| A5 Energy Corp | Dean Matthew Stevenson | — | (916) 768 1524 | Electricians | Granite Bay · Placer County | — | — |
| Aa Construction | Andrew Leroy Allen | — | (916) 990 7168 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Aa Tree Care LLC | Alberto Mares | — | (916) 918 6836 | Other | Roseville · Placer County | — | — |
| Aaron Bowman | Aaron Bowman | — | (530) 615 6039 | GC, remodel, ADU | Colfax · Placer County | — | — |
| Aaron Richie Fencing | Aaron Richie Fencing | — | (530) 263 4942 | Other | Auburn · Placer County | — | — |
| Aaron's Flooring | Aaron's Flooring | — | (916) 474 0855 | Other | Loomis · Placer County | — | — |
| Aaron's Plumbing | Aaron's Plumbing | — | (916) 280 8790 | Other | Lincoln · Placer County | — | — |
| Ab Concrete Coatings INC | Brian Sean Fenno | — | (530) 823 6869 | Other | Meadow Vista · Placer County | — | — |
| Abbey Carpet X Floor Of Roseville | Fatima A Aoun | — | (916) 782 1303 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Abboushi Brothers Construction | Mohammad Manuel Abboushi | — | (916) 519 9000 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Abc Builders Group | Paulo Jr De Souza | info@abcbuildersgroup.com | (800) 741 6459 | Other roofers | Newcastle · Placer County | — | — |
| Abel Moldovan | Abel Moldovan | — | (707) 315 0031 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Abeyta Construction | Edward Joseph Abeyta | — | (916) 532 2465 | GC, remodel, ADU | Applegate · Placer County | — | — |
| Able Door Company | Martin Guenter Conner | — | (916) 708 1381 | Other | Granite Bay · Placer County | — | — |
| Above The Rest INC | Adam Douglas Scott | — | (916) 784 6966 | Pool | Roseville · Placer County | — | — |
| Abrams Built | Abrams Built | — | (916) 652 4454 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Abrams Electric | Jack Richard Abrams | — | (916) 606 9525 | Electricians | Roseville · Placer County | — | — |
| Absolute Rooter And Plumbing INC | Kareem John Haddad | — | (916) 899 0490 | Other | Roseville · Placer County | — | — |
| AC Group - Air Duct & Dryer Vent Incorporated | William Christian Johnson | — | (916) 664 6774 | HVAC | Roseville · Placer County | — | — |
| Aca Constructor | Aca Constructor | — | (530) 823 2607 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Aca Flooring | Svetislav Sveto Maletin | — | (916) 899 1199 | Other | Roseville · Placer County | — | — |
| Accu Air | Herbert Louis Hauke | sales@accuair.com | (916) 783 8771 | HVAC | Roseville · Placer County | — | — |
| Ace Glass & Window | Ace Glass & Window | — | (916) 477 9568 | Windows, patio, painters | Roseville · Placer County | — | — |
| Ace Handyman Services Roseville Rocklin | Kent Clifford Cusick | — | (916) 633 2140 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Ace Tree Enterprise INC | Alberto Vasquez | — | (916) 500 2933 | Tree | Roseville · Placer County | — | — |
| Ace Tree Service LLC | Dylan John Outzen | — | (916) 934 3204 | Tree | Granite Bay · Placer County | — | — |
| Aceto Tile And Stone | Aceto Tile And Stone | — | (916) 765 7278 | Other | Lincoln · Placer County | — | — |
| Acm Construction Services INC | Miguel Angel Contreras Cota | — | (916) 532 3503 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Acme Construction | Alfonso Salazar-Gonzalez | — | (916) 509 3546 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Acorn Arboricultural Services INC | Jay Scott Bate | — | (916) 787 8733 | Tree | Roseville · Placer County | — | — |
| Acoustical Drywall Services INC | Michael Joseph Rath | — | (916) 771 9858 | Windows, patio, painters | Granite Bay · Placer County | — | — |
| Acquistapace General Contracting | Gregory Ronald Acquistapace | — | (530) 368 2199 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Acres Irrigation LLC | Adam Mathew Lenekakis | — | (916) 622 4086 | Windows, patio, painters | Lincoln · Placer County | — | — |
| Acrylic Technologies INC | James Allen Teague | — | (916) 219 2461 | Other | Roseville · Placer County | — | — |
| Action Properties Real Estate Services Inc. | Action Properties Real Estate Services Inc. | rentals@actionproperties.net | — | Property managers | Roseville · Placer County | — | — |
| Acuna Ornamental Ironworks | Acuna Ornamental Ironworks | — | (916) 289 3313 | Other | Roseville · Placer County | — | — |
| Adair Construction | John Jay Adair | — | (916) 223 7408 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Adrian Bogdan | Adrian Bogdan | bogdan.alexandrescu1993@gmail.com | (925) 448 7046 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Adrian Mocan Drywall And Texture | Adrian Mocan Drywall And Texture | — | (916) 997 3898 | Other | Roseville · Placer County | — | — |
| Adroit Plumbing | Adroit Plumbing | — | (916) 380 0140 | Other | Roseville · Placer County | — | — |