| American Signal Company (AMSIG) - http://www.amsig.com/ Manufacturer of stationary and portable electronic changeable message signs and sign systems. |
| Component Products - http://www.componentproducts.com/ Manufacturer of traffic signal poles, shrouds, polycarbonate framework, and more. |
| Dou Long Co., Ltd. - http://www.doulong.ebigchina.com/ Manufactures traffic safety and solar products, including thermoplastic paint, road reflective markers, mirrors, traffic lights, and more. |
| Friedrichs Custom Mfg., Inc. - http://www.barricades.net/ Manufactures barricades and barriers for crowd and traffic control. Products include bike rack, police-style, steel, plastic, and portable fencing. |
| Industrial Traffic Solutions - http://www.lanecontrols.com/ Designs and manufactures a wide variety of LED traffic signals and traffic control systems for industrial applications. |
| Inline Barricades and Metal Products - http://www.inlinebarricades.com/ Designs and manufactures barricades and barriers for crowd and vehicle control including police-style, steel, plastic, and portable barricades. |
| JAMAR Technologies - http://www.jamartech.com/ Manufactures traffic counters, traffic analysis software, distance measuring instruments, and more. |
| JBC Safety - http://www.jbcsafety.com/ Supplies traffic cones, barricade boards, pavement markers, and more. |
| Megaplastic (Hong Kong) Co., Ltd. - http://www.megaplastic.com.hk/ Plastic moulding manufacturer specializing in highway safety products, including barriers and railings. |
| Micrologic Systems Inc. - - http://www.micrologic-systems.com/ Designs and manufactures products for the transportation and utility industries, including: computerized toll and fare collection systems, and vehicle tracking systems. |
| Plastic Safety Systems, Inc. - http://www.plasticsafety.com/ Manufacturers of traffic safety devices including channelizers, delineators, and reflective fencing. |
| Polara Engineering - http://www.polara.com/ Manufacturer of accessible pedestrian signals and push buttons for the blind and disabled. |
| Precision Solar Controls, Inc. - http://www.precisionsolarcontrols.com/ Manufacturers of traffic monitors, signal lamps, and solar powered changeable message signs. |
| Prismo Ltd. - http://www.prismo.co.uk/ Manufactures thermoplastic road marking and manages private contracts for road maintenance. |
| Quixote Corporation - http://www.quixotecorp.com/ Manufacturer of highway crash cushions, wireless measuring and sensing devices, computerized highway advisory radio, and other transportation safety products and services. |
| Semex - http://www.semex.com.mx/ Manufactures traffic lights and controllers, reflective pavement markers, flourescent cones, and other traffic safety devices. |
| SolarTech - http://www.solartech-online.com/ |
| Traffic and Parking Control Co., Inc (TAPCO) - http://www.tapconet.com/ Signs & supplies, signmakers, diecuts, hardware traffic control products, pavement marking and more. |
| Traffic Control Products Co., Inc. - http://www.tcpofms.com/ Features road and construction signs and other traffic safety and control products. |
| Ver-Mac - http://www.ver-mac.com/ Producer of traffic control products such as portable changeable message signs, arrowboards, radar trailers, and temporary traffic lights. |