| Business | Phone |
| City Park 1911 Telegraph Ave, Oakland 94612 | (510) 444-7662 |
| International Parking Design 7700 Edgewater Dr # 635, Oakland 94621 | (510) 553-2120 |
| K T Analytics Inc 885 Rosemount Rd, Oakland 94610 | (510) 839-7702 |
| Gis-Trans Ltd 1330 Broadway, Oakland 94612 | (510) 663-0884 |