American Signal Company (AMSIG) Manufacturer of stationary and portable electronic changeable message signs and sign systems. http://www.amsig.com/

Component Products Manufacturer of traffic signal poles, shrouds, polycarbonate framework, and more. http://www.componentproducts.com/

Dong-A Precision Industrial Co. Ltd. Manufactures road safety equipment including delineators, road markers, and guide posts. http://www.roadsafety.co.kr/

Friedrichs Custom Mfg., Inc. Manufactures barricades and barriers for crowd and traffic control. Products include bike rack, police-style, steel, plastic, and portable fencing. http://www.barricades.net/

Industrial Traffic Solutions Designs and manufactures a wide variety of LED traffic signals and traffic control systems for industrial applications. http://www.lanecontrols.com/

Inline Barricades and Metal Products Designs and manufactures barricades and barriers for crowd and vehicle control including police-style, steel, plastic, and portable barricades. http://www.inlinebarricades.com/

JAMAR Technologies Manufactures traffic counters, traffic analysis software, distance measuring instruments, and more. http://www.jamartech.com/

JBC Safety Supplies traffic cones, barricade boards, pavement markers, and more. http://www.jbcsafety.com/

Megaplastic (Hong Kong) Co., Ltd. Plastic moulding manufacturer specializing in highway safety products, including barriers and railings. http://www.megaplastic.com.hk/

Micrologic Systems Inc. - Designs and manufactures products for the transportation and utility industries, including: computerized toll and fare collection systems, and vehicle tracking systems. http://www.micrologic-systems.com/

Plastic Safety Systems, Inc. Manufacturers of traffic safety devices including channelizers, delineators, and reflective fencing. http://www.plasticsafety.com/

Polara Engineering Manufacturer of accessible pedestrian signals and push buttons for the blind and disabled. http://www.polara.com/

Precision Solar Controls, Inc. Manufacturers of traffic monitors, signal lamps, and solar powered changeable message signs. http://www.precisionsolarcontrols.com/

Prismo Ltd. Manufactures thermoplastic road marking and manages private contracts for road maintenance. http://www.prismo.co.uk/

Quixote Corporation Manufacturer of highway crash cushions, wireless measuring and sensing devices, computerized highway advisory radio, and other transportation safety products and services. http://www.quixotecorp.com/

RoadVision Technologies - Manufactures Highway Beacon, the snowplowable raised reflective pavement marker. http://www.highwaybeacon.com/

Semex Manufactures traffic lights and controllers, reflective pavement markers, flourescent cones, and other traffic safety devices. http://www.semex.com.mx/

SolarTech Solar powered traffic control equipment. http://www.solartech-online.com/

Traffic and Parking Control Co., Inc (TAPCO) Signs & supplies, signmakers, diecuts, hardware traffic control products, pavement marking and more. http://www.tapconet.com/

Traffic Control Products Co., Inc. Features road and construction signs and other traffic safety and control products. http://www.tcpofms.com/