| Business | Phone |
| A Designer-Draftsman-R Bolduc 1522 Yardley St, Santa Rosa 95403 | (707) 568-5840 |
| Abl Engineering 1275 4th St # 221, Santa Rosa 95404 | (707) 578-4410 |
| Christopher's Designs 1668 Scarlet Pl, Santa Rosa 95403 | (707) 576-8145 |
| Cowan & Assoc Designers 2833 Dowd Dr # B, Santa Rosa 95407 | (707) 546-1967 |
| L J Enterprises 2032 Magowan Dr # A, Santa Rosa 95405 | (707) 576-0309 |
| Pacific Coast Cad 3911 Mayette Ave, Santa Rosa 95405 | (707) 887-8183 |
| S Group 3261 Meadow Glen Dr, Santa Rosa 95404 | (707) 544-9361 |
| Timberview Santa Rosa 95403 | (707) 573-5823 |
| West Design Group Santa Rosa 95404 | (707) 546-5059 |