What Truck-Lite makes

Truck-Lite Co., LLC is a manufacturer of advanced LED lighting and wiring systems for commercial trucks, buses, and trailers, and it describes itself as the worldwide leader in that category. The product line runs from LED stop/turn/tail lamps, marker and clearance lights, and reflectors to full LED headlamp systems, work and auxiliary lights, mirrors, and reverse lighting. Alongside the lamps, Truck-Lite builds wiring harnesses and complete harness systems, the electrical backbone that connects a trailer's lights, and it sells vehicle accessories, alarms, and switches. The company also supplies lighting to the military and defense market.

Innovation is the through-line of the company's own history. Truck-Lite says it created the first sealed marker light in 1955, solving the industry problem of short trailer-light life, then followed with the first sealed stop/turn/tail light, the world's first independent ground wiring system, and the world's first sealed wiring harness system. Later firsts it claims include the world's first LED stop/turn/tail lamp, the first white LED license, dome, and back-up lights, the world's first DOT-compliant 7-inch round LED headlight, and the first custom-designed LED headlight for Class 8 trucks. The company reports more than 250 patents. Truck-Lite serves commercial trucking, trailers, vocational fleets, final-mile delivery, and waste and recycling operators, and it sells both to vehicle makers as original equipment and into the aftermarket as a Tier 1 safety-lighting supplier.

Ownership and history

Truck-Lite began with founder George Baldwin, who designed the first sealed marker light and, by the company's account, ran quality control at his kitchen sink. That first light was a commercial success and grew into an international company with more than 1,000 employees. Over the decades Truck-Lite expanded by acquisition, buying Signal-Stat Lighting Products, FER in Eisenach, Germany, Rubbolite in Harlow, UK, Davco in Saline, Michigan, and Rigid Industries in Phoenix, Arizona, moves that took it into European manufacturing, mirrors, processors, and off-road LED lighting.

The company is now a wholly owned subsidiary of Clarience Technologies. Genstar Capital acquired Truck-Lite in 2019, and the broader platform was later rebranded Clarience Technologies, which today groups more than two dozen transportation-safety brands including RIGID, Road Ready, Davco, ECCO, Code 3, and, after a February 2024 acquisition, Safe Fleet. Leonard Green & Partners completed its acquisition of Clarience Technologies on September 18, 2025, placing Truck-Lite inside a major private-equity-backed safety-technology group. Truck-Lite is headquartered in Erie, Pennsylvania, at 5340 Fryling Rd.

Manufacturing and locations

Truck-Lite runs manufacturing across the United States, the United Kingdom, and Mexico. In Pennsylvania it operates three plants: McElhattan at about 145,000 square feet, Wellsboro at about 98,600 square feet, and Coudersport at about 70,000 square feet. Its European operation in Harlow, Essex, is the largest single site at roughly 172,000 square feet, and its Mexican operation in Cuautlancingo, Puebla, adds about 60,000 square feet. That footprint gives the company production on both sides of the Atlantic and a nearshoring option in Mexico for North American programs, which matters to buyers weighing lead times and tariff exposure across regions.

Certifications and quality

Truck-Lite states that it holds IATF 16949 certification, the automotive quality-management standard focused on preventing production and supply-chain problems, and ISO 14001 for environmental management. The company also markets UL-listed products, meaning UL has tested representative samples against its safety standards. Truck-Lite links to its certificate documents on its site but does not publish certificate dates on the page, so the certifications are reported here as current claims. The company describes landfill-reduction and waste-reduction programs as part of the same environmental commitment.

Known customers

Truck-Lite sells to a broad base of commercial-vehicle makers and fleets, most of them unnamed, as is normal for a safety-lighting supplier. Two OEM relationships are on the public record through the company's own product announcements:

Sourcing evidence

Truck-Lite's US import record reads exactly like a lighting manufacturer's: 3,963 sea shipments on record since January 2015, running through September 21, 2026, at an average of about 31 TEU per month. The goods are vehicle lighting and signaling equipment, mirrors, and plastic lens and housing components rather than finished vehicles. Bills of lading name a supply base concentrated in China and Taiwan. The most active suppliers on record:

By HS chapter, the mix leads with lighting and visual-signaling equipment for vehicles (HTS 8512.20), followed by vehicle parts such as housings, heat sinks, and light pipes, rear-view mirrors, and plastic lens components. That is the tooling-and-components profile of a company that assembles and finishes lighting in the US, UK, and Mexico rather than a reseller importing finished lamps.

Coverage caveats: these are US ocean-freight records only. Air, truck, and rail movements do not appear, some records name freight intermediaries rather than manufacturers, and product categories come from declared manifest codes, which are noisy. Absence of a record is not evidence of absence.

Frequently asked questions

What does Truck-Lite manufacture?

Truck-Lite manufactures advanced LED lighting and wiring systems for commercial trucks, buses, and trailers: stop/turn/tail lamps, marker and clearance lights, LED headlamps, work lights, reflectors, mirrors, and complete wiring harnesses, plus vehicle accessories. It also supplies lighting to the military and defense market and reports more than 250 patents.

Who owns Truck-Lite?

Truck-Lite is a wholly owned subsidiary of Clarience Technologies. Genstar Capital acquired Truck-Lite in 2019 and the platform was later rebranded Clarience Technologies. Leonard Green & Partners completed its acquisition of Clarience Technologies on September 18, 2025.

Where is Truck-Lite headquartered?

Truck-Lite is headquartered in Erie, Pennsylvania, at 5340 Fryling Rd. It operates additional manufacturing plants in McElhattan, Wellsboro, and Coudersport, Pennsylvania, in Harlow, Essex, in the United Kingdom, and in Cuautlancingo, Puebla, Mexico.

How many employees does Truck-Lite have?

Truck-Lite reports more than 1,000 employees. The company operates six facilities across the United States, the United Kingdom, and Mexico and describes itself as an international company.

What certifications does Truck-Lite hold?

Truck-Lite states that it holds IATF 16949 certification for automotive quality management and ISO 14001 for environmental management, and it markets UL-listed products. Certificate documents are linked on the company's site; certificate dates are not published on the page.

Who are Truck-Lite's customers?

Most of Truck-Lite's customers are unnamed, as is normal for a safety-lighting supplier. Documented OEM programs include LED headlamps for the Freightliner M2 and the Thomas Built C2, both released to the aftermarket in 2026, and customs records reference Mack in lamp-housing descriptions. The company serves commercial trucking, trailer, vocational, final-mile, waste, and defense customers.

Last verified September 28, 2026. Is this your company? Request a correction.