| Big ""o"" Mechanical LLC | Omar Gerardo Perez Flores | — | (510) 928 5372 | HVAC | Sacramento · Sacramento County | — | — |
| Big Air Plumbing Heating & Cooling | Joshua Edward Tyack | — | (925) 435 1561 | HVAC | Rancho Cordova · Sacramento County | — | — |
| Big Bamboo Construction | Shane Lawrence Mellon | — | (916) 728 0219 | GC, remodel, ADU | Fair Oaks · Sacramento County | — | — |
| Big Bear Construction | Ricardo Juan Tomas A Sifuentes | — | (916) 390 6849 | GC, remodel, ADU | Citrus Heights · Sacramento County | — | — |
| Big Ben Garage Doors | Big Ben Garage Doors | — | (916) 583 4797 | Other | Antelope · Sacramento County | — | — |
| Big C Builders | Jose Luis Cardenas | — | (916) 764 6586 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Big City Painting | Big City Painting | — | (916) 410 8270 | Windows, patio, painters | Sacramento · Sacramento County | — | — |
| Big Country Water Blasting | Zackary Walter Sondrol | — | (916) 207 5702 | Other roofers | Wilton · Sacramento County | — | — |
| Big H Grading | Big H Grading | — | (916) 240 4670 | Other | Wilton · Sacramento County | — | — |
| Big Hammer Concrete | Big Hammer Concrete | bighammerconcrete@gmail.com | (916) 899 2020 | Other | Citrus Heights · Sacramento County | — | — |
| Big Jim's Building & Electrical | James Joseph Iii Shea | — | (916) 995 5979 | Electricians | Sacramento · Sacramento County | — | — |
| Big John's Flooring | Big John's Flooring | — | (916) 764 1854 | Other | Elverta · Sacramento County | — | — |
| Big Mountain Heating & Air Conditioning | Big Mountain Heating & Air Conditioning | — | (916) 301-4315 | HVAC | Sacramento · Sacramento County | — | — |
| Big Mountain Heating And Air INC | Toby Jay Tippets | — | (916) 925 7680 | Other roofers | Sacramento · Sacramento County | — | — |
| Big Sky Equipment And Engineering | Big Sky Equipment And Engineering | — | (530) 300 2209 | Other | Sacramento · Sacramento County | — | — |
| Big Time Pest Control | Big Time Pest Control | — | (530) 378-2930 | Pest, tile roofs | Sacramento · Sacramento County | — | — |
| Big Tool Drywall | Big Tool Drywall | — | (916) 873 4715 | Other | Citrus Heights · Sacramento County | — | — |
| Big Wow Hardwood Floors | Big Wow Hardwood Floors | — | (209) 696 6765 | Other | Sacramento · Sacramento County | — | — |
| Bigelow Construction | Brian William Bigelow | — | (916) 224 7537 | GC, remodel, ADU | Carmichael · Sacramento County | — | — |
| Bill Piper Const | Bill Piper Const | — | (510) 552 8681 | GC, remodel, ADU | Fair Oaks · Sacramento County | — | — |
| Bill Roberts Roofing | William Earle Roberts | — | (916) 868 8129 | Other roofers | Carmichael · Sacramento County | — | — |
| Bill Weliky DBA Home Care Remodeling & Repair | Home Care Remodeling & Repair | — | (916) 296 0407 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Bill's Fence Company | William Loley May | — | (916) 332 5568 | Other | North Highlands · Sacramento County | — | — |
| Billy Johnson Construction | Billy Joe Johnson | — | (916) 320 6742 | GC, remodel, ADU | Carmichael · Sacramento County | — | — |
| Bing K Wong | Bing K Wong | — | (916) 947 9409 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Biondi Paving INC | Stephan Eugene Biondi | — | (916) 383 5982 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Bird Nest Construction | Meza-baltazar Ernesto | — | (916) 524 9575 | GC, remodel, ADU | Wilton · Sacramento County | — | — |
| Biscos And Sons Construction | Paul Trajan Biscos | — | (916) 991 0999 | GC, remodel, ADU | Rio Linda · Sacramento County | — | — |
| Biscos Construction | Biscos Traian | — | (916) 991 0999 | GC, remodel, ADU | Rio Linda · Sacramento County | — | — |
| Biscos J Construction | Joseph Trajan Biscos | — | (916) 991 0999 | GC, remodel, ADU | Rio Linda · Sacramento County | — | — |
| Bishop's HVAC | Bishop's HVAC | info@bishopshvac.com | (209) 620-1395 | HVAC | Elk Grove · Sacramento County | — | — |
| Bizon Painting | Bizon Painting | — | (510) 690 3452 | Windows, patio, painters | Antelope · Sacramento County | — | — |
| Bj's Custom Painting | Bobbie Joe Coleman | — | (916) 804 6266 | Windows, patio, painters | Rancho Cordova · Sacramento County | — | — |
| Bl Landscape Creations | Itzep Bernardino Lopreto | — | (916) 544 7628 | Windows, patio, painters | Citrus Heights · Sacramento County | — | — |
| Black Bear Construction INC | Edgar Javier Casillas-Vital | — | (916) 904 9690 | GC, remodel, ADU | Citrus Heights · Sacramento County | — | — |
| Black Bull Drywall LLC | Rivera Brandon Cervantes | — | (916) 236 8116 | Other | Sacramento · Sacramento County | — | — |
| Black Dog Signs INC | Shane Matthew Crimmins | — | (916) 285 9300 | Other | Sacramento · Sacramento County | — | — |
| Black Hammer Construction INC | Piatrouski Valiantsin | — | (916) 891 8881 | GC, remodel, ADU | Citrus Heights · Sacramento County | — | — |
| Black Pine Builders INC | Michael Edward Paris | — | (916) 497 0900 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Black Star Pavement Maintenance INC | Jeremy Adrian Myers | — | (877) 324 4797 | Other | Sacramento · Sacramento County | — | — |