| Business | Phone |
| Diablo Valley Masonic Lodge Pittsburg 94565 | (925) 432-8190 |
| Elks Lodge 460 E 10th St, Pittsburg 94565 | (925) 439-7743 |
| Elks Lodge 51 Marina Blvd # C, Pittsburg 94565 | (925) 432-6905 |
| L J Williams Masonic Ldge F 26 Dolphin Dr, Pittsburg 94565 | (925) 427-7799 |
| Masonic Lodge 185 School St, Pittsburg 94565 | (925) 427-1625 |
| Phi Beta Sigma Fraternity Inc Pittsburg 94565 | (925) 473-5026 |