| Albert Brown Concrete INC | Albert Earl Jr Brown | — | (661) 809 0986 | Other | Bakersfield · Kern County | — | — |
| Albert Torres | Albert Torres | — | (661) 821 1046 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| Alcala Air Conditioning & Heating Co | Jose Luis Alcala | — | (661) 754 6624 | HVAC | Rosamond · Kern County | — | — |
| Aldaco Garage Doors | Aldaco Garage Doors | — | (661) 805 2446 | Other | Bakersfield · Kern County | — | — |
| Alejandro Marquez Robledo | Alejandro Marquez Robledo | — | (661) 706 7675 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Alex Estrada DBA Big Al Construction | Estrada Alex | — | (661) 586 2428 | GC, remodel, ADU | Delano · Kern County | — | — |
| Alfred S Jr Martinez | Alfred S Jr Martinez | — | (661) 333 5211 | Other | Bakersfield · Kern County | — | — |
| Alfredo P Perez | Alfredo P Perez | — | (661) 972 3331 | Other | Tehachapi · Kern County | — | — |
| Alfredo's Construction INC | Alfredo Ojeda Carrillo | — | (661) 203 3525 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Alfredo's Floor Covering And Installation | Alfredo's Floor Covering And Installation | — | (661) 900 5795 | Other | Bakersfield · Kern County | — | — |
| Alisyn J Palla | Alisyn J Palla | — | (661) 865 6510 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Alitas Roofing | Juan Manuel Patino-Cuevas | — | (310) 706 1896 | Other roofers | Bakersfield · Kern County | — | — |
| All America Paving & Sealing Services | Luis Miguel Lopez Gonzalez | — | (661) 302 5537 | Other | Bakersfield · Kern County | — | — |
| All American Carpet INC | Brad Marshall Roberts | — | (661) 325 3767 | Other | Bakersfield · Kern County | — | — |
| All American Glass And Window INC | Robert Matthew Ryan | — | (661) 323 3636 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| All American Wood Specialties | All American Wood Specialties | boothfixtures@gmail.com | (661) 399 5573 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| All Brand Air INC | Charles Dale Witcher | — | (661) 589 2051 | HVAC | Bakersfield · Kern County | — | — |
| All Climate Air INC | Jeffrey Austin Gaines | — | (661) 321 0620 | HVAC | Bakersfield · Kern County | — | — |
| All Fo4ur Sides Siding & Windows | Catherine Ellen Wyatt | — | (661) 330 1161 | Windows, patio, painters | Mojave · Kern County | — | — |
| All Good Plumbing And Repairs | All Good Plumbing And Repairs | — | (661) 809 6397 | Other | Lebec · Kern County | — | — |
| All In One Custom Window Coverings | Robin Patrice Eisen | — | (661) 444 0852 | Other | Bakersfield · Kern County | — | — |
| All In One General Construction | Ruiz Javier Cisneros | — | (661) 370 6431 | GC, remodel, ADU | Wasco · Kern County | — | — |
| All Petroleum Pros INC | Jason Leroy Cosby | hr@allpetroleumpros.com | (909) 435 7059 | Other | Bakersfield · Kern County | — | — |
| All Phase Electric | Robert Arthur Mc Donald | — | (661) 213 3272 | Electricians | Bakersfield · Kern County | — | — |
| All Seasons Air Solutions INC | Jesus David Macias Rivera | — | (661) 567 4996 | HVAC | Bakersfield · Kern County | — | — |
| All Seasons Energy Solutions | Christopher John Bertolucci | — | (661) 589 4567 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| All Services Garage Doors | Justin Tyler Caudill | — | (760) 472 2754 | Other | Wofford Heights · Kern County | — | — |
| All Sierra Fence Company | Jerry Dane King | — | (760) 446 3100 | Other | Ridgecrest · Kern County | — | — |
| All Terra Landscaping INC | Amber Patricia Neri | — | (818) 561 1526 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| All Terrain Roofing Co | Marin Diego Cuautle | — | (661) 912 8037 | Other roofers | Bakersfield · Kern County | — | — |
| All Tree Care | All Tree Care | — | (661) 496 4658 | Tree | Bakersfield · Kern County | — | — |
| All Weather Roofing | Stephen Wayne Hale | — | (661) 303 2023 | Other roofers | Bakersfield · Kern County | — | — |
| All-tech Fire & Security INC | Donald Neil Horsley | — | (661) 371 3300 | Electricians | Bakersfield · Kern County | — | — |
| Allan Walker | Allan Walker | — | (661) 343 1924 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Alldura | Debra Elaine Trussell | — | (661) 393 6540 | Other | Bakersfield · Kern County | — | — |
| Allen General Engineering INC | Sean Justin Allen | — | (661) 348 1369 | Other | Bakersfield · Kern County | — | — |
| Alley's Welding INC | Bobby Lee Alley | — | (661) 588 5998 | Other | Bakersfield · Kern County | — | — |
| Alliance Construction | Ulices Bladimir Melendez | info@allianceconstruction.com | (661) 549 6969 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Alliance Construction Services | Steven Roy Jr Hendrix | — | (661) 431 8851 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Alliance Construction Technologies | Robert Anthony Barile | — | (661) 776 5660 | GC, remodel, ADU | Bakersfield · Kern County | — | — |