| 'top'pers Painting & Decorating | 'top'pers Painting & Decorating | — | (831) 601 6767 | Windows, patio, painters | Seaside · Monterey County | — | — |
| 1 Struct | 1 Struct | info@struct.com | (831) 975 9248 | Electricians | Salinas · Monterey County | — | — |
| 1-800 Plumber + Air Of Monterey | David Charles De Cato | — | (831) 277 7258 | HVAC | Seaside · Monterey County | — | — |
| 101 Terra General Engineering | 101 Terra General Engineering | — | (831) 682 5519 | Tree | Seaside · Monterey County | — | — |
| 1999 Roofing LLC | Hernandez-escalera Fernando | — | (831) 325 7097 | Other roofers | Salinas · Monterey County | — | — |
| 3 R Electric | Reynold Robby Ramirez | — | (831) 229 0760 | Electricians | Prunedale · Monterey County | — | — |
| 3B Investors INC | Jiri Kocian | — | (831) 444 5348 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| 3md Floors | Mauricio Agustin Ayala | — | (831) 444 1488 | Other | Salinas · Monterey County | — | — |
| 3W Builders INC | William Walter Iv Wilcox | — | (831) 261 8102 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| 8 Ball Construction INC | Corona Hazael Andrade | — | (831) 269 1844 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| 831 Custom Tile & Stone INC | Luiz Jurias Bautista | — | (831) 970 1399 | Other | Salinas · Monterey County | — | — |
| 831 Hcflooring LLC | Hugo Cesar Fernandez-rocha | — | (831) 540 7709 | Other | Moss Landing · Monterey County | — | — |
| 831 Heating INC | Vasquez Felipe | — | (831) 449 4822 | HVAC | Salinas · Monterey County | — | — |
| 831 Local Construction | Jose Luis Martinez Gomez | — | (831) 776 6731 | GC, remodel, ADU | Castroville · Monterey County | — | — |
| 831 Pld Enterprises INC | Peter Lowell Dew | — | (831) 999 7667 | Other | Carmel Valley · Monterey County | — | — |
| 831 Pool & Spa Service | Christopher Charles Platt | — | (831) 659 4966 | Pool | Pacific Grove · Monterey County | — | — |
| A & A Construction Co | Sanchez Alejandro | — | (831) 214 6502 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| A & A Tree Care | A & A Tree Care | — | (831) 869 9189 | Tree | Seaside · Monterey County | — | — |
| A & F Plastering INC | Flavio Barajas-Mendoza | — | (831) 214 6603 | Other | Aromas · Monterey County | — | — |
| A & G Machine Shop INC | Anuar Rivera Molina | — | (831) 758 8774 | Other | Salinas · Monterey County | — | — |
| A & K Electric | Amador Arturo | — | (831) 210 4968 | Electricians | Prunedale · Monterey County | — | — |
| A & M Plumbing | A & M Plumbing | — | (831) 293 3924 | Other | Del Rey Oaks · Monterey County | — | — |
| A & R Plumbing INC | Katherine Marie Roper | — | (831) 394 7221 | Other | Sand City · Monterey County | — | — |
| A & S Metals Recycling & Demolition | Stanley George Jr Silva | — | (831) 633 3379 | Other | Castroville · Monterey County | — | — |
| A 1 Telecom | A 1 Telecom | — | (831) 905 2478 | Other | Salinas · Monterey County | — | — |
| A A A Wire | A A A Wire | electronics@potters.com | (831) 393 0277 | Other | Seaside · Monterey County | — | — |
| A A Construction Company INC | Andrew Douglas Ackerman | — | (831) 800 6664 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| A A Glass Shop | A A Glass Shop | — | (831) 757 6574 | Windows, patio, painters | Salinas · Monterey County | — | — |
| A And L Plumbing | A And L Plumbing | — | (831) 320 3613 | Other | Salinas · Monterey County | — | — |
| A B Painting | A B Painting | julio@andybryanpainting.com | (831) 917 6569 | Windows, patio, painters | Salinas · Monterey County | — | — |
| A B Tree Service | Magana Eliel | — | (831) 737 0016 | Tree | Salinas · Monterey County | — | — |
| A C Fire Protection INC | Alfaro Joel Castillo | info@acfireprotection.com | (831) 757 0101 | Other | Salinas · Monterey County | — | — |
| A C Hardscape INC | Domingo Cardenas | — | (831) 998 0171 | Windows, patio, painters | Marina · Monterey County | — | — |
| A D S Tile & Marble | Daniel Mejia | — | (831) 256 0012 | Other | Salinas · Monterey County | — | — |
| A F Electric | Andres Joseph Flores | — | (831) 241 8785 | Electricians | Salinas · Monterey County | — | — |
| A G S Construction INC | Alejandro Gonzalez Sandoval | — | (831) 402 6419 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| A I R Tech INC | Michael Joseph Azzopardi | — | (831) 424 1282 | HVAC | Spreckels · Monterey County | — | — |
| A L Plumbing & Construction INC | Austin Phillip Lucero | — | (831) 241 1587 | Other | Salinas · Monterey County | — | — |
| A M Construction | Alan Anthony Morisoli | — | (831) 320 7281 | GC, remodel, ADU | King City · Monterey County | — | — |
| A M Electric | Aaron Christian Maraccini | — | (831) 757 4714 | Electricians | Salinas · Monterey County | — | — |