| AZCO Supply | Northern California & Northern Nevada | azcosupply.com |
| Control Technologies | District of Columbia, Florida, Virginia, Maryland, North Carolina, & South Carolina | cttraffic.com |
| Econolite | Idaho, Montana, Hawaii, & Alaska | econolite.com |
| Gades | Colorado, Kansas, New Mexico, Oklahoma, Utah, & Wyoming | gadestraffic.com |
| Intelligent Traffic Supply | New Jersey | its-products.com |
| Iteris | Colorado, Kansas, New Mexico, Oklahoma, Utah, & Wyoming | iteris.com |
| JIKA | Puerto Rico & Caribbean | |
| JTB Supply Co | Southern California, Southern Nevada, & Arizona | jtbsupplyco.com |
| Marbelite | New York | marbsignal.com |
| New England Traffic Solutions | Connecticut, New Hampshire, Massachusetts, Maine, Vermont, New York, & Rhode Island | newenglandtrafficsolutions.com |
| Shah & Associates | Guam & Hawaii | shahandassociateshi.com |
| Siemens | Michigan | new.siemens.com |
| Signal Equipment Co. – South | Mississippi, Louisiana, & Arkansas | secosouth.net |
| Signal Service | Delaware & Pennsylvania | signalservice.com |
| Southern Lighting & Traffic Systems | Alabama, Georgia, Mississippi, & Tennessee | southernltg.com |
| Swarco – McCain, Inc. | Oregon, Washington, Idaho, & Montana | mccain-inc.com |
| Tiger Traffic | Texas | tigertraffic.net |
| Traffic Control Corporation | Illinois, Indiana, Iowa, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, & Wisconsin | trafficcontrolcorp.com |
| Traffic Control Products | Ohio, Kentucky, & West Virginia | traffcon.com |
