| Andrew Newell Painting | Andrew Newell Painting | — | (916) 865 8664 | Windows, patio, painters | Roseville · Placer County | — | — |
| Andrew Patrick Church DBA Sierra Crest Concrete | Sierra Crest Concrete | — | (530) 546 2150 | Other | Kings Beach · Placer County | — | — |
| Andrew Teller Construction LLC | Andrew Bernard Teller | — | (215) 205 7079 | GC, remodel, ADU | Carnelian Bay · Placer County | — | — |
| Andrew Weinberg | Andrew Weinberg | — | (530) 878 1442 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Andrews Construction & Woodworks | Richard Brian Andrews | — | (530) 581 2292 | GC, remodel, ADU | Olympic Valley · Placer County | — | — |
| Andros & Co INC | Angelina Androshchuk | — | (916) 276 0308 | Windows, patio, painters | Granite Bay · Placer County | — | — |
| Andson Painting | Kevin John Dodge | jordan@andsonpaintinginc.com | (916) 390 0207 | Windows, patio, painters | Rocklin · Placer County | — | — |
| Andy Badertscher Electric | Andrew J Badertscher | — | (916) 747 3094 | Electricians | Auburn · Placer County | — | — |
| Andy's Complete Plumbing Service | John Cody Anderson | — | (530) 315 0316 | Other | Sheridan · Placer County | — | — |
| Angel Electric | Miguel Angel Avila | — | (916) 813 2206 | Electricians | Roseville · Placer County | — | — |
| Angove Welding | Angove Welding | — | (530) 913 5012 | Other | Newcastle · Placer County | — | — |
| Another Day Another Door | Another Day Another Door | — | (707) 592 5409 | Other | Foresthill · Placer County | — | — |
| Another Win Communications | Another Win Communications | — | (916) 804 2742 | Other | Lincoln · Placer County | — | — |
| Anthem United Homes Construction LP | Matthew William Gustus | — | (916) 960 0240 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Anthony J Salsedo DBA A J S Construction | Anthony James Salsedo | — | (209) 833 6694 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Anthony James Sorensen | Anthony James Sorensen | — | (562) 842 6599 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Anthony Sanchez Electric | Anthony Pepe Sanchez | — | (916) 947 7373 | Electricians | Rocklin · Placer County | — | — |
| Anthony Spadaro | Anthony Spadaro | — | (530) 913 2003 | Electricians | Auburn · Placer County | — | — |
| Antonio Piscitello | Antonio Piscitello | — | (916) 773 6060 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Anything Dirt & Asphalt Paving And Excavating INC | Zachary James Cook | — | (530) 401 1007 | Other | Sheridan · Placer County | — | — |
| Apex Concrete Designs INC | James Nicholas Johnson | — | (916) 722 6687 | Other | Roseville · Placer County | — | — |
| Apex Construction Group INC | Eric Earl Stilwell | — | (916) 652 4491 | Other | Loomis · Placer County | — | — |
| Apex Premier Builders | Anthony Jackson Arrabit | — | (530) 401 0984 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Apex Smart Technology LLC | Sayed Jafar Saeidi | contact@apexsmarttechnology.com | (916) 891 7000 | Other | Roseville · Placer County | — | — |
| Apex Steel Buildings | Apex Steel Buildings | — | (916) 903 2819 | Other | Lincoln · Placer County | — | — |
| Apex Tahoe Plumbing | Tyler James Mckinney | — | (775) 343 2816 | Other | Olympic Valley · Placer County | — | — |
| Apexwest Pure Surfaces & Home Services | Chad Dustin Worrell | — | (916) 667 6918 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Apogee Advisers INC | Gabriel Thoreau Hidalgo | — | (916) 206 1190 | Electricians | Applegate · Placer County | — | — |
| Apsi | James Jay Iv Hanacek | — | (530) 537 2949 | HVAC | Auburn · Placer County | — | — |
| Aqua Bella Pools | Aqua Bella Pools | — | (916) 203 8183 | Pool | Roseville · Placer County | — | — |
| Aqua Custom Landscape | Aqua Custom Landscape | — | (916) 749 5783 | Windows, patio, painters | Granite Bay · Placer County | — | — |
| Aqua Sierra Controls INC | Joshua I Lane | — | (530) 823 3241 | Electricians | Auburn · Placer County | — | — |
| Aqua-environs Construction LLC | Ora Bathsheba Brenner | — | (916) 305 1373 | Windows, patio, painters | Roseville · Placer County | — | — |
| Ar Lux Construction LLC | Rojco Andrei | info@arluxconstruction.com | (916) 298 4670 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Ar-17 Land & Tree INC | Anthony Lawrence Russell | customerservice@arlandtree.com | (530) 588 8711 | Tree | Colfax · Placer County | — | — |
| Arb Construction | Joseph Michael Fancher | — | (916) 817 7044 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Arbor Care Of Tahoe INC | John Gruener Lange | team@actahoe.com | (530) 581 0820 | Other | Tahoe City · Placer County | — | — |
| Arbor King LLC | Ryan Conner King | ryan@arbor-king.com | (916) 778 9322 | Tree | Loomis · Placer County | — | — |
| Arbor Solutions Tree Care INC | James Mcghinnis Mi Piercy | cat@arborsolutionstreecare.com | (530) 580 8383 | Tree | Kings Beach · Placer County | — | — |
| Arbor Us Tree Service | Jose Jesus Perez | — | (916) 276 3182 | Tree | Auburn · Placer County | — | — |