| Air Plus INC | Melvin Daniel Hernandezreyes | — | (916) 992 4331 | HVAC | Sacramento · Sacramento County | — | — |
| Air Pro | Air Pro | — | (916) 792 5480 | HVAC | Carmichael · Sacramento County | — | — |
| Air Specialist INC | Guillermo Huerta | — | (209) 327 8530 | HVAC | Galt · Sacramento County | — | — |
| Air Systems Of Sacramento | Garry Richard Westover | — | (916) 368 0336 | HVAC | Folsom · Sacramento County | — | — |
| Air Team Mechanical INC | Darric Wayne Bennett | — | (916) 990 4197 | HVAC | Orangevale · Sacramento County | — | — |
| Air Temp Mechanical INC | Andrew David Petkovich | — | (209) 251 3404 | HVAC | Galt · Sacramento County | — | — |
| Air Temp Solutions | Jason Tyler Walker | — | (916) 289 0092 | HVAC | North Highlands · Sacramento County | — | — |
| Air Zone Heating And Air Corp | Kolisa Oleg | — | (916) 628 5728 | HVAC | N Highlands · Sacramento County | — | — |
| Air-craft Heating & Air | Air-craft Heating & Air | — | (916) 247 0381 | HVAC | Sacramento · Sacramento County | — | — |
| Air9 | Armakan Farshad | — | (916) 617 7477 | HVAC | Carmichael · Sacramento County | — | — |
| Airco Mechanical INC | Wyatt Alvin Jones | talha@thrivedigitalconsulting.com | (916) 381 4523 | HVAC | Sacramento · Sacramento County | — | — |
| Aircon Energy INC | Brent Lee Dobson | jwagner@airconenergy.com | (916) 922 2004 | HVAC | Gold River · Sacramento County | — | — |
| Airdiuks Heating & Air INC | Oleg German | — | (916) 477 9531 | HVAC | Citrus Heights · Sacramento County | — | — |
| Airescue Heating & Cooling | Murillo-carrasco Efrain | — | (916) 667 1674 | HVAC | Citrus Heights · Sacramento County | — | — |
| Airflow Heating & Air INC | Melnichuk Oleg | — | (916) 607 9623 | HVAC | Orangevale · Sacramento County | — | — |
| Airflow Pro | Sergei Semenov | — | (916) 890 4774 | HVAC | Citrus Heights · Sacramento County | — | — |
| Airman Heat & Air | Airman Heat & Air | — | (916) 513 2554 | HVAC | Elk Grove · Sacramento County | — | — |
| Airmech | Ali Sinan Alani | — | (916) 912 7367 | HVAC | Elk Grove · Sacramento County | — | — |
| Airtemp HVAC | Airtemp HVAC | — | (916) 500 3653 | HVAC | Sacramento · Sacramento County | — | — |
| Airwise HVAC Solutions LLC | Joseph William Sr Souza | — | (916) 475 3948 | HVAC | Citrus Heights · Sacramento County | — | — |
| Ais Enterprises INC | Garry Osipov | — | (415) 846 0942 | GC, remodel, ADU | Elk Grove · Sacramento County | — | — |
| Aj Pro Painting | Aj Pro Painting | ajpropaintingcompany@gmail.com | (916) 617 8567 | Windows, patio, painters | Sacramento · Sacramento County | — | — |
| Ajd Construction | Anthony Joseph De-jesus | — | (916) 329 5172 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Ajr Drywall | Ajr Drywall | — | (916) 821 6553 | Other | Sacramento · Sacramento County | — | — |
| Ak Plumbing | Ak Plumbing | — | (916) 770 7391 | Other | Fair Oaks · Sacramento County | — | — |
| Ak Quality Construction | Adrianna Jaime Kramer | — | (209) 362 0897 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| Akal Quality Landscaping INC | Harjinder Kaur Rai | — | (916) 616 2896 | Windows, patio, painters | Sacramento · Sacramento County | — | — |
| Akers Construction | Cameron Roy Akers | — | (916) 216 3655 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Akg Construction INC | Andrey Vladimirovich Koblik | — | (916) 284 5264 | GC, remodel, ADU | Antelope · Sacramento County | — | — |
| Al Drywall | Al Drywall | — | (530) 300 8421 | Other | Sacramento · Sacramento County | — | — |
| Al's Landclearing INC | Kimberly Marie Randall Herlihy | — | (916) 482 2161 | Tree | Sacramento · Sacramento County | — | — |
| Al's Reliant Drywall | Al's Reliant Drywall | — | (916) 899 1327 | Other | Sacramento · Sacramento County | — | — |
| Alamo Electric | Bozidar Balic | — | (916) 397 8738 | Electricians | Sacramento · Sacramento County | — | — |
| Alamo Stairs | Alamo Stairs | — | (510) 364 2786 | Other | Citrus Heights · Sacramento County | — | — |
| Alan Garthwaite | Alan Garthwaite | — | (916) 454 1085 | Other | Sacramento · Sacramento County | — | — |
| Alan Haug | Alan Haug | — | (916) 802 6918 | Other | Orangevale · Sacramento County | — | — |
| Alan Wayne Winter | Alan Wayne Winter | — | (916) 335 9761 | Other | Sacramento · Sacramento County | — | — |
| Alan Zurawski Construction | Alan Sheldon Zurawski | — | (916) 205 2493 | GC, remodel, ADU | Citrus Heights · Sacramento County | — | — |
| Alb Painting | Alb Painting | — | (279) 321 3427 | Windows, patio, painters | Orangevale · Sacramento County | — | — |
| Alba Painting | Alba Painting | — | (310) 625 8007 | Windows, patio, painters | Sacramento · Sacramento County | — | — |