| Alwest Fire Protection LLC | William Allen Norwood | — | (916) 784 0146 | Other | Roseville · Placer County | — | — |
| Ama Construction | John Robert Rieboldt | ama-info@ama-construction.com | (916) 316 0278 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Amac HVAC INC | Anthony Thomas Macreadie | — | (916) 470 0347 | HVAC | Roseville · Placer County | — | — |
| Amazing Drywall Services | Plascencia Navarro Rafael | — | (916) 289 3181 | Other | Roseville · Placer County | — | — |
| Amble Construction | David Alan Amble | — | (530) 330 2403 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Amc Electric INC | Adam Mark Chambers | alex@amc-electric.com | (916) 622 8195 | Electricians | Lincoln · Placer County | — | — |
| America's Advantage Remodeling | Yevgeniy Eugene Chernioglo | — | (916) 739 0611 | GC, remodel, ADU | Roseville · Placer County | — | — |
| American Building Contractor | American Building Contractor | — | (916) 825 0607 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| American Canyon Development | American Canyon Development | — | (916) 799 8284 | GC, remodel, ADU | Auburn · Placer County | — | — |
| American Comfort Heating & Air LLC | Kristopher Conrad Smith | — | (916) 367 8672 | HVAC | Lincoln · Placer County | — | — |
| American Energy Home Pro's | Matthew Lee Mcguire | — | (916) 520 9990 | HVAC | Loomis · Placer County | — | — |
| American Excavation | Tyler Austin Cox | interested@domainmarket.com | (916) 581 9014 | Other | Lincoln · Placer County | — | — |
| American Heating And Cooling | American Heating And Cooling | — | (916) 759 2802 | HVAC | Penryn · Placer County | — | — |
| American Horizon Property Management | American Horizon Property Management | — | (916) 781-6858 | Property managers | Roseville · Placer County | — | — |
| American Leak Detection | Monte Christopher Routon | — | (916) 765 5734 | Other | Roseville · Placer County | — | — |
| American Pool Plastering | American Pool Plastering | info@americanpoolsafety.net | (916) 742 8580 | Pool | Rocklin · Placer County | — | — |
| American Pure Pool Service & Repair | Justin Daniel Powell | — | (916) 806 6296 | Pool | Meadow Vista · Placer County | — | — |
| American Refrigeration & Air Conditioning | American Refrigeration & Air Conditioning | — | (775) 388 0177 | HVAC | Roseville · Placer County | — | — |
| American River Arboriculture | American River Arboriculture | — | (925) 303 0516 | Other | Lincoln · Placer County | — | — |
| American River Caulking INC | Gary Lionel Gutierrez | — | (530) 878 4475 | Other | Colfax · Placer County | — | — |
| American River Waterscapes | American River Waterscapes | — | (408) 235 9497 | Windows, patio, painters | Applegate · Placer County | — | — |
| American Services Industries INC | Dennis Fay Graham | — | (916) 672 6789 | HVAC | Rocklin · Placer County | — | — |
| American Well Drilling And Pump Service | Michael Lee Ottmann | — | (530) 889 9355 | Other | Newcastle · Placer County | — | — |
| Americana Electric | Juan Jose Lopez | americanaelectric@gmail.com | (916) 846 1781 | Electricians | Roseville · Placer County | — | — |
| Ameriside Siding Design | Igor Ivanovich Tsyura | — | (916) 710 1353 | GC, remodel, ADU | Colfax · Placer County | — | — |
| Amir Safe Construction | Dabestani Amir | — | (916) 757 9239 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Amitis Development | Amitis Development | — | (916) 276 6777 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Amr Construction | Zachary Alexander Rosenberg | info@amrconstruction.com | (916) 871 8282 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Anani Remodeling LLC | Mark Nikolayevich Shpyrka | info@ananiremodeling.com | (916) 404-4780 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Anchor Floors INC DBA Auburn Floor Demolition | Brian Keith Bowers | — | (916) 871 2172 | Other | Auburn · Placer County | — | — |
| Anchor Iron Works | Anchor Iron Works | — | (530) 305 6650 | Other | Auburn · Placer County | — | — |
| Anders Helms | Anders Helms | — | (530) 392 0258 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Anderson Backhoe | Anderson Backhoe | — | (530) 320 5800 | Other | Applegate · Placer County | — | — |
| Anderson Contract Floors | Anderson Contract Floors | — | (530) 575 9260 | Other | Weimar · Placer County | — | — |
| Anderson Electric | Jason Bradley Anderson | — | (530) 355 6799 | Electricians | Auburn · Placer County | — | — |
| Anderson Fire Protection LLC | Anthony Jerome Anderson | — | (925) 570 1497 | Other | Lincoln · Placer County | — | — |
| Anderson Painting And Decorating | Anderson Painting And Decorating | — | (916) 969 9082 | Windows, patio, painters | Loomis · Placer County | — | — |
| Anderson's Construction | Clifford Dean Jr Anderson | — | (775) 745 9705 | GC, remodel, ADU | Kings Beach · Placer County | — | — |
| Anderson's Construction & Snow Removal | Clifford Dean Jr Anderson | — | (530) 546 5176 | GC, remodel, ADU | Kings Beach · Placer County | — | — |
| Anderson's Sierra Pipe Company | Donna Erle Anderson | — | (530) 885 8475 | Other | Auburn · Placer County | — | — |