| Gate Pro | Gate Pro | — | (530) 949 0938 | Other | Cottonwood · Shasta County | — | — |
| Gauthier Construction | George Patrick Gauthier | info@gauthierconstruction.com | (530) 382 1225 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Gaynor Telesystems INC | Maureen Janet Dominguez | — | (530) 223 2979 | Other | Redding · Shasta County | — | — |
| Gc Roadside Signs | Creed Jerome Freshour | — | (530) 351 4039 | Other | Anderson · Shasta County | — | — |
| Gemmill Construction | Mickey Leland Gemmill | mg@gemmillconstruction.com | (530) 524 4501 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Generation Industrial Steel INC | Valencia Daniel Rosales | — | (530) 610 2677 | Other | Cottonwood · Shasta County | — | — |
| Geoble Construction | Guy Alan Geoble | — | (530) 604 5335 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Geoffrey James Swimming Pool & Spa Service & Repairs | James Geoffrey | — | (530) 410 9362 | Pool | Hat Creek · Shasta County | — | — |
| George R Stenlund Construction | George Rodney Stenlund | — | (530) 351 1878 | GC, remodel, ADU | Montgomery Creek · Shasta County | — | — |
| George Vasilescu | George Vasilescu | — | (530) 227 7958 | Electricians | Redding · Shasta County | — | — |
| Geoworks Builders | Geoworks Builders | — | (530) 524 7839 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Gerety's Professional Landscape Service INC | Jeffrey Paul Gerety | — | (530) 223 6989 | Windows, patio, painters | Redding · Shasta County | — | — |
| Geveden Industrial Incorporated | Bruce Thomas Geveden | — | (530) 526 7115 | Electricians | Cottonwood · Shasta County | — | — |
| Gheen Builders INC | Steven Murry Gheen | office@gheenbuilders.com | (530) 223 9300 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Gibson Heating And Air Conditioning | Lynnea Dorine Gibson | — | (530) 242 2000 | HVAC | Redding · Shasta County | — | — |
| Gibson Pump | Gibson Pump | — | (530) 338 9731 | Other | Redding · Shasta County | — | — |
| Gifford And Day Construction INC | Robert Leslie Barr | — | (530) 604 2175 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Gifford Construction INC | Andrew Lynn Mc Curdy | dave@lab6.com | (530) 226 6000 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Giles Excavating And Paving INC | Michael Robert Giles | — | (530) 365 1685 | Windows, patio, painters | Anderson · Shasta County | — | — |
| Giles Lock & Security Systems INC | Jason Crittenton Montague | — | (530) 222 1110 | Alarm and generators | Redding · Shasta County | — | — |
| Gill-hat Creek Joint Venture | Allen Construction INC Gill | — | (530) 547 1112 | Other | Palo Cedro · Shasta County | — | — |
| Gilmette Construction | Edward Thomas Gilmette | — | (530) 515 6942 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Git - R - Dug Backhoe Service | Cris Adam Fultz | — | (530) 228 8606 | Other | Cottonwood · Shasta County | — | — |
| Gk Excavating | Gk Excavating | impallari@gmail.com | (530) 722 5429 | Other | Shasta Lake · Shasta County | — | — |
| Glass Master | Julie Ann Puderbach | — | (530) 355 1440 | Windows, patio, painters | Redding · Shasta County | — | — |
| Glaze & Son Elite Builders INC | John Ellis Glaze | — | (530) 604 4619 | GC, remodel, ADU | Shasta Lake · Shasta County | — | — |
| Glenn A Kelley General Engineering | Glenn A Kelley General Engineering | — | (530) 524 6441 | GC, remodel, ADU | Palo Cedro · Shasta County | — | — |
| Glenn Launder | Glenn Launder | — | (530) 604 0624 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Glenn Lipscomb Plumbing | Glenn Lipscomb Plumbing | — | (707) 601 0886 | Other | Cottonwood · Shasta County | — | — |
| Glynn's Plumbing LLC | Gordon William Glynn | — | (530) 227 9223 | Other | Redding · Shasta County | — | — |
| Gm Construction | Glenn Martin Moore | — | (530) 524 3227 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Godman's Landscaping | Godman's Landscaping | — | (530) 223 0874 | Windows, patio, painters | Redding · Shasta County | — | — |
| Gold Leaf Nursery & Landscaping | Gold Leaf Nursery & Landscaping | — | (530) 365 5383 | Windows, patio, painters | Redding · Shasta County | — | — |
| Golden Crest Painting | Golden Crest Painting | john@smith.com | (530) 242 0302 | Windows, patio, painters | Redding · Shasta County | — | — |
| Golden State Comfort | Golden State Comfort | — | (530) 917 0660 | HVAC | Redding · Shasta County | — | — |
| Golden State Epoxy Coatings | Golden State Epoxy Coatings | — | (310) 678-6765 | Other | Redding · Shasta County | — | — |
| Golden Valley Roofing | Michael Dean Astin | — | (530) 917 7663 | Other roofers | Redding · Shasta County | — | — |
| Good Fellers | Matthew Mackenzie Gilliam | — | (530) 941 6035 | Other | Palo Cedro · Shasta County | — | — |
| Grade Drilling INC | Lester Stephen Grade | service@gradedrilling.com | (530) 347 4176 | Other | Cottonwood · Shasta County | — | — |
| Grandlake Remodeling INC | Todd Christopher Tews | — | (530) 227 9314 | GC, remodel, ADU | Igo · Shasta County | — | — |