| Business | Phone |
| Bruce Aspinall & Assoc 703 2nd St # 200, Santa Rosa 95404 | (707) 526-1111 |
| Evans Co Land Use Planning 703 2nd St # 200, Santa Rosa 95404 | (707) 576-7800 |
| Fisher & Hall Urban Design 618 4th St, Santa Rosa 95404 | (707) 544-1910 |
| James Hummer & Assoc Inc 703 2nd St # 200, Santa Rosa 95404 | (707) 526-1888 |
| Jean Kapolchok & Assoc 144 S E St, Santa Rosa 95404 | (707) 526-8939 |
| Olmsted & Assoc 444 10th St # 4, Santa Rosa 95401 | (707) 579-6270 |
| David Wolterint 4739 Sullivan Way, Santa Rosa 95409 | (707) 539-8025 |