| Crosstown Electrical & Data INC | Andrea Lyn Heermance | — | (626) 813 6693 | Electricians | Chino · San Bernardino County | — | — |
| Crowley Cooling & Heating LLC | Kyle Steven Nourse | — | (909) 362 1700 | HVAC | Yucaipa · San Bernardino County | — | — |
| Crown Communications Engineering INC | Gabriel Manuel Najera | — | (951) 317 6646 | Other | Ontario · San Bernardino County | — | — |
| Crown Construction Engineering Incorporated | Gabriel Manuel Najera | — | (909) 477 0892 | Other | Rancho Cucamonga · San Bernardino County | — | — |
| Crown Construction Group INC | Thomas Michael Jr Reyes | interested@domainmarket.com | (714) 213 9867 | GC, remodel, ADU | Ontario · San Bernardino County | — | — |
| Crown Contracting & Associates | Rex Allen Maughan | — | (760) 203 1733 | Electricians | Yucca Valley · San Bernardino County | — | — |
| Crown Homes | Patrick John Klingel | — | (541) 830 0629 | Other | Hesperia · San Bernardino County | — | — |
| Crown King Construction | Teela Inez Anderson | — | (760) 881 6418 | GC, remodel, ADU | Apple Valley · San Bernardino County | — | — |
| Crown Painting | Crown Painting | — | (909) 904 2472 | Windows, patio, painters | Fontana · San Bernardino County | — | — |
| Crown Painting Contractors INC | Kyle Brian Fisher | — | (909) 709 6760 | Windows, patio, painters | Yucaipa · San Bernardino County | — | — |
| Crown Renovations INC | Nick Bradley Coppotelli | — | (909) 851 5407 | Other | Rancho Cucamonga · San Bernardino County | — | — |
| Crown Structures Engineering | Crown Structures Engineering | — | (909) 477 0892 | Other | Alta Loma · San Bernardino County | — | — |
| Crowns Auto Glass & Window Tint | Crowns Auto Glass & Window Tint | — | (909) 473-0680 | Windows, patio, painters | San Bernardino · San Bernardino County | — | — |
| Cruz Construction Co | Cruz Jose | — | (619) 309 6109 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |
| Cruz Construction Company | Jose Gustavo Cruz | — | (909) 771 9240 | GC, remodel, ADU | San Bernardino · San Bernardino County | — | — |
| Cruz Construction INC | Christian Gaudalupe Cruz | — | (323) 608 2377 | GC, remodel, ADU | Hesperia · San Bernardino County | — | — |
| Cruz Masonry Construction | Benny Rudy Cruz | — | (909) 231 8164 | Other | Fontana · San Bernardino County | — | — |
| Cruz Plumbing & Rooter Services | Christian Eduardo Cruz | — | (909) 500 8081 | Other | Upland · San Bernardino County | — | — |
| Cruz Roofing Systems | Cruz-duran Pablo | — | (323) 216 6101 | Other roofers | Victorville · San Bernardino County | — | — |
| Cruzland Electrical Services | Cruz Juarez Jesus | — | (909) 730 5369 | Electricians | Loma Linda · San Bernardino County | — | — |
| Crw Roofing And Waterproofing | John Joseph Camarena | — | (909) 887 8880 | Other roofers | Fontana · San Bernardino County | — | — |
| Crystal Blue Pools & Spas | Crystal Blue Pools & Spas | — | (909) 887-9231 | Pool | San Bernardino · San Bernardino County | — | — |
| Cs Electric | Chandal Aerial Soto | — | (909) 556 0693 | Electricians | Yucaipa · San Bernardino County | — | — |
| Csa General Construction | Garcia Sandoval Adan | — | (760) 469 6502 | GC, remodel, ADU | Hesperia · San Bernardino County | — | — |
| Csa Roofing Solutions | Santos Abarca Celso | — | (909) 246 3128 | Other roofers | San Bernardino · San Bernardino County | — | — |
| Csi General Contracting INC | Javier Francisco Terriquez | — | (909) 636 8619 | Electricians | Chino Hills · San Bernardino County | — | — |
| Ct Electric | Nicholas Daniel Quintana | — | (909) 647 7015 | Electricians | Highland · San Bernardino County | — | — |
| Ctd Contracting INC | Craig Thomas Dillon | projects@ctdcontracting.com | (909) 608 0583 | GC, remodel, ADU | Upland · San Bernardino County | — | — |
| Cubby Bear Painting | Cubby Bear Painting | — | (909) 554 0500 | Windows, patio, painters | Big Bear Lake · San Bernardino County | — | — |
| Cucamonga Flooring | Cucamonga Flooring | — | (909) 230 3265 | Other | Rancho Cucamonga · San Bernardino County | — | — |
| Cucamonga Valley Construction | Robert Pasquale Voce | — | (909) 518 2532 | GC, remodel, ADU | Alta Loma · San Bernardino County | — | — |
| Cuellar Construction INC | Luis Jr Uribe | contact@sansoxygen.com | (909) 841 4514 | GC, remodel, ADU | Yucaipa · San Bernardino County | — | — |
| Cuevas Drywall | Antonio Efren Cuevas Valenzuela | — | (909) 255 2953 | Other | Fontana · San Bernardino County | — | — |
| Culpepper Flooring | Culpepper Flooring | culpepperflooring@gmail.com | (951) 532 7575 | Other | Redlands · San Bernardino County | — | — |
| Cumming Construction | Danny Lee Cumming | — | (760) 832 5385 | GC, remodel, ADU | Morongo Valley · San Bernardino County | — | — |
| Cumorah Tree Service INC | James Daniel Taylor | — | (909) 336 4637 | Tree | Lake Arrowhead · San Bernardino County | — | — |
| Curiel Painting And Construction Company | Santiago Sr Curiel Llames | — | (909) 477 0272 | GC, remodel, ADU | Upland · San Bernardino County | — | — |
| Curran's Colorworks | Curran's Colorworks | — | (909) 277 1966 | Windows, patio, painters | Mt Baldy · San Bernardino County | — | — |
| Current Electric | Current Electric | — | (818) 343-2337 | Electricians | San Bernardino · San Bernardino County | — | — |
| Current Field Innovations INC | John James Ballestero | — | (909) 957 3773 | Electricians | Victorville · San Bernardino County | — | — |