| Trademark name | Trademark owner |
| 3M | 3M Company, St. Paul, MN 55144 |
| AASHTO | American Association of State Highway and Transportation Officials, Suite 225, 444 N. Capitol St., NW, Washington, DC 20001 |
| Autoscope | Image Sensing Systems, St. Paul, MN 55104 |
| Autoscope Solo | Image Sensing Systems, St. Paul, MN 55104 |
| Autovue | Iteris, Inc., Anaheim, CA 92802 |
| Detector Systems | Intersection Development Corporation, Stanton, CA 90680 |
| Eagle Signal | Gulf & Western Industries, Inc. New York, NY 10023 |
| Econolite | Econolite Control Products, Inc., Anaheim, CA 92806 |
| Groundhog | Nu-Metrics, Uniontown, PA 15401 |
| Iteris | Iteris, Inc., Anaheim, CA, 92802 |
| Motorola | Motorola, Inc., Schaumburg, IL 60196 |
| NEMA | National Electrical Manufacturers Association, Rosslyn, VA 22209 |
| Nestor Traffic Systems | Nestor Traffic Systems, Inc., Providence, RI 02906 |
| Nu-Metrics | Nu-Metrics, Uniontown, PA 15401 |
| Orincon | Lockheed Martin Orincon Defense Corporation, San Diego, CA 92037 |
| Peek | Peek Traffic, Inc., Sarasota, FL 34236 |
| Reno A&E | Reno A&E, Reno, NV 89502 |
| RTMS | EIS Electronic Integrated Systems Inc., North York, ON, Canada M6A 1Z5 |
| Safetran | Safetran Systems Corporation, Minneapolis, MN 55421 |
| SCATS | Roads & Traffic Authority of New South Wales, Sydney, NSW 2000, Australia |
| Smartsensor | Wavetronix LLC, Lindon, UT 84042 |
| SmarTek Systems | SmarTek Systems, Inc. Woodbridge, VA 22193 |
| Sumitomo | Sumitomo Heavy Industries, Ltd., Tokyo, Japan |
| Traficon | Traficon N.V., Bissegem Belgium B-8501 |
| Vantage | Iteris, Inc., Anaheim, CA, 92802 |
| VideoTrak | Peek Traffic, Chicago, IL 60601 |
| Whelen | Whelen Engineering, Chester, CT 06412-0684 |
