| 33301 | United States | Grape Solar Inc. | 2635 W 7th PI, Eugene, OR 97402 | +1 877 2641014 | www.grapesolar.com | | |
| 33302 | United States | Grassroots Solar | 22 Blue Spruce Lane, East Dorset, VT 05253 | +1 802 6813579 | https://grassrootssolar.com | SunPower Corp. | |
| 33303 | United States | Graves Bros. Home Improvement Co. | 755 Winton Rd N, Rochester, NY 14609 | +1 585 2883390 | www.gravesbros.com | | |
| 33304 | United States | Gravitas | | | www.gravitas-sa.com | | |
| 33305 | United States | Gravity Mechanicals LLC | 2801 Kidron Rd., Orrville, Ohio 44667 | +1 330 4667097 | www.gravitymechanicals.com | | |
| 33306 | United States | Gray Connective, Inc | 1350 Tatamy Road, Easton, PA 18045 | +1 610 2533081 | www.grayconnective.com | | |
| 33307 | United States | Gray Electric | Meadville, Missouri | +1 660 9384567 | grayelectricsvcs.com | | |
| 33308 | United States | GrayWolf Industrial | 30 Mansell Court, Suite 215, Roswell, GA 30076 | +1 270 7130480 | www.graywolfindustrial.com | | |
| 33309 | United States | GrayWolf Services LLC. | 25201 Chagrin Blvd., Suite 380, Signature Square, Beachwood, OH 44122 | +1 216 8318000 | https://www.graywolfservices.com | | |
| 33310 | United States | Grean Grid Solar | | +1 832 3778371 | www.greangridsolar.com | | |
| 33311 | United States | Great Basin Solar | Reno, Nevada | +1 775 7627381 | https://www.greatbasinsolar.com | | |
| 33312 | United States | Great Lakes Bay Renewable Energy | 414 South Henry Street, Bay City, MI 48706 | +1 989 2748453 | greatlakesbayrenewableenergy.com | Enphase Energy, Inc. | |
| 33313 | United States | Great Plains Renewables | 21854 PLATTEVIEW RD ,SUITE 116 Gretna NE 68028 | 402 709-4750 | www.greatplainsrenewables.com | | |
| 33314 | United States | Great Solar Works! Inc. | 77 Croesus Creek Rd, Hailey, ID 83333 | +1 208 7217003 | www.solarwork.com | | |
| 33315 | United States | Greater Texas Solar | 205 N. Live Oak St, Mason, TX, 76856 | +1 830 5073884 | greatertexassolar.com | | |
| 33316 | United States | Greempower | Los Angeles, CA 90210 | +1 866 7491256 | greempower.com | | LG Electronics, Inc. |
| 33317 | United States | Green Air Heating and Air Conditioning, Inc. | 4050 Pike Lane, Suite B, Concord, CA 94520 | +1 925 2847336 | www.gogreenair.net | Enphase Energy, Inc., SolarEdge Technologies, Ltd. | |
| 33318 | United States | Green Air Solutions | 7329 Canoga Ave, Los Angeles, CA 91303 | +1 800 2058939 | www.gairsolutions.com | | |
| 33319 | United States | Green American Home | 8510 Industry Park Drive, Piqua, Ohio, 45356 | +1 888 7055656 | www.greenamericanhome.com | | |
| 33320 | United States | Green Audit USA | 74 Bridge Rd., Islandia, New York 11749 | +1 631 8134446 | https://www.greenauditusa.com | | |
| 33321 | United States | Green Bear Solar | | +1 800 4750181 | www.greenbearsolar.com | | |
| 33322 | United States | Green Box Solar, LLC | 981 S Main St, Ste 160 Logan, UT 84321 | +1 435 8903570 | https://greenbox-solar.com | | |
| 33323 | United States | Green Choice Solar | 4221 S. 36th Place Phoenix, AZ 85040 | +1 480 3982740 | www.greenchoicesolar.com | | SunPower Corp. |
| 33324 | United States | Green City Pros | 10101, Fondren Rd, Houston, Texas, 77096 | +1 832 8296152 | greencitypros.com/ | | |
| 33325 | United States | Green City Solar | 7900 Interstate Ct. North Fort Myers FL, 33917 | +1 239 3099566 | www.greencitysolar.net | | |
| 33326 | United States | Green Conception, Inc. | 263 W. Olive Ave #313, Burbank, CA 91502 | +1 818 8043132 | www.greenconception.com | LG Electronics, Inc., Silfab Solar Inc. | Enphase Energy, Inc. |
| 33327 | United States | Green Convergence | 28490 Westinghouse Pl. Suite 160, Santa Clarita, CA 91355 | +1 661 4915111 | www.greenconvergence.com | SunPower Corp. | |
| 33328 | United States | Green Dinosaur Inc | Culver City, CA | +1 213 4553311 | https://www.greendinosaur.org | | |
| 33329 | United States | Green Dragon Solar | | +1 916 2086825 | www.greendragonsolar.com | SMA Solar Technology AG | |
| 33330 | United States | Green Earth Energy | 381 New Road, Brandon, VT 05733 | +1 802 2471200 | greenearthenergyvt.com | | |