| Business | Phone |
| Loaves & Fishes-Contra Costa 3813 Shopping Heights Ln, Pittsburg 94565 | (925) 837-8758 |
| Off-Campus Opportunity Program 809 Black Diamond St, Pittsburg 94565 | (925) 473-4486 |
| Roll Technology West 900 Loveridge Rd, Pittsburg 94565 | (925) 432-4507 |
| C Sexton Enterprises 1689 Kingsly Dr, Pittsburg 94565 | (925) 432-2686 |
| Creative Innovations 2230 Concord Dr, Pittsburg 94565 | (925) 513-9144 |
| Delta Strapping Pittsburg 94565 | (925) 439-3213 |
| Dulceria Arco Iris 409 E 10th St, Pittsburg 94565 | (925) 427-7139 |
| Elmira's Accessories 155 Atlantic Ave, Pittsburg 94565 | (925) 252-0339 |
| Farmers' Markets Contra Costa Pittsburg 94565 | (925) 431-8361 |
| Grand Allbright 2201 Harbor St, Pittsburg 94565 | (925) 753-0561 |
| Kings Kleaning Pittsburg 94565 | (925) 439-4244 |
| Pori International Inc Loveridge Rd, Pittsburg 94565 | (925) 439-3021 |
| Premium Ventures 3800 Briarcliff Dr, Pittsburg 94565 | (925) 252-9675 |
| Protecahome 529 Garcia Ave, Pittsburg 94565 | (925) 427-4226 |
| Sheedy Drayage Co 750 E 3rd St, Pittsburg 94565 | (415) 559-8042 |