| Advanced Sign Contractors INC | Troy Dexter Jr Morris | — | (661) 392 1037 | Other | Bakersfield · Kern County | — | — |
| Advanced Soil Technology And Engineering | Raul Escobedo Felix | — | (661) 472 7281 | Other | Bakersfield · Kern County | — | — |
| Advanced Tree Care | Advanced Tree Care | steve@sovinteractive.com | (661) 444 2903 | Tree | Bakersfield · Kern County | — | — |
| Advantage Electrical | Stewart Lynn Thorne | — | (760) 559 9645 | Electricians | Ridgecrest · Kern County | — | — |
| Advantage Fire Protection | Advantage Fire Protection | — | (661) 808 6414 | Other | Bakersfield · Kern County | — | — |
| Advantage Fire Protection Co INC | Ignacio Resendez Reyes | — | (661) 808 6414 | Other | Bakersfield · Kern County | — | — |
| Aegm Roofing | Gerardo Rocha Alfaro | — | (805) 707 3044 | Other roofers | Bakersfield · Kern County | — | — |
| Affinity Power INC | Timothy Daniel Davis | — | (661) 557 7577 | Electricians | Tehachapi · Kern County | — | — |
| Affordable Glass And Mirror | Affordable Glass And Mirror | — | (661) 447 1277 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Aftermath Cleanup And Hauling | Eric Anthony Patterson | — | (661) 805 0527 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Ag General Engineering | Ag General Engineering | — | (661) 384 4202 | Other | Bakersfield · Kern County | — | — |
| Ag Pro Concrete INC | Cuara Alfonso Gutierrez | — | (661) 817 9270 | Other | Ridgecrest · Kern County | — | — |
| Agape Air Heating And Air Conditioning INC | Jose Esequiel Recio | — | (661) 399 6600 | HVAC | Bakersfield · Kern County | — | — |
| Agape Nursery & Landscape | Adolfo Briseno | — | (661) 720 6072 | Windows, patio, painters | Delano · Kern County | — | — |
| Agilitech | Martin Alonzo-Garcia | — | (661) 381 7811 | Electricians | Bakersfield · Kern County | — | — |
| Ahs Construction | Allan Neil Jr Fone | — | (661) 750 1484 | GC, remodel, ADU | Rosamond · Kern County | — | — |
| Ahua Pump Services | Reyes Ramiro Zendejas | — | (661) 229 9283 | Other | Delano · Kern County | — | — |
| Aic Heating And Air | Kenneth Dene Clifton | — | (661) 695 6911 | HVAC | Bakersfield · Kern County | — | — |
| Air Climate Control | Air Climate Control | — | (661) 316 5587 | HVAC | Bakersfield · Kern County | — | — |
| Air Climate Pros | Jose Esequiel Recio | — | (661) 302 3225 | HVAC | Bakersfield · Kern County | — | — |
| Air Era | Air Era | — | (661) 302 2186 | HVAC | Bakersfield · Kern County | — | — |
| Air Express Heating And Air INC | Miguel Angel Jr Perez | — | (661) 444 1886 | HVAC | Bakersfield · Kern County | — | — |
| Air Innovations | Air Innovations | — | (661) 319 1325 | HVAC | Bakersfield · Kern County | — | — |
| Air King Heating & Cooling INC | Luis Gilberto Reyes | — | (661) 725 6000 | HVAC | Delano · Kern County | — | — |
| Air Kool Service | Steven Oral Hargrove | — | (661) 201 1465 | HVAC | Bakersfield · Kern County | — | — |
| Air Mechanical Heating & Air Conditioning INC | Peter Donald Porcella | — | (661) 873 8500 | HVAC | Bakersfield · Kern County | — | — |
| Air Pro Heating & Cooling | Air Pro Heating & Cooling | — | (818) 272 0932 | HVAC | Bakersfield · Kern County | — | — |
| Air Pure Solutions | Air Pure Solutions | — | (805) 248 8127 | HVAC | Bakersfield · Kern County | — | — |
| Air Repair | Air Repair | — | (661) 746 0703 | HVAC | Shafter · Kern County | — | — |
| Airmax Heating And Air Conditioning | Airmax Heating And Air Conditioning | — | (661) 474 9110 | HVAC | Bakersfield · Kern County | — | — |
| Aj & R Painting Contractors INC | Duran Anthony Arballo | — | (323) 943 8798 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Aj's Floor Covering | Aj's Floor Covering | — | (661) 932 2946 | Other | Bakersfield · Kern County | — | — |
| Aks Construction | Angel Gregory Sandoval | — | (661) 302 5984 | GC, remodel, ADU | Delano · Kern County | — | — |
| Alain Alvarez Acevedo | Alain Alvarez Acevedo | — | (661) 525 8453 | Other | Bakersfield · Kern County | — | — |
| Alan Bell Construction | Joseph Alan Bell | — | (661) 979 0826 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Alan Jacks Landscaping INC | Alina Justine Jack | — | (661) 213 6226 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Alan Jacks Lawn Service A Partnership | Alan Benjamin Jack | — | (661) 213 6226 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Alarc Cg LLC | Hugo Daniel Alarcon | — | (661) 585 0208 | GC, remodel, ADU | Rosamond · Kern County | — | — |
| Alatorre Construction | Martin F Alatorre | — | (661) 586 7570 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Alatorre's Drywall | Alatorre's Drywall | — | (661) 340 5828 | Other | Bakersfield · Kern County | — | — |