| A M Penoncello Heating | A M Penoncello Heating | — | (831) 229 2813 | HVAC | Salinas · Monterey County | — | — |
| A R Gutters & Sheet Metal INC | Alvaro Reyes | — | (831) 582 9029 | HVAC | Marina · Monterey County | — | — |
| A Ramirez Heating And Plumbing | A Ramirez Heating And Plumbing | — | (831) 899 1554 | HVAC | Seaside · Monterey County | — | — |
| A S T Sheet Metal And Gutters | Arthur Shane Tooker | — | (831) 601 0948 | HVAC | Seaside · Monterey County | — | — |
| A Strouse & Son Glass INC | Russell Guy Strouse | — | (831) 394 2622 | Windows, patio, painters | Seaside · Monterey County | — | — |
| A To Z Maintenance | A To Z Maintenance | — | (831) 594 4459 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| A&a Roofing | Gomez Federico Zarate | — | (831) 869 9189 | Other roofers | Seaside · Monterey County | — | — |
| A&j Electrical Services INC | Jose Luis Reyes | info@ajelectricalservices.com | (831) 677 8825 | Electricians | King City · Monterey County | — | — |
| A-1 Home Repair & Construction Company | Anthony Eugene Feliciano | — | (831) 521 1671 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| A-g Construction Co | Oscar Guido Alcala | — | (619) 432 5084 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| A. G. Davi Property Management | A. G. Davi Property Management | — | (831) 373-2222 | Property managers | Monterey · Monterey County | — | — |
| Aa Lopez Construction | Alfonso Lopez-Castillo | — | (831) 253 6188 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Aaron Overhead Doors | Aaron Overhead Doors | — | (678) 960-3360 | Other | Monterey · Monterey County | — | — |
| Aaron's Plumbing | Aaron's Plumbing | — | (831) 999 0909 | Other | Marina · Monterey County | — | — |
| Aasen Construction | Aasen Allan | — | (831) 236 7763 | Electricians | Pacific Grove · Monterey County | — | — |
| Ab Painting | Ab Painting | a.borg@ab-painting.com | (831) 588 7292 | Windows, patio, painters | Aromas · Monterey County | — | — |
| Abbott Construction & Plumbing | Alvin Francis Abbott | — | (831) 758 2223 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Abe's Remodeling INC | Humberto Guzman | — | (831) 262 4310 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Abel Paul Silva DBA West Coast Landscaping | West Coast Landscaping | — | (831) 760 0483 | Windows, patio, painters | Monterey · Monterey County | — | — |
| Abel's Concrete INC | Daniel Salazar | — | (831) 320 5012 | Other | Prunedale · Monterey County | — | — |
| AC Roofing Co | Castorena Adriana | info@acroofing.com | (561) 333-3235 | Other roofers | Salinas · Monterey County | — | — |
| Acanthus Paint Design | Acanthus Paint Design | — | (831) 595 2819 | Windows, patio, painters | Monterey · Monterey County | — | — |
| Accent Clean & Sweep INC | Michael Sean Haughey | — | (831) 783 0303 | Other | Salinas · Monterey County | — | — |
| Ace Construction Company | Tony T| Tarigo Anthony John Ace | — | (831) 663 6309 | Windows, patio, painters | Prunedale · Monterey County | — | — |
| Ace Plastering | Ace Plastering | — | (831) 596 4290 | Other | Salinas · Monterey County | — | — |
| Acme Awning LLC | Aaron Stephen Dani Clore | — | (831) 424 7134 | Other | Salinas · Monterey County | — | — |
| Acme Plumbing | Ed Manuel Mendoza | — | (831) 422 2311 | Other | Salinas · Monterey County | — | — |
| Acosta Builders | Acosta Builders | luis@acosta-builders.com | (401) 688-6533 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Acoustic Air | Jacob Lee Dobbs | — | (831) 597 3711 | HVAC | Salinas · Monterey County | — | — |
| Active Connectivity Low Voltage Solutions | Adrian Sebastian Fernandez | — | (408) 518 1691 | Other | Salinas · Monterey County | — | — |
| Adams Electric | William Adam Ii Andrzejewski | — | (831) 233 0119 | Electricians | Pacific Grove · Monterey County | — | — |
| Adan Quiroz Cernas | Adan Quiroz Cernas | — | (831) 760 2232 | Windows, patio, painters | Seaside · Monterey County | — | — |
| Adan's Landscaping | Adan's Landscaping | adan@adanslandscaping.com | (831) 424 4625 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Adl Engineering LLC | Adiel Garcia | — | (831) 783 7296 | Other | Salinas · Monterey County | — | — |
| Adney Tree Service Incorporated | Kyle Jacob Adney | — | (831) 247 4713 | GC, remodel, ADU | Aromas · Monterey County | — | — |
| Adt Plumbing INC | Acosta Fermin Herrera | — | (831) 258 4160 | Other | Salinas · Monterey County | — | — |
| Adu HVAC Monterey Park | Adu HVAC Monterey Park | — | (626) 244-2036 | HVAC | Monterey Park · Monterey County | — | — |
| Advance Design Construction | William Dewar Brown | — | (831) 884 4706 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Advance Painting | Advance Painting | — | (831) 224 6691 | Windows, patio, painters | Greenfield · Monterey County | — | — |
| Advanced Air INC | David William Tucker | — | (831) 384 1988 | HVAC | Marina · Monterey County | — | — |