| Business | Phone |
| Acalanes High School 1200 Pleasant Hill Rd, Lafayette 94549 | (925) 935-2600 |
| David Babcock & Assoc 3581 Mt Diablo Blvd # 235, Lafayette 94549 | (925) 283-5070 |
| Dewell & Assoc Architects Po Box 7009 Pmb 328, Lafayette 94549 | (925) 299-0139 |
| E G Craig Inc 3738 Mt Diablo Blvd # 310, Lafayette 94549 | (925) 284-1345 |
| Jensen Ptaszynski Architects 3449 Mt Diablo Blvd # A, Lafayette 94549 | (925) 284-4398 |
| Kent-Gilman Architects 3397 Mt Diablo Blvd # D, Lafayette 94549 | (925) 283-5840 |
| T Goodwin Assoc 3466 Mount Diablo Blvd, Lafayette 94549 | (925) 330-7423 |
| Ward-Young Architecture 3435 Mt Diablo Blvd # 200, Lafayette 94549 | (925) 283-3278 |
| Aau-Architectural Arts Unltd 786 Solana Dr, Lafayette 94549 | (925) 284-7333 |
| Elbert Associates 3620 Mt Diablo Blvd, Lafayette 94549 | (925) 299-0111 |
| Erik Helgestad 1042 Brown Ave, Lafayette 94549 | (925) 962-1679 |
| Hemingway-Stock Inc 939 Reliez Station Rd, Lafayette 94549 | (925) 944-4745 |
| James E Kissinger Architects 1588 Rancho View Rd, Lafayette 94549 | (925) 930-0398 |
| P Steven Perls 3378 Springhill Rd, Lafayette 94549 | (925) 283-4533 |
| John Ploss Lafayette 94549 | (925) 299-1980 |
| R Bruce Ballentine Architect 1109 N Thompson Rd, Lafayette 94549 | (925) 284-2423 |
| Scott Sullivan Lafayette 94549 | (925) 962-2555 |
| Thorn Architects 1200 Upper Happy Valley Rd, Lafayette 94549 | (925) 283-4949 |
| Woodside Building & Design 3420 Mt Diablo Blvd, Lafayette 94549 | (925) 284-1400 |
| Conrad Yates 3820 Quail Ridge Rd, Lafayette 94549 | (925) 284-2787 |