| 3 D Plumbing | John Keith David | — | (209) 304 4911 | Other | Sutter Creek · Amador County | — | — |
| 7 Bar 7 Fence | 7 Bar 7 Fence | — | (916) 479 6371 | Other | Jackson · Amador County | — | — |
| A C Sealant | A C Sealant | — | (209) 296 4531 | Other | Pine Grove · Amador County | — | — |
| Absolutely Floored | Absolutely Floored | interested@domainmarket.com | (209) 304 2506 | Other | Jackson · Amador County | — | — |
| Accents In Tile And Stone | Accents In Tile And Stone | — | (925) 998 5017 | Other | Jackson · Amador County | — | — |
| Access Sewer | Access Sewer | — | (916) 605 8643 | Other | Pine Grove · Amador County | — | — |
| Advanced Hardscapes Concrete INC | Eugenio Ivan Uribe | — | (916) 802 2333 | Other | Ione · Amador County | — | — |
| Agustin Custom Cabinetry | Agustin Custom Cabinetry | — | (209) 304 1701 | Other | Jackson · Amador County | — | — |
| All American Welding | All American Welding | — | (209) 295 6208 | Other | Pioneer · Amador County | — | — |
| All Locks And Doors | Marko Modi Jermy | — | (925) 918 7568 | Other | Fiddletown · Amador County | — | — |
| Allcom Telecom INC | Tom Henry Steahnke | — | (916) 990 4456 | Other | Plymouth · Amador County | — | — |
| Aloha Septic & Excavation | Fredric Eugene Waters | — | (209) 768 0368 | Other | Plymouth · Amador County | — | — |
| Amador Fence Company | Jesse Andrew Dorris | — | (209) 304 4577 | Other | Jackson · Amador County | — | — |
| Amador Mechanical INC | Anthony William Vicini | — | (209) 245 3850 | Other | Plymouth · Amador County | — | — |
| Amador Plumbing | Amador Plumbing | — | (209) 223 2204 | Other | Sutter Creek · Amador County | — | — |
| Amador Roots Tree Service And Property Maintenance LLC | Ernest Joseph Hernandez | — | (925) 413 0976 | Other | Jackson · Amador County | — | — |
| Armstrong & Son Construction INC | Nicole Christine Armstrong | — | (209) 223 1851 | Other | Jackson · Amador County | — | — |
| Arnulfo Almaraz | Arnulfo Almaraz | — | (209) 273 9131 | Other | Jackson · Amador County | — | — |
| Asphalt Sealcoat Service | Robert Lawrence Andrae | andraesasphalt@gmail.com | (209) 223 2906 | Other | Pine Grove · Amador County | — | — |
| Brown Woodworks | Brown Woodworks | — | (209) 247 5429 | Other | Pine Grove · Amador County | — | — |
| Burgess Paving And Excavating | Burgess Paving And Excavating | — | (209) 295 7969 | Other | Pioneer · Amador County | — | — |
| Campbell Construction General Engineering INC | Jeff Allen Campbell | — | (209) 267 5998 | Other | Sutter Creek · Amador County | — | — |
| Canyon Country Woodworks | Canyon Country Woodworks | — | (916) 257 0463 | Other | Pine Grove · Amador County | — | — |
| Capitol Celtic Drywall | Capitol Celtic Drywall | — | (916) 606 3567 | Other | Pine Grove · Amador County | — | — |
| Casey Vinciguerra Construction | Casey Raymond Vinciguerra | — | (209) 304 5319 | Other | Sutter Creek · Amador County | — | — |
| Cazadd Construction | Jason Robert Cazadd | — | (209) 217 4252 | Other | Jackson · Amador County | — | — |
| Christopher L Parkey | Christopher L Parkey | — | (209) 223 2255 | Other | Pioneer · Amador County | — | — |
| Crystal Clean | Crystal Clean | awesomeservice@crystalclean.com | (209) 662 0278 | Other | Jackson · Amador County | — | — |
| Cut Above Forest Management | Cut Above Forest Management | — | (209) 304 7507 | Other | Volcano · Amador County | — | — |
| D Fence Man | D Fence Man | — | (209) 274 4520 | Other | Ione · Amador County | — | — |
| D Tile Source | D Tile Source | — | (209) 790 9673 | Other | Ione · Amador County | — | — |
| Dal Porto Excavating | Dal Porto Excavating | — | (916) 531 5345 | Other | Plymouth · Amador County | — | — |
| Donald White | Donald White | — | (209) 304 5488 | Other | Pine Grove · Amador County | — | — |
| Donovan Hardwood Floor Co | Kevin Patrick Donovan | — | (415) 518 8032 | Other | Sutter Creek · Amador County | — | — |
| Door Craft | Door Craft | — | (209) 274 4221 | Other | Ione · Amador County | — | — |
| Dr Tile | Dr Tile | — | (408) 828 3594 | Other | Pioneer · Amador County | — | — |
| Duff Co | James Lee Duff | — | (916) 698 2227 | Other | Ione · Amador County | — | — |
| E J F Contract | E J F Contract | — | (408) 426 0662 | Other | Ione · Amador County | — | — |
| Elite Engineering | Courtney Ann Wilson | — | (209) 304 2703 | Other | Plymouth · Amador County | — | — |
| Facelift Stucco Exteriors | Facelift Stucco Exteriors | — | (916) 496 1834 | Other | Plymouth · Amador County | — | — |