| G F C General Construction | B | 2019 | Active |
| G I Development Inc | B | 2009 | Active |
| G Renovation Homes Inc | B | 2015 | Active |
| Ga Ju Cooling Systems | B + C20 | 2022 | Active |
| Ga2 Development | B | 2024 | Active |
| Gaandhi Construction | B | 2021 | Active |
| Gabai Construction Inc | B | 1988 | Active |
| Gaia Construction Inc | A, B + C12, HAZ | 2008 | Active |
| Gala General Construction Inc | B + C27, C36 | 2022 | Renew by Nov 30, 2026 |
| Galan Builders Inc | B | 2025 | Active |
| Galicia Ja Construction Inc | B | 2025 | Active |
| Gallagher Renovations Inc | B | 2006 | Active |
| Galleria Construction Inc | B | 1986 | Active |
| Gamez & J Builders Inc | B | 2023 | Active |
| Gap Construction Inc | B | 2012 | Active |
| Garduna JL General Construction | B | 2025 | Active |
| Garunte Maintenance Inc | B | 2023 | Active |
| Gary Silverston Homes | B | 1986 | Active |
| Gate West Construction Inc | B | 1987 | Active |
| Gatenyo & Associates Inc | B | 2004 | Active |
| GBS Company | B + C10, C16, C20 +2 | 2009 | Active |
| GC Design & Building Inc | B | 2022 | Active |
| GC Novaera Construction Inc | B | 2005 | Active |
| GCD Builders Inc | B | 2020 | Active |
| General Building Solutions | B | 2022 | Renew by Dec 31, 2026 |
| Genesis Overall Construction | B | 2021 | Active |
| Genple Inc | B | 2026 | Active |
| Geo Construction Inc | B + C54 | 1987 | Active |
| Geonosis Construction Inc | B + C36, C54 | 2023 | Active |
| Geronimo Concrete Inc | A, B + C8, C12, C13 +2 | 1999 | Active |
| GFC Construction Inc | B | 2024 | Active |
| Gillett Construction Services Inc | B | 2007 | Active |
| Giron Builders Inc | B | 2025 | Active |
| GJB Construction LLC | B | 2024 | Active |
| Glass Land | B + C17 | 2017 | Active |
| Glenda's Construction & Maintenance Inc | B | 2020 | Renew by Dec 31, 2026 |
| Global Industrial Construction Inc | A, B | 2022 | Active |
| GM Builders And Associates | B | 2012 | Active |
| Gme Development | B | 2008 | Active |
| GMK Construction Inc | B | 2018 | Renew by Dec 31, 2026 |
| GMZ General Builders Inc | B + C15 | 2023 | Active |
| Gnet Construction | B | 2025 | Active |
| GNP Construction Inc | B | 2019 | Active |
| Godspeed Construction Inc | B | 2025 | Active |
| Gokani Abhay Corporation | B | 1992 | Active |
| Gold Lion Construction Inc | B | 2016 | Active |
| Gold Pacific Construction Inc | B | 2017 | Active |
| Golden Builders Inc | B | 2024 | Active |
| Golden Eagle Construction Group | B | 2023 | Active |
| Golden Hour Builders | B | 2025 | Active |
| Golden Star Construction Inc | B | 1987 | Active |
| Golden State Gunite LLC | B | 2026 | Active |
| Golden State Home Builders Inc | B | 2022 | Renew by Nov 30, 2026 |
| Golden State One Construction Corporation | B | 2012 | Active |
| Golden State Renovation & Design Inc | B | 2022 | Active |
| Golden Z Construction Inc | B | 2019 | Active |
| Goldstar Construction Group Inc | B | 2025 | Active |
| Goma Design Build Co | B | 2025 | Active |
| Gonzalez Construction | B | 2003 | Active |
| Gonzalez Handyman & Construction | B | 2023 | Active |
| Gonzo Construction Services Inc | A, B | 2021 | Active |
| Good Form Corporation | B | 2010 | Active |
| Good Guys Construction & Remodeling Inc | B | 1998 | Active |
| Good News Construction Inc | B | 2011 | Active |
| Good Tree Construction Inc | B + C33 | 2016 | Active |
| Goodson Real Estate Co | B | 2012 | Active |
| Gorgeous Construction Inc | B | 2012 | Active |
| GQ Construction Inc | B | 2017 | Active |
| Grace Builders International | B | 1990 | Active |
| Grafidea Construction Inc | B | 2023 | Active |
| Grand Fence Company Inc | B + C13 | 1986 | Active |
| Grand Town Builders Inc | B + C39 | 2025 | Active |
| Gray Matter Construction Inc | B + D63 | 2023 | Active |
| Greater Watts Development Corporation | B + C21 | 1969 | Active |
| Green Construction | B | 2024 | Renew by Dec 31, 2026 |
| Green Gardens Design & Construction Inc | B | 2020 | Active |
| Green La Construction Group Inc | B | 2025 | Active |
| Green Light Construction Inc | B | 2020 | Active |
| Green Planet Plumbing | B + C36 | 2010 | Active |
| Green Pro Builders Inc | B | 2020 | Renew by Nov 30, 2026 |
| Green R D Construction Inc | B | 2007 | Active |
| Green Rise Builders Corporation | B | 2024 | Active |
| Greeniron Constructs Inc | B | 2010 | Active |
| Greentech Builders Inc | B | 2014 | Renew by Dec 31, 2026 |
| Greenwood Contractors | B | 2023 | Active |
| Greystone Sage | B | 2021 | Active |
| Greywater Corps Incorporated | B + C36 | 2015 | Active |
| Grossman Construction & Development Inc | B | 2019 | Active |
| Grow Construction Company Inc | B | 2024 | Active |
| Gruber C H Construction Inc | B | 1985 | Active |
| Gutierrez Builders Inc | B | 2026 | Active |
| Gutierrez General Builders | B | 2026 | Active |
| GWG Construction Inc | B | 1992 | Active |
| H & E Construction Group LLC | B | 2026 | Active |
| H & R Electric | B + C10 | 1996 | Active |
| H A B Painting & Construction | B + C33 | 2020 | Active |
| H A Lewis Inc | A, B + C8 | 1969 | Active |
| H B M Builders Inc | B | 2023 | Active |
| H Development | B | 2008 | Active |
| H Group Development Inc | B | 2023 | Active |