| # | Company name | Role | # of Projects |
|---|---|---|---|
| 1 | 344 West 45th Street Corporation | parking management | 0 |
| 2 | AAA Parking | parking management | 1 |
| 3 | Alig and Associates | parking management | 1 |
| 4 | Allied Parking, Inc. | parking management | 10 |
| 5 | Allright Miami Inc | parking management | 1 |
| 6 | Allright Parking | parking management | 2 |
| 7 | Ampco System Parking | parking management | 7 |
| 8 | APCOA Autoparking GmbH | parking management | 3 |
| 9 | APCOA Autoparking GmbH | parking management | 0 |
| 10 | APCOA, Inc. | parking management | 1 |
| 11 | Apex Skypark, Inc. | parking management | 0 |
| 12 | B + B Parkhaus GmbH & Co KG | parking management | 2 |
| 13 | Birmingham Parking Authority | parking management | 6 |
| 14 | Carpark A/S | parking management | 2 |
| 15 | Central Parking Corporation | parking management | 49 |
| 16 | Central Parking System Deutschland GmbH | parking management | 0 |
| 17 | Cintra | parking management | 5 |
| 18 | City-Parking GmbH | parking management | 1 |
| 19 | Compañia Concesionaria del Parking del Hospital de Cruces S.A. | parking management | 1 |
| 20 | CPS COLOGNE Parkhaus-Service Parkhaus-Betriebs- und Verwaltungsgesellschaft mbH | parking management | 1 |