| Jai Ho Yuh DBA East West Creations | East West Creations | — | (818) 497 6461 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| Jaime & Son's Pest Control Co | Jaime & Son's Pest Control Co | — | (661) 832-5671 | Pest, tile roofs | Bakersfield · Kern County | — | — |
| Jake Prince Flooring | Jake Prince Flooring | — | (760) 549 9934 | Other | Lake Isabella · Kern County | — | — |
| James Air Conditioning & Heating INC | Paul Rhys James | — | (661) 587 7770 | HVAC | Bakersfield · Kern County | — | — |
| James Bilof Construction | James Arthur Bilof | — | (661) 839 4089 | GC, remodel, ADU | Lebec · Kern County | — | — |
| James Caples | James Caples | — | (661) 293 0287 | Other | Maricopa · Kern County | — | — |
| James E Lehtinen DBA Midcal Management Co | James Edward Lehtinen | — | (661) 978 4737 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| James E Thompson INC DBA J T S Construction | Ricardo Nava | — | (661) 835 9270 | Electricians | Bakersfield · Kern County | — | — |
| James Ganiere | James Ganiere | — | (323) 334 0111 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| James Gilliland Construction | James Andrew Gilliland | — | (661) 203 1970 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| James Henry Phelps | James Henry Phelps | — | (661) 201 3727 | Other | Bakersfield · Kern County | — | — |
| James M Sanders Construction | James Michael Jr Sanders | — | (661) 319 4665 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| James Madarasz Masonry | James Madarasz Masonry | — | (760) 608 0498 | Other | Ridgecrest · Kern County | — | — |
| James Mower Construction | Michael James Mower | — | (760) 371 2076 | GC, remodel, ADU | Ridgecrest · Kern County | — | — |
| James Powell Construction | James Kendall Powell | — | (661) 809 5140 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| James S Woltz Const | James S Woltz Const | — | (661) 343 1150 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| James Z Concrete Construction | James Joseph Zaragoza | — | (949) 607 6418 | Other | Shafter · Kern County | — | — |
| Jarrett Electric INC | Carl Ray Jarrett | — | (661) 327 8046 | Electricians | Bakersfield · Kern County | — | — |
| Jason Alvarez | Jason Alvarez | — | (818) 791 3137 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jason Hewes Construction | Jason Myron Hewes | — | (661) 203 2924 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Javier's Custom Welding | Javier's Custom Welding | javierswelding@outlook.com | (661) 243 6139 | Other | Bakersfield · Kern County | — | — |
| Javier's Flooring | Javier's Flooring | — | (661) 565 4153 | Other | Bakersfield · Kern County | — | — |
| Jay L Watson Electric | Jay Lee Watson | — | (760) 417 0270 | Electricians | Lake Isabella · Kern County | — | — |
| Jaydee Contractors INC | Derrick Odell Dickerson | — | (661) 820 1834 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jbe Drywall | Flores Efren Lopez | — | (661) 778 7570 | Other | Delano · Kern County | — | — |
| Jby Construction INC | Jovani Diaz | — | (661) 364 2889 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jc & Z Company INC | Zambrano Jaime | — | (323) 470 8192 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jc Concrete Construction INC | Jose Manuel Cervantes | — | (661) 778 5612 | GC, remodel, ADU | Delano · Kern County | — | — |
| Jcj Chavez Construction Incorporated | Marilupe Chavez | — | (760) 375 2802 | GC, remodel, ADU | Ridgecrest · Kern County | — | — |
| Jd Mechanical & Son INC | Juan Manuel De La Torre | — | (661) 412 8222 | HVAC | Bakersfield · Kern County | — | — |
| Jdcb INC | Johnny William Dovichi | — | (661) 735 3200 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jdj Welding INC | Joseph Daniel Jacober | — | (661) 717 6216 | Other | Bakersfield · Kern County | — | — |
| Je Electric & Construction Services INC | John Eric Epperly | — | (661) 588 0232 | Electricians | Bakersfield · Kern County | — | — |
| Jed Francis INC | Jed Alan Francis | — | (661) 588 2888 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jeff Chambers Property Maintenance And Construction | Jeffrey William Chambers | — | (661) 332 0461 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jeff Chames | Jeff Chames | — | (661) 619 9175 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jeff Grimes Electric | Jeffrey Martin Grimes | — | (661) 343 2950 | Electricians | Bakersfield · Kern County | — | — |
| Jeff L Sanders | Jeff L Sanders | — | (661) 747 8971 | Other | Bakersfield · Kern County | — | — |
| Jeff Ontiveros Construction | Jeffrey Eugene Ontiveros | — | (661) 664 4671 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Jeff Periera Home Energy INC | Jeffrey Scott Periera | — | (661) 454 5568 | Electricians | Bakersfield · Kern County | — | — |