| 2nd Generation Fencing | 2nd Generation Fencing | — | (209) 923 3080 | Other | Valley Springs · Calaveras County | — | — |
| 49er Rooter And Drain Service INC | Michael Anthony Pizzano | — | (831) 818 0519 | Other | Copperopolis · Calaveras County | — | — |
| A L Guy Jordan Co | Arnold Lee Jordan | — | (209) 663 5536 | Other | Altaville · Calaveras County | — | — |
| Abbey Water Well Service INC | Steven Lyle Watson | — | (209) 887 2990 | Other | Valley Springs · Calaveras County | — | — |
| Adam's Asphalt | Adam's Asphalt | — | (209) 540 7496 | Other | Murphys · Calaveras County | — | — |
| Advanced Contracted Engineering | Advanced Contracted Engineering | — | (209) 256 7726 | Other | Valley Springs · Calaveras County | — | — |
| Afford-a-door INC | John Ross Spero | — | (209) 327 8585 | Other | Valley Springs · Calaveras County | — | — |
| Affordable Overhead Door Co | Gary Lee Price | — | (209) 556 8334 | Other | Valley Springs · Calaveras County | — | — |
| All American Cabinet & Fixture Co | Scatena Robert | — | (209) 327 5974 | Other | Valley Springs · Calaveras County | — | — |
| Alpine Tile And Stoneworks | Alpine Tile And Stoneworks | — | (209) 728 3100 | Other | Murphys · Calaveras County | — | — |
| Amador Engineering | Brady Paul Davis | — | (209) 969 7860 | Other | Valley Springs · Calaveras County | — | — |
| American Wood Scapes | American Wood Scapes | — | (505) 659 7468 | Other | Valley Springs · Calaveras County | — | — |
| Amtuca Overhead Garage Doors | Amtuca Overhead Garage Doors | — | (209) 268 6347 | Other | San Andreas · Calaveras County | — | — |
| Angels Sewer & Drain INC | Jeff Ray Johnson | — | (209) 736 0763 | Other | Angels Camp · Calaveras County | — | — |
| Anisko's Plumbing Corp | Zachary Thomas Anisko | — | (209) 770 6404 | Other | Altaville · Calaveras County | — | — |
| Anrey Plumbing Co | Mike Anthony Waldon | — | (209) 743 9571 | Other | Murphys · Calaveras County | — | — |
| Asap Asphalt Sealing & Patching INC | Benjamin Hermann Klorer | — | (209) 770 8937 | Other | San Andreas · Calaveras County | — | — |
| Austin's Concrete & Asphalt Cutting | Austin's Concrete & Asphalt Cutting | — | (209) 551 0200 | Other | Copperopolis · Calaveras County | — | — |
| B & B Kitchen Cabinets | Galen John Zimmerman | — | (209) 785 3764 | Other | San Andreas · Calaveras County | — | — |
| B West Treepro LLC | Bryan Daniel West | — | (209) 273 9794 | Other | Rail Road Flat · Calaveras County | — | — |
| Bartel | Michael Alfred Ziegenfuss | — | (209) 728 2660 | Other | Murphys · Calaveras County | — | — |
| Bartlett Jay Hanford | Bartlett Jay Hanford | — | (209) 415 7757 | Other | San Andreas · Calaveras County | — | — |
| Bay Area Drilling & Associates INC | Mark Frank Lucido | — | (925) 584 1141 | Other | Arnold · Calaveras County | — | — |
| Bay Grab Bar LLC | William Paul Essert | bill@baygrabbar.com | (510) 714 0800 | Other | Altaville · Calaveras County | — | — |
| Bedrock Excavating INC | Douglas Lee Dubois | — | (209) 293 3184 | Other | West Point · Calaveras County | — | — |
| Ben Saul | Ben Saul | — | (209) 840 2139 | Other | Avery · Calaveras County | — | — |
| Best Septic | Best Septic | — | (650) 888 7769 | Other | Murphys · Calaveras County | — | — |
| Better Floor Systems | Better Floor Systems | — | (925) 639 1007 | Other | Wallace · Calaveras County | — | — |
| Beyond The Barn | Raleen Dona Kountz | — | (209) 200 3970 | Other | Valley Springs · Calaveras County | — | — |
| Big Bear Drywall | Thomas Keith Stevens | — | (209) 728 1511 | Other | Murphys · Calaveras County | — | — |
| Bledsoe Plumbing | Bledsoe Plumbing | — | (209) 286 9848 | Other | Camp Connell · Calaveras County | — | — |
| Blue Dot Plumbing | Blue Dot Plumbing | — | (209) 840 8281 | Other | Arnold · Calaveras County | — | — |
| Briski Well Drilling Co | Carole Louise Briski | — | (209) 754 3394 | Other | San Andreas · Calaveras County | — | — |
| Brockett Plumbing | Brockett Plumbing | — | (209) 728 3210 | Other | Hathaway Pines · Calaveras County | — | — |
| Burton Tile & Marble | Burton Tile & Marble | — | (209) 770 0683 | Other | Vallecito · Calaveras County | — | — |
| C Lee Tree Service | Clayton Robert Lee | — | (209) 418 3328 | Other | West Point · Calaveras County | — | — |
| C Yorks Plumbing Co | Chad Paul Yorks | — | (209) 539 0551 | Other | Arnold · Calaveras County | — | — |
| Calaveras Concrete Pumping INC | Gregory Michael Mc Daniel | — | (209) 559 4918 | Other | San Andreas · Calaveras County | — | — |
| Calaveras Telephone Company | John Francis Tower | — | (209) 785 2211 | Other | Copperopolis · Calaveras County | — | — |
| California Forestry Alliance | Timothy Robert Steph Matthews | tim@californiaforestryalliance.com | (209) 686 5678 | Other | Mountain Ranch · Calaveras County | — | — |