| A B C Cedar Homes Inc | 707-938-0755 | 201 Meadowlark Ln | Sonoma | CA | 95476 |
| Affordable Pre-Built Quality Homes | 707-459-0869 | 16730 N Highway 101 | Willits | CA | 95490 |
| Alamillo Steel | 707-745-6964 | 325 W Channel Rd | Benicia | CA | 94510 |
| All Fab | 707-459-1648 | 1435 Baechtel Rd | Willits | CA | 95490 |
| Amulet Manufacturing Co | 707-444-9686 | 5640 W End Rd | Arcata | CA | 95521 |
| Amulet Manufacturing Co | 707-822-2282 | 5640 W End Rd | Arcata | CA | 95521 |
| B & B Industrial Supply | 707-822-7633 | 5208 Boyd Rd | Arcata | CA | 95521 |
| Bailey John C Custom Homes | 707-964-5371 | 236 Perkins Way | Fort Bragg | CA | 95437 |
| Barndts Welding | 707-585-3114 | 3657 Moorland Ave | Santa Rosa | CA | 95407 |
| Barnett Welders | 707-263-4082 | 375 Armstrong St | Lakeport | CA | 95453 |
| Baughn Cameron Manufactured Home Sales | 707-462-5000 | 2450 N State St | Ukiah | CA | 95482 |
| Baughn Cameron Manufactured Home Sales | 707-994-9494 | 9245 Highway 53 | Lower Lake | CA | 95457 |
| Bay Tank & Boiler Works | 707-443-0934 | 825 2-14th | Eureka | CA | 95502 |
| Beauchamps Welding | 707-763-6581 | 360 Corona Rd | Petaluma | CA | 94954 |
| Beevers Welding & Steel Supply | 707-253-8864 | 1098 Jordan Ln | Napa | CA | 94559 |
| Browders Welding | 707-528-9523 | 2801 Stony Point Rd | Santa Rosa | CA | 95407 |
| Cal Cedar Homes Inc | 707-829-1511 | 2160 Green Hill Rd | Sebastopol | CA | 95472 |
| California Yurts Inc | 707-468-0876 | PO Box 18 | Talmage | CA | 95481 |
| Carls Welding & Repair Service | 707-252-7875 | 539 California Blvd | Napa | CA | 94559 |
| Carni Welding | 707-459-9523 | 30 E San Francisco Ave | Willits | CA | 95490 |
| Cedar Homes By Bonari | 707-586-0133 | 6640 Redwood Dr | Rohnert Park | CA | 94928 |
| Celeris Welding & Fabrication | 707-575-9329 | 5236 Aero Dr | Santa Rosa | CA | 95403 |
| Continental Flange | 707-468-0156 | 360 Orr Springs Rd | Ukiah | CA | 95482 |
| Custom Stove Works | 707-442-2800 | 2169 Broadway St | Eureka | CA | 95501 |
| Dommen Detail-Service | 707-838-9323 | 8931 Starr Rd | Windsor | CA | 95492 |
| Double C Steel Construction | 707-795-3627 | 7181 Gravenstein Hwy | Cotati | CA | 94931 |
| Endeavor Homes-Santa Rosa | 707-546-7783 | 2111 Hillside Dr | Santa Rosa | CA | 95404 |
| Eureka Boiler Works | 707-443-1681 | 11 T St | Eureka | CA | 95501 |
| Flying Iron Fabrication | 707-525-9081 | 6066 Sebastopol Ave | Sebastopol | CA | 95472 |
| General Metal Fabricators | 707-822-2455 | 2905 Saint Louis Rd | Arcata | CA | 95521 |
| Hmh Fabrication | 707-224-5272 | 6405 Napa-Vallejo Hwy | Napa | CA | 94581 |
| Homecrafters Building Systems | 707-996-1923 | 608 Fano Ln | Sonoma | CA | 95476 |
| Jedd-Co Steel Inc | 707-838-4328 | 10001 Old Redwood Hwy | Windsor | CA | 95492 |
| Kauth Bros Inc | 707-545-5915 | 1054 N Dutton Ave | Santa Rosa | CA | 95401 |
| Lakeview Metal Construction | 707-263-3224 | PO Box 117 | Nice | CA | 95464 |
| Lindal Cedar Homes | 707-964-4909 | 221 N Main St | Fort Bragg | CA | 95437 |
| Lindal Cedar Homes Vaca Valley Custom Homes | 707-446-2483 | 3890 Joslin Ln | Vacaville | CA | 95688 |
| Lux Metals Inc | 707-546-1821 | 90 Ridgeway Ave | Santa Rosa | CA | 95401 |
| Modern Manufactured Homes | 707-994-9292 | Highway 29 & Clayton Creek Rd | Lower Lake | CA | 95457 |
| Morris Welding & Steel Fabrication | 707-965-2451 | 5426 Chiles Pope Valley Rd | Saint Helena | CA | 94574 |
| Norbay Ironcraft | 707-765-9353 | 425-1st Pet | Petaluma | CA | 94955 |
| Nor-Cal Structural Steel | 707-576-0943 | 3186 Coffey Ln | Santa Rosa | CA | 95403 |
| Ogletrees Welding & Metal Fabrication | 707-963-3537 | 935 Vintage Ave | Saint Helena | CA | 94574 |
| Pacific Builders | 707-822-7720 | 550 S G St | Arcata | CA | 95521 |
| Pacific Home Building Systems | 707-895-3448 | PO Box 680 | Boonville | CA | 95415 |
| Pre-Built Home Systems | 707-433-4883 | 314 Center St | Healdsburg | CA | 95448 |
| Pulver Race Fab | 707-725-0348 | 139 S Fortuna Blvd | Fortuna | CA | 95540 |
| Qed Industries | 707-745-5741 | 923 Teal Dr | Benicia | CA | 94510 |
| R & S Manufacturing | 707-894-3955 | 28333 Sandholm Ln | Cloverdale | CA | 95425 |
| Reliable Mill Supply Co Inc | 707-462-1458 | 1550 Millview Rd | Ukiah | CA | 95482 |
| S & S Mobile Home Sales | 707-839-1578 | 1000 Murray Rd | Mckinleyville | CA | 95519 |
| Santa Rosa Welding | 707-542-4188 | 260 Roberts Ave | Santa Rosa | CA | 95407 |
| Sebastopol Welding Works | 707-823-2416 | 6066 Sebastopol Ave | Sebastopol | CA | 95472 |
| Shoemaker & Sons Welding | 707-792-9925 | 5730 Old Redwood Hwy | Petaluma | CA | 94952 |
| Solid Cedar Structures | 707-996-5951 | 295-5th Street West | Sonoma | CA | 95476 |
| Steel Construction Services | 707-257-8418 | 1841 Soscol Ave | Napa | CA | 94559 |
| Steinke Machinery Works | 707-829-5741 | 9100 Green Valley Rd | Sebastopol | CA | 95472 |
| Superior Erections | 707-644-0900 | 507greenislandrd | American Canyon | CA | 94589 |
| Uebner & Byerrum Blksmth Shop | 707-643-6359 | 205 Broadway St | Vallejo | CA | 94590 |
| Unciano Brothers Construction & Development Co | 707-433-7332 | PO Box 396 | Healdsburg | CA | 95448 |
| Walts Custom Services | 707-546-4416 | 400 Yolanda Ave | Santa Rosa | CA | 95404 |
| Waynes Welding & Fabrication | 707-464-5718 | 1155 Douglas | Crescent City | CA | 95531 |
| Wilkinson Steel Co | 707-585-0877 | 300 W Robles Ave | Santa Rosa | CA | 95407 |
| Woodys Weld-All | 707-964-6820 | 1230 N Main St | Fort Bragg | CA | 95437 |
