| Fort Worth Transportation Authority | DO | Active | |
| Santa Clara Valley Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| New Orleans Regional Transit Authority | DO | Active | |
| Santa Clara Valley Transportation Authority | DO | Active | |
| Orange County Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Fort Worth Transportation Authority | DO | Active | |
| Metropolitan Tulsa Transit Authority | DO | Active | |
| Capital Metropolitan Transportation Authority | PT | Active | |
| Kansas City Area Transportation Authority | DO | Active | |
| Topeka Metropolitan Transit Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Stark Area Regional Transit Authority | DO | Active | |
| Central Ohio Transit Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Pace, the Suburban Bus Division of the Regional Transportation Authority | PT | Active | |
| Metropolitan Transit Authority of Harris County, Texas | DO | Active | |
| Corpus Christi Regional Transportation Authority | DO | Active | |
| Bi-State Development Agency of the Missouri-Illinois Metropolitan District | DO | Active | |
| Riverside Transit Agency | DO | Active | |
| Antelope Valley Transit Authority | PT | Active | |
| Regional Public Transportation Authority | PT | Active | |
| Los Angeles County Metropolitan Transportation Authority | PT | Active | |
| Western Contra Costa Transit Authority | PT | Active | |
| Stark Area Regional Transit Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Pace, the Suburban Bus Division of the Regional Transportation Authority | PT | Active | |
| Metropolitan Tulsa Transit Authority | DO | Active | |
| Corpus Christi Regional Transportation Authority | DO | Active | |
| Regional Metropolitan Transit Authority of Omaha | DO | Active | |
| Orange County Transportation Authority | PT | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Southwest Ohio Regional Transit Authority | DO | Active | |
| The Greater Cleveland Regional Transit Authority | DO | Active | |
| The Greater Cleveland Regional Transit Authority | DO | Active | |
| Central Ohio Transit Authority | DO | Active | |
| Western Reserve Transit Authority | DO | Active | |
| Duluth Transit Authority | DO | Active | |
| Capital Area Transportation Authority | DO | Active | |
| Ann Arbor Area Transportation Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Pace, the Suburban Bus Division of the Regional Transportation Authority | DO | Active | |
| Pace, the Suburban Bus Division of the Regional Transportation Authority | PT | Active | |
| Fort Worth Transportation Authority | DO | Active | |
| Metropolitan Transit Authority of Harris County, Texas | DO | Active | |
| Metropolitan Transit Authority of Harris County, Texas | PT | Active | |
| Metropolitan Transit Authority of Harris County, Texas | TX | Active | |
| Metropolitan Transit Authority of Harris County, Texas | DO | Active | |
| Metropolitan Transit Authority of Harris County, Texas | PT | Active | |
| Central Oklahoma Transportation and Parking Authority | DO | Active | |
| Central Oklahoma Transportation and Parking Authority | DO | Active | |
| Metropolitan Tulsa Transit Authority | DO | Active | |
| New Orleans Regional Transit Authority | DO | Active | |
| Capital Metropolitan Transportation Authority | PT | Active | |
| Capital Metropolitan Transportation Authority | PT | Active | |
| Corpus Christi Regional Transportation Authority | DO | Active | |
| Regional Metropolitan Transit Authority of Omaha | DO | Active | |
| Kansas City Area Transportation Authority | DO | Active | |
| Kansas City Area Transportation Authority | DO | Active | |
| Bi-State Development Agency of the Missouri-Illinois Metropolitan District | PT | Active | |
| Bi-State Development Agency of the Missouri-Illinois Metropolitan District | DO | Active | |
| Bi-State Development Agency of the Missouri-Illinois Metropolitan District | DO | Active | |
| Des Moines Area Regional Transit Authority | DO | Active | |
| Topeka Metropolitan Transit Authority | DO | Active | |
| Topeka Metropolitan Transit Authority | DO | Active | |
| Utah Transit Authority | DO | Active | |
| Utah Transit Authority | DO | Active | |
| Santa Clara Valley Transportation Authority | DO | Active | |
| Santa Clara Valley Transportation Authority | DO | Active | |
| Santa Clara Valley Transportation Authority | DO | Active | |
| Riverside Transit Agency | DO | Active | |
| Riverside Transit Agency | DO | Active | |
| Riverside Transit Agency | PT | Active | |
| Orange County Transportation Authority | DO | Active | |
| Orange County Transportation Authority | DO | Active | |
| SunLine Transit Agency | DO | Active | |
| Antelope Valley Transit Authority | PT | Active | |
| Regional Public Transportation Authority | PT | Active | |
| Livermore / Amador Valley Transit Authority | PT | Active | |
| Los Angeles County Metropolitan Transportation Authority | PT | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Kings County Area Public Transit Agency | PT | Active | |
| Valley Metro Rail, Inc. | PT | Active | |
| Valley Metro Rail, Inc. | PT | Active | |
| Chicago Transit Authority | DO | Active | |
| Central Ohio Transit Authority | PT | Active | |
| Pace, the Suburban Bus Division of the Regional Transportation Authority | DO | Active | |
| Metropolitan Transit Authority of Harris County, Texas | DO | Active | |
| Central Oklahoma Transportation and Parking Authority | DO | Active | |
| Corpus Christi Regional Transportation Authority | PT | Active | |
| Orange County Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Santa Clara Valley Transportation Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Fort Worth Transportation Authority | PT | Active | |
| Chicago Transit Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| New Orleans Regional Transit Authority | DO | Active | |
| Utah Transit Authority | DO | Active | |
| Regional Public Transportation Authority | PT | Active | |
| Santa Clara Valley Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| The Greater Cleveland Regional Transit Authority | DO | Active | |
| The Greater Cleveland Regional Transit Authority | DO | Active | |
| The Greater Cleveland Regional Transit Authority | DO | Active | |
| Central Ohio Transit Authority | PT | Active | |
| Central Ohio Transit Authority | DO | Active | |
| Western Reserve Transit Authority | DO | Active | |
| Central County Transportation Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |
| Fort Worth Transportation Authority | PT | Active | |
| Metropolitan Transit Authority of Harris County, Texas | PT | Active | |
| Metropolitan Transit Authority of Harris County, Texas | DO | Active | |
| New Orleans Regional Transit Authority | DO | Active | |
| New Orleans Regional Transit Authority | DO | Active | |
| Capital Metropolitan Transportation Authority | PT | Active | |
| Capital Metropolitan Transportation Authority | PT | Active | |
| Texoma Area Paratransit System, Inc | PT | Active | |
| Bi-State Development Agency of the Missouri-Illinois Metropolitan District | DO | Active | |
| Des Moines Area Regional Transit Authority | DO | Active | |
| Topeka Metropolitan Transit Authority | DO | Active | |
| Utah Transit Authority | DO | Active | |
| Utah Transit Authority | DO | Active | |
| Santa Clara Valley Transportation Authority | DO | Active | |
| Antelope Valley Transit Authority | PT | Active | |
| Regional Public Transportation Authority | PT | Active | |
| Regional Public Transportation Authority | PT | Active | |
| Los Angeles County Metropolitan Transportation Authority | DO | Active | |
| Los Angeles County Metropolitan Transportation Authority | PT | Active | |
| Transit Joint Powers Authority for Merced County | PT | Active | |
| Greater Dayton Regional Transit Authority | DO | Active | |
| Chicago Transit Authority | DO | Active | |