Knoxville, Tennessee skyline at night featuring the Sunsphere and downtown city lights representing Commercial Lighting Supply, established in 1996, serving contractors, businesses, and facilities nationwide.

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Commercial Lighting Supply headquarters in Knoxville, Tennessee illuminated at night showcasing commercial indoor and outdoor lighting expertise.

COMMERCIAL LIGHTING SUPPLY

Commercial Lighting for Every Commercial Space

Lighting fixtures, LED lamps, electrical products, and project solutions from trusted commercial manufacturers. Built for contractors, facility managers, schools, warehouses, offices, municipalities, healthcare, retail, and industrial facilities.

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Why Commercial Lighting Supply

Commercial Lighting Supply offers specification-grade lighting and electrical products for commercial, industrial, and professional applications from trusted manufacturers including RAB Lighting, TCP, Keystone, SATCO, Halco, and other industry-leading brands. Our catalog is designed to help contractors, electricians, engineers, architects, facility managers, maintenance professionals, property owners, and homeowners quickly find dependable lighting solutions for new construction, renovation, retrofit, maintenance, and replacement projects.

Whether you're sourcing LED area lights, high bay lights, panel lights, troffer lights, exit signs, emergency lighting, LED light bulbs, lighting controls, drivers, sensors, or replacement lamps, our goal is to provide a streamlined shopping experience backed by detailed technical specifications, competitive pricing, and access to specification-grade products for virtually every commercial lighting application. From office buildings, warehouses, manufacturing facilities, schools, healthcare campuses, retail stores, hospitality properties, parking lots, and municipal facilities to residential projects, Commercial Lighting Supply makes it easier to compare products, evaluate performance, and specify dependable lighting solutions with confidence—because the true value of a commercial lighting system is measured by the safety, efficiency, reliability, and long-term performance it delivers long after installation is complete.

See What Sets Us Apart

Commercial Indoor LED Lighting Designed for Productivity, Comfort, and Building Performance

Every commercial facility is built around the people who work, learn, manufacture, heal, shop, or gather inside it. Lighting plays a direct role in that experience by improving productivity, enhancing visual comfort, supporting occupant safety, reducing energy consumption, and lowering long-term operating costs. From office buildings and educational campuses to warehouses, manufacturing facilities, healthcare environments, retail stores, hospitality properties, and municipal buildings, every interior environment has unique operational requirements that demand a carefully planned commercial lighting strategy rather than a one-size-fits-all solution.

Lighting Solutions Built Around the Way Commercial Buildings Operate

Commercial Lighting Supply organizes commercial indoor lighting by application so lighting professionals can quickly identify solutions designed for the way facilities actually operate. Whether you're planning a new construction project, upgrading to commercial LED lighting, replacing aging fluorescent fixtures, modernizing an existing building, or completing a large-scale LED retrofit, every lighting decision influences occupant comfort, workplace productivity, maintenance planning, energy efficiency, and the total cost of operating a facility. A warehouse requires high-output illumination that supports productivity and forklift safety, while offices, classrooms, and healthcare environments depend on balanced lighting that promotes visual comfort and helps people perform at their best throughout the day.

Our commercial indoor lighting collection includes architectural linear lights that define modern commercial interiors, high bay lights engineered for warehouses and industrial facilities, panel lights and troffer lights that deliver uniform illumination throughout offices, classrooms, and healthcare environments, recessed lighting for clean architectural ceilings, strip lights and wraparound lights for utility and service areas, vapor tight lights for demanding environments, and temporary lights that keep construction and renovation projects safely illuminated. Additional solutions—including cylinder lights, disk lights, flush mount lights, stairwell lights, step lights, track lighting, undercabinet lighting, vanity lights, tape lighting, and retrofit kits—allow lighting professionals to specify complete commercial LED lighting systems from a single, dependable source.

The most effective commercial lighting systems are often the ones occupants never notice because they simply provide the visual comfort, reliability, and performance people depend on throughout the workday.

Engineering Commercial LED Lighting for Long-Term Performance

Selecting commercial LED fixtures involves far more than matching a fixture to a ceiling plan. Light distribution, lumen output, color temperature, color rendering, wattage, controls, dimming compatibility, mounting methods, environmental conditions, and future maintenance requirements all influence how a lighting system performs throughout its lifecycle. Detailed technical specifications make it easier to evaluate lighting strategies, compare fixture performance, and specify solutions that meet the demands of each application. The result is commercial indoor LED lighting that improves visual performance, simplifies facility operations, reduces maintenance, lowers operating costs, and delivers dependable performance for years to come.

Exterior Commercial LED Lighting That Protects People, Property, and Business Operations

The exterior of a commercial property creates the first impression for customers, employees, tenants, and visitors, but it also serves as the first line of defense for safety, security, and day-to-day operations. Effective commercial outdoor lighting improves visibility for pedestrians and drivers, discourages unauthorized activity, reduces liability, protects valuable assets, and helps businesses maintain safe, welcoming environments long after the sun goes down. From office campuses and distribution centers to retail centers, healthcare facilities, educational institutions, apartment communities, warehouses, hospitality properties, and municipal infrastructure, every exterior environment has unique operational requirements that demand a commercial LED lighting strategy built around performance, reliability, and long-term value.

Outdoor Lighting Solutions Designed Around Real-World Applications

Commercial Lighting Supply organizes commercial outdoor lighting by application so lighting professionals can quickly identify solutions engineered for the way commercial properties actually operate. Parking lots require uniform illumination that improves visibility for both drivers and pedestrians while enhancing security. Building perimeters benefit from commercial LED fixtures that discourage unauthorized access, loading docks depend on dependable task lighting that supports safe deliveries, and campuses, roadways, and public spaces require durable lighting systems capable of performing through changing weather conditions with minimal maintenance.

Our commercial outdoor lighting collection includes area lights for parking lots and large open spaces, wall pack lights that strengthen perimeter security, flood lights for broad-area illumination, canopy lights for parking garages and covered entrances, roadway lights for streets and municipal infrastructure, bollard lights for pathways and landscape applications, outdoor security lights, landscape lighting, outdoor pendant lights, outdoor post lights, outdoor wall sconces, garage lights, outdoor step lights, vaporproof lighting, outdoor tape lighting, and commercial light poles designed to support complete exterior lighting systems across virtually every commercial property.

Unlike interior lighting, exterior lighting must deliver dependable performance every night, in every season, and under constantly changing environmental conditions.

Engineered for Performance in Demanding Environments

Successful exterior lighting design extends well beyond fixture placement. Light distribution, mounting height, lumen output, color temperature, optical performance, environmental exposure, wind and weather conditions, lighting controls, photocells, maintenance planning, and long-term operating costs all influence how an exterior lighting system performs throughout its lifecycle. Detailed technical specifications make it easier to compare fixture performance, evaluate lighting strategies, and specify solutions that improve safety, simplify facility operations, reduce maintenance, lower total cost of ownership, and deliver dependable performance year after year.

Commercial Exit & Emergency Lighting That Protects Occupants and Supports Life Safety Compliance

During a power outage or emergency, commercial exit and emergency lighting becomes one of the most critical life safety systems within a building. Properly illuminated exit paths, emergency egress lighting, and dependable backup power help occupants evacuate safely while allowing first responders to navigate unfamiliar environments when every second matters. From office buildings, schools, hospitals, warehouses, manufacturing facilities, hotels, apartment communities, retail centers, and municipal buildings to virtually every occupied commercial facility, dependable commercial exit and emergency lighting is essential for protecting occupants, maintaining business continuity, and supporting compliance with applicable building, fire, and life safety codes.

Life Safety Solutions Designed for Real-World Commercial Facilities

Commercial Lighting Supply organizes commercial exit and emergency lighting around the way facilities are designed, occupied, and maintained. Highly visible commercial exit signs provide continuous directional guidance throughout occupied spaces, while exit and emergency combo units combine illuminated signage with integrated emergency lighting to maximize coverage and simplify installation. Emergency lights deliver dependable illumination along corridors, stairwells, exits, and open areas during utility power failures, remote heads extend emergency lighting coverage where additional illumination is required, and emergency battery backups help compatible commercial LED fixtures continue operating when normal power is interrupted. Together, these life safety products help facilities remain prepared for unexpected emergencies while simplifying routine inspections and ongoing maintenance.

Emergency lighting is one of the few building systems that occupants hope never to rely on, yet its performance becomes critical the moment normal power is lost.

Designed for Reliability When It Matters Most

Selecting commercial exit and emergency lighting extends well beyond choosing a fixture that meets minimum code requirements. Occupancy type, emergency run time, battery technology, self-testing capabilities, mounting locations, environmental conditions, and long-term maintenance all influence the effectiveness of a life safety system. Detailed technical specifications make it easier to compare emergency lighting solutions, evaluate performance requirements, and specify dependable products that protect occupants, simplify inspections, support code compliance, and provide reliable emergency illumination when it matters most.

Commercial LED Lighting Retrofits That Reduce Operating Costs and Extend Fixture Life

Replacing outdated lamps is one of the fastest and most cost-effective ways to improve the performance of an existing commercial lighting system. Modern commercial LED lighting delivers higher energy efficiency, longer service life, improved light quality, and significantly lower maintenance requirements than fluorescent, HID, halogen, and incandescent technologies. Whether upgrading an office, warehouse, manufacturing facility, healthcare campus, educational institution, retail store, hospitality property, restaurant, or municipal building, commercial LED light bulbs provide a practical retrofit solution that improves building performance while reducing long-term operating costs.

Commercial LED Light Bulbs Designed for Every Retrofit Application

Every retrofit project presents unique lighting challenges depending on the existing fixtures, operating environment, and performance goals. Commercial Lighting Supply organizes commercial LED light bulbs by lamp family, making it easier for lighting professionals to identify compatible replacement solutions. Our collection includes A-Shape LED bulbs for everyday commercial lighting, BR LED bulbs for recessed applications, PAR LED bulbs for spot and flood lighting, MR LED bulbs for precision illumination, globe LED bulbs for decorative and vanity fixtures, LED chandelier bulbs and LED Edison bulbs for architectural spaces, LED CFL replacement bulbs for compact fluorescent retrofits, LED HID replacement bulbs for high-output commercial and industrial applications, and LED tubes engineered to modernize fluorescent lighting systems without sacrificing performance. Upgrading to LED technology not only improves energy efficiency but also reduces maintenance interruptions, extends service intervals, and helps facilities operate more efficiently with fewer lamp replacements.

The most successful LED retrofits balance energy savings with lighting quality, system compatibility, and dependable long-term performance rather than focusing on wattage reduction alone.

Modernizing Commercial Lighting Systems for Long-Term Value

Selecting the right commercial LED replacement involves much more than matching a lamp shape or base. Wattage, lumen output, color temperature, beam angle, color rendering, voltage compatibility, dimming performance, operating environment, expected service life, and maintenance planning all influence the long-term success of a retrofit. Detailed technical specifications make it easier to compare lamp performance, evaluate compatibility, and develop commercial LED lighting strategies that improve visual comfort, reduce maintenance, lower total cost of ownership, and maximize the lifecycle of existing lighting systems. The result is a smarter investment that delivers dependable illumination, improved energy efficiency, and measurable value for years to come.

Commercial Electrical Supplies That Power Intelligent LED Lighting Systems

Behind every high-performing commercial lighting installation is an electrical system that delivers reliable power, intelligent control, and long-term operational efficiency. While commercial LED fixtures provide illumination, the electrical components behind them determine how efficiently a lighting system operates, how much energy it consumes, how easily it can be maintained, and how well it adapts to the changing needs of a facility. Whether supporting new construction, tenant improvements, commercial LED lighting retrofits, or ongoing facility maintenance, dependable commercial electrical supplies are essential to maximizing building performance and protecting your investment.

Electrical Components Designed for Modern Commercial Facilities

Every commercial facility has unique operational requirements, which is why Commercial Lighting Supply organizes commercial electrical supplies around the way lighting systems are designed, installed, and maintained. LED drivers provide stable, dependable power for commercial LED fixtures, while advanced lighting controls improve system flexibility, automate energy management, and simplify facility operations. Occupancy sensors reduce unnecessary energy consumption in unoccupied spaces, daylight sensors automatically adjust lighting levels in response to available natural light, photocells automate exterior lighting from dusk to dawn, dimmers provide precise illumination control, and mounting kits simplify the installation of compatible commercial lighting systems. Together, these components help improve energy efficiency, simplify maintenance, and create lighting systems that are easier to manage throughout the life of a facility.

Well-designed lighting controls do more than reduce energy consumption—they give facilities greater flexibility, improve day-to-day operation, and help buildings adapt as occupancy and operational needs change.

Building Smarter, More Efficient Commercial Lighting Systems

Selecting commercial electrical supplies involves far more than matching voltage or choosing compatible hardware. Control protocols, dimming compatibility, driver performance, environmental conditions, installation requirements, maintenance planning, and long-term operating costs all influence how a commercial lighting system performs throughout its lifecycle. Detailed technical specifications make it easier to compare products, evaluate compatibility, and develop electrical systems that maximize energy efficiency, improve building performance, simplify maintenance, reduce total cost of ownership, and deliver dependable operation for years to come.

Trusted Commercial Lighting Manufacturers That Professionals Specify with Confidence

The performance of a commercial lighting system is determined long before a fixture is installed. It begins with the manufacturer responsible for its engineering, product testing, optical performance, electrical design, warranty support, and long-term reliability. Lighting professionals depend on manufacturers that consistently deliver specification-grade commercial LED lighting solutions capable of performing in demanding commercial, industrial, institutional, and municipal environments. Choosing the right manufacturer helps reduce maintenance, improve lifecycle performance, simplify future replacements, and protect the long-term value of every lighting investment.

Commercial Lighting Manufacturers Built on Innovation and Reliability

Commercial Lighting Supply partners with manufacturers that have earned their reputation by solving real-world commercial lighting challenges. RAB Lighting is recognized throughout the industry for innovative commercial LED fixtures, exterior lighting, lighting controls, and life safety products engineered for dependable performance. TCP Lighting continues to advance commercial LED lighting with energy-efficient fixtures, LED light bulbs, and retrofit solutions that help improve energy efficiency while reducing operating costs. Light Efficient Design specializes in high-performance commercial LED retrofit lamps that modernize existing lighting systems without the expense of complete fixture replacement. Together, these trusted manufacturers provide dependable solutions for offices, warehouses, schools, healthcare facilities, hospitality properties, retail environments, manufacturing plants, municipal infrastructure, and countless other commercial applications.

Proven manufacturers help reduce uncertainty throughout specification, installation, maintenance, and future product replacement by delivering consistent performance across every stage of a project's lifecycle.

Specification-Grade Solutions Backed by Industry-Leading Brands

Selecting a commercial lighting manufacturer involves far more than comparing product specifications. Engineering expertise, product consistency, regulatory compliance, optical performance, energy efficiency, product availability, lifecycle support, and long-term reliability all contribute to the success of a commercial lighting project. Commercial Lighting Supply carefully selects every manufacturer for its commitment to innovation, quality, and dependable performance, giving lighting professionals access to commercial LED fixtures and lighting systems they can specify with confidence for projects where long-term reliability and performance matter most.

Commercial Lighting Solutions Designed Around Real-World Applications

Every commercial environment presents unique operational challenges, safety requirements, and performance expectations. The lighting system that delivers exceptional results in a warehouse would be completely different from one designed for a classroom, healthcare facility, restaurant, or office building. Occupant comfort, productivity, visibility, security, maintenance, energy efficiency, and regulatory requirements all influence how a commercial lighting system should be designed. Rather than taking a one-size-fits-all approach, Commercial Lighting Supply organizes commercial lighting solutions by application to help lighting professionals identify products engineered for the way each facility is built, operated, and maintained.

Lighting Strategies Built Around the Way Commercial Facilities Operate

Every commercial facility serves a unique purpose, and its lighting system should support that mission. Warehouse lighting delivers high-output illumination that improves productivity, order accuracy, and workplace safety throughout distribution and storage facilities. Office lighting creates comfortable work environments that reduce eye strain and support employee performance, while classroom lighting promotes concentration and visual comfort for students and educators. Healthcare lighting prioritizes reliability, patient comfort, and accurate visual tasks, retail lighting enhances merchandise presentation, restaurant lighting helps shape the dining experience, hospitality lighting creates welcoming guest environments, manufacturing lighting supports demanding industrial operations, municipal lighting serves public buildings and infrastructure, and parking lot, parking garage, and building perimeter lighting improve visibility, safety, and security for both pedestrians and vehicles.

The most effective commercial lighting systems are designed around the way people use a facility rather than simply the fixtures installed within it.

Helping Professionals Specify Lighting with Confidence

Selecting lighting by application simplifies the specification process by focusing on how a facility functions rather than simply where a fixture is installed. Each application collection combines specification-grade commercial LED fixtures with detailed technical information that makes it easier to compare performance characteristics, evaluate lighting strategies, and identify solutions tailored to the demands of each environment. Whether planning a new construction project, completing a commercial LED lighting retrofit, or maintaining an existing facility, Commercial Lighting Supply helps lighting professionals specify dependable lighting systems that improve operational efficiency, enhance occupant comfort, simplify maintenance, and deliver reliable long-term performance.

Why Commercial Lighting Professionals Choose Commercial Lighting Supply

Since 1996, Commercial Lighting Supply has helped contractors, electricians, engineers, architects, facility managers, maintenance professionals, business owners, and property managers source dependable commercial lighting solutions for projects of every size. Our goal has always been to simplify the specification process by providing access to trusted commercial lighting manufacturers, detailed technical information, and a carefully organized catalog that makes it easier to identify the right solution for every commercial application. Whether you're maintaining an existing facility, completing a commercial LED lighting retrofit, or managing a new construction project, we're committed to helping you make informed lighting decisions with confidence.

Built Around the Needs of Commercial Lighting Professionals

Every product, collection, and resource on Commercial Lighting Supply is organized around the way lighting professionals research, compare, and specify products. From commercial indoor and outdoor lighting to exit and emergency lighting, commercial LED light bulbs, electrical supplies, trusted manufacturers, and application-specific lighting solutions, our catalog is designed to reduce the time spent searching while improving confidence throughout the purchasing process. Detailed product specifications, technical attributes, manufacturer information, and organized collections make it easier to compare solutions and select products that meet the performance requirements of virtually any commercial environment.

Commercial lighting is more than specifying products—it's about designing dependable environments that support the people who use them every day. The right lighting improves productivity, enhances safety, reduces maintenance, lowers operating costs, and helps commercial facilities perform at their best for years to come.

Your Partner for Commercial Lighting Projects

Whether you're replacing a single LED lamp, specifying fixtures for a new construction project, modernizing an aging lighting system, or managing multiple commercial facilities, Commercial Lighting Supply provides the specification-grade products, technical resources, and trusted manufacturers lighting professionals rely on to complete successful projects with confidence. We're committed to helping you specify commercial lighting systems that deliver dependable performance, long-term value, and lasting reliability—because the true value of a commercial lighting system isn't measured on installation day, but by the safety, efficiency, and performance it continues delivering for years to come.

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Shop Commercial Lighting by Department

Commercial Indoor Lighting
Indoor Lighting

Commercial Indoor Lighting

Commercial Outdoor Lighting
Outdoor Lighting

Commercial Outdoor Lighting

Commercial Exit & Emergency Lighting
Exit & Emergency Lighting

Commercial Exit & Emergency Lighting

Commercial Electrical Supplies
Electrical

Commercial Electrical Supplies

Commercial LED Light Bulbs
LED Light Bulbs

Commercial LED Light Bulbs

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Modern commercial lobby featuring recessed downlights, linear lighting, decorative pendants, and architectural interior lighting.

Commercial Indoor Lighting

Lighting solutions for offices, warehouses, schools, healthcare facilities, retail spaces, and more.

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Commercial building exterior illuminated with LED area lights, bollards, landscape lighting, and architectural wall lighting at dusk.

Commercial Outdoor Lighting

Reliable lighting solutions for parking lots, building exteriors, walkways, roadways, and security applications.

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Modern commercial corridor featuring illuminated exit signs, emergency lighting, and code-compliant life safety lighting systems.

Commercial Exit & Emergency Lighting

Code-compliant life safety lighting for commercial, industrial, educational, and healthcare facilities.

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Commercial ceiling infrastructure showing LED drivers, occupancy sensors, lighting controls, electrical wiring, and linear lighting fixtures.

Commercial Electrical Supplies

Drivers, sensors, emergency backups, controls, and accessories for commercial lighting systems.

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Commercial warehouse illuminated with LED linear tube lighting for energy-efficient retrofit and replacement lamp applications.

Commercial LED Light Bulbs

Energy-efficient LED replacements for commercial and industrial applications.

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Shop Commercial Lighting by Application

Building Perimeter Lighting
Building Perimeter Lighting

Building Perimeter Lighting

Classroom Lighting
Classroom Lighting

Classroom Lighting

Gymnasium Lighting
Gymnasium Lighting

Gymnasium Lighting

Healthcare Lighting
Healthcare Lighting

Healthcare Lighting

Hospitality Lighting
Hospitality Lighting

Hospitality Lighting

Manufacturing Lighting
Manufacturing Lighting

Manufacturing Lighting

Municipal Lighting
Municipal Lighting

Municipal Lighting

Office Lighting
Office Lighting

Office Lighting

Parking Garage Lighting
Parking Garage Lighting

Parking Garage Lighting

Parking Lot Lighting
Parking Lot Lighting

Parking Lot Lighting

Restaurant Lighting
Restaurant Lighting

Restaurant Lighting

Retail Lighting
Retail Lighting

Retail Lighting

Warehouse Lighting
Warehouse Lighting

Warehouse Lighting

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RAB Lighting
RAB Lighting
TCP Lighting
TCP Lighting
Light Efficient Design
Light Efficient Design

About Commercial Lighting Supply

Commercial Lighting Supply has been serving the greater Knoxville, Tennessee area since 1996, helping customers find reliable lighting solutions for commercial, industrial, and residential projects. With decades of experience, our team understands that the right lighting is not just about brightness—it is about performance, efficiency, safety, and choosing the right product for the application.

Today, Commercial Lighting Supply offers a growing online catalog of indoor lighting, outdoor lighting, LED lamps, exit and emergency lighting, controls, drivers, and electrical products from trusted manufacturers. Whether you are sourcing products for a business, facility, job site, or home, our goal is to make quality lighting easier to find, compare, and purchase.

Visit Our Knoxville Location

Commercial Lighting Supply

Commercial Lighting Supply proudly serves contractors, facility managers, electricians, businesses, and property owners nationwide from our Knoxville, Tennessee headquarters.

Visit our sales counter, speak directly with our commercial lighting specialists, or contact our team for expert assistance with product selection, replacements, specifications, and project requirements.

Address:
1485 Amherst Road
Knoxville, TN 37909

Phone:
(865) 558-0080

Email:
sales@commercialltg.com

Store Hours

Monday – Friday: 7:30 AM – 4:30 PM
Saturday: Closed
Sunday: Closed

Serving Customers Nationwide Since 1996
Commercial Lighting Specialists
Knoxville Headquarters & Sales Counter