| Chris Montross Construction INC DBA Chris Montross Drywall | Jose Dance | — | (760) 953 7541 | Other | Hesperia · San Bernardino County | — | — |
| Chris Painting | Chris Painting | — | (951) 990 9291 | Windows, patio, painters | Alta Loma · San Bernardino County | — | — |
| Chris Quality Pool Repair | Chris Quality Pool Repair | — | (909) 883-3778 | Pool | San Bernardino · San Bernardino County | — | — |
| Christensen Brothers General Engineering INC | Caleb Ian Christensen | — | (760) 240 5236 | Other | Apple Valley · San Bernardino County | — | — |
| Christian Saenz | Christian Saenz | — | (760) 261 2953 | Other | Hesperia · San Bernardino County | — | — |
| Christianbelle Electric INC | David Lynn Placencia | — | (940) 948 3444 | Electricians | Hesperia · San Bernardino County | — | — |
| Christopher Allen Painting | Christopher Allen Painting | — | (310) 291 6746 | Windows, patio, painters | Yucaipa · San Bernardino County | — | — |
| Christopher Gutierrez | Christopher Gutierrez | — | (909) 322 3100 | Other | Hesperia · San Bernardino County | — | — |
| Christopher H Koehler Construction | Christopher Hubert Koehler | — | (909) 556 8350 | GC, remodel, ADU | Big Bear City · San Bernardino County | — | — |
| Christopher Jason Feldman | Christopher Jason Feldman | — | (760) 819 1349 | GC, remodel, ADU | Twenty Nine Palms · San Bernardino County | — | — |
| Christopher John Fuller | Christopher John Fuller | — | (310) 505 1048 | Other | Big Bear City · San Bernardino County | — | — |
| Christopher Johnson | Christopher Johnson | — | (760) 912 2651 | Other | Hesperia · San Bernardino County | — | — |
| Christopher Kraus Construction | Christopher Levi Kraus | — | (909) 496 2846 | GC, remodel, ADU | Big Bear Lake · San Bernardino County | — | — |
| Christopher Lopez | Christopher Lopez | — | (909) 921 5162 | GC, remodel, ADU | Alta Loma · San Bernardino County | — | — |
| Christopher Specht | Christopher Specht | — | (909) 215 7863 | HVAC | Upland · San Bernardino County | — | — |
| Christopher Turner | Christopher Turner | — | (909) 609 9395 | GC, remodel, ADU | Fontana · San Bernardino County | — | — |
| Chronister Construction | Dale Curtis Chronister | — | (909) 423 0427 | GC, remodel, ADU | Grand Terrace · San Bernardino County | — | — |
| Chuck Chills Construction | Charles Arther Debisschop | — | (619) 933 9093 | HVAC | Yucaipa · San Bernardino County | — | — |
| Chuck's Tile Designs | Chuck's Tile Designs | — | (909) 989 1790 | Other | Alta Loma · San Bernardino County | — | — |
| Chul Suk Chung | Chul Suk Chung | — | (626) 826 3689 | GC, remodel, ADU | Chino Hills · San Bernardino County | — | — |
| Chun Li | Chun Li | — | (626) 328 6011 | HVAC | Ontario · San Bernardino County | — | — |
| Chun Sa Painting | Chun Sa Painting | — | (760) 217 5775 | Windows, patio, painters | Hesperia · San Bernardino County | — | — |
| Church & Larsen INC | Raymond William Larsen | — | (626) 303 8741 | Other | Upland · San Bernardino County | — | — |
| Cia Home Inspection | Cia Home Inspection | — | (949) 981-8320 | Inspectors | San Bernardino · San Bernardino County | — | — |
| Cinco + Landscaping | Cinco + Landscaping | — | (760) 782 5508 | Windows, patio, painters | Helendale · San Bernardino County | — | — |
| Cindi's Purr - Fect Landscaping | Cindi's Purr - Fect Landscaping | — | (909) 790 0738 | Windows, patio, painters | Highland · San Bernardino County | — | — |
| Cinran Electrical Solutions INC | Randall Jay Jr Mulvey | — | (760) 820 8853 | Electricians | Apple Valley · San Bernardino County | — | — |
| Cir Sparky Electric | John Joshua Ciraulo | — | (909) 855 4239 | Electricians | Highland · San Bernardino County | — | — |
| Cir Sparky Electric INC | John Joshua Ciraulo | — | (909) 855 4239 | Electricians | Highland · San Bernardino County | — | — |
| Circle Connect Electric | David Francisco Salazar | — | (657) 293 4235 | Electricians | San Bernardino · San Bernardino County | — | — |
| Circle T's Construction | Lawrence Henry Ott | — | (760) 835 6139 | Electricians | Apple Valley · San Bernardino County | — | — |
| Circuitwise Communications INC | Freddy Washington Rubio Jativa | services@circuitwisecommunications.com | (760) 475 9716 | Electricians | Victorville · San Bernardino County | — | — |
| Cisco Demolition | Cisco Demolition | — | (909) 750 1074 | Other | Montclair · San Bernardino County | — | — |
| Cisco's Painting Co | Francisco Javier Gonzalez | — | (818) 724-1787 | Windows, patio, painters | Colton · San Bernardino County | — | — |
| Cisneros Brothers Flood Services | Jose Elias Jr Cisneros | — | (760) 947 2625 | Other | Hesperia · San Bernardino County | — | — |
| Cisneros Brothers Plumbing INC | Armando Felix | — | (760) 559 0937 | HVAC | Hesperia · San Bernardino County | — | — |
| Cisneros Contractors | Cisneros Ismael | — | (909) 289 3952 | GC, remodel, ADU | Colton · San Bernardino County | — | — |
| Citori INC | Jake Stewart Lowman | — | (760) 902 0616 | Other | Hesperia · San Bernardino County | — | — |
| City Concrete Cutting INC | Charles Alfred Hotzinger | carl@cityconcretecutting.com | (909) 242 5981 | Other | Upland · San Bernardino County | — | — |
| City First Electric | Ashraf Omar Jaara | ash1@cityfirstelectric.com | (909) 999 5331 | Electricians | Rancho Cucamonga · San Bernardino County | — | — |