| Business | Phone |
| Mad Science 2337 Boulevard Cir, Walnut Creek 94595 | (925) 941-1500 |
| E U Booking Agency 361 Montecillo Dr, Walnut Creek 94595 | (415) 383-8486 |
| Entertainment Unlimited Walnut Creek 94595 | (415) 383-8486 |
| Clean Comedy Co 2363 Boulevard Cir # 106, Walnut Creek 94595 | (925) 943-6252 |