| 33061 | United States | Fresh Energy Systems, LLC | 14106 Olympic Blvd, Clearlake, CA 95422 | +1 707 9952804 | https://fresh-energy-systems.com | | |
| 33062 | United States | Fresno Home Performance | | | www.fresnohomeperformance.com | | |
| 33063 | United States | Fresno Solar Maintenance | 2607 W Shaw, Suite 116, Fresno, CA 93711 | +1 559 3358200 | https://solarmaintenancefresno.com | | |
| 33064 | United States | Fresno Solar Panel Services | Fresno, CA 93722 | +1 559 2060607 | https://www.solarpanelfresno.com | | |
| 33065 | United States | Frey Electric | 100, Pearce Avenue, Tonawanda, NY, 14150 | +1 716 8741710 | frey-electric.com | | |
| 33066 | United States | Friedman Electric | 610 W Pine St Athens, PA 18810-1341 | +1 570 8829640 | https://www.friedmanelectric.com | SMA Solar Technology AG | |
| 33067 | United States | Friends of the Sun | 159 Depot Street, Manchester, VT 05255 | +1 800 6392603 | www.greenmountainhearth.com | | |
| 33068 | United States | Frisco Green Energy | 2665 Villa Creek Drive Suite A127 Dallas, TX 75234 | +1 214 3893200 | friscogreenenergy.com | | |
| 33069 | United States | Frisco Roofing Company | 11625 Custer, Rd Ste 110 – 128 Frisco | +1 972 9791070 | friscoroofingpro.com | | |
| 33070 | United States | Fritts Solar Co. | 64 E Broadway Rd, Suite 200, Tempe, AZ, 85282 | +1 844 4374887 | https://frittssolar.com | | Enphase Energy, Inc. |
| 33071 | United States | Fronius Electric | East Falmouth, MA 02536 | +1 508 4448144 | https://froniuselectric.com | | |
| 33072 | United States | Frontenac Roofing Co. | Kingston | +1 613 5369345 | www.frontenacroofing.com | | |
| 33073 | United States | Frontline Contractors | 21063 Trappe Road, Upperville, VA 20184 | | www.frontlinecontractors.com | | |
| 33074 | United States | Front Range Renewable Energy | Deming, NM 88030 | +1 303 7757083 | www.frontrangere.com | | |
| 33075 | United States | Frugll Inc. | 777 W 12th St, Ogden UT 84404 | +1 808 3540616 | https://www.frugll.com | | |
| 33076 | United States | Fail Safe Electric Company, LLC | 790 Royal St. George Dr Ste 141 #131 Naperville, IL.60563 | +1 630 2435833 | https://failsafeelectric.com | | |
| 33077 | United States | Five Star Electric | 19424 Park Row, Ste. 100 Houston, TX 77084 | +1 281 4927090 | vfd.com | | |
| 33078 | United States | Facility Solutions Group | 4401 Westgate Blvd, Su 310, Austin, TX 78745-1494 | +1 512 4407985 | https://www1.fsgi.com | | |
| 33079 | United States | FSi Consulting Engineers | 506 Second Avenue, Suite 700, Seattle, Washington 98104 | +1 206 6223321 | https://fsi-engineers.com | | |
| 33080 | United States | FTC Solar Inc. | 44 Montgomery St., 3rd Fl, San Francisco, CA 94104 | | www.ftcsolar.com | | |
| 33081 | United States | Full Spectrum Solar | 1240 E Washington Avenue, Madison, WI 53703 | +1 608 2849495 | www.fullspectrumsolar.com | | |
| 33082 | United States | Fuller Electric, Inc. | 1220 South 356th St, Suite A5, Federal Way, WA, 98003 | +1 253 6617181 | www.fullerelec.com | | |
| 33083 | United States | Fullers Energy | 7 Deer Path Court, Oxford, NJ 07863 | +1 908 8572179 | fullersenergy.com | Enphase Energy, Inc. | |
| 33084 | United States | Fullmer Construction | 1725 South Grove Ave. Ontario, CA 91761 | +1 909 9479467 | www.fullmerco.com | | |
| 33085 | United States | Fun In The Sun Pool Heating, Inc. | 6729 Edgewater Commerce Pkwy, Orlando, FL 32810 | +1 407 6965292 | www.funinthesunsolar.com | Hanwha Q CELLS GmbH, Panasonic Corporation (Sanyo), LG Electronics, Inc. | SMA Solar Technology AG, SolarEdge Technologies, Ltd. |
| 33086 | United States | Fuquay Electric | | +1 910 7290220 | www.fuquaysolar.com | | |
| 33087 | United States | Fusion Power | 1465 N Fiesta Blvd#106, Gilbert, AZ 85233 | +1 480 6761433 | fusionpowerco.com | | |
| 33088 | United States | Future Energy Savers | 8980 Grant Line Road, Elk Grove, CA 95624 | +1 888 2582120 | www.energysavers.com | | |
| 33089 | United States | Future Vision Remodeling, Inc. | 1999 South Bascom Ave., #700 Campbell, CA 95008 | +1 877 6995487 | futurevisionremodeling.com | | |
| 33090 | United States | Futureview Solar Solutions | 3 E Roosevelt Ave, Elysburg, PA 17824 | +1 800 2014050 | futureviewsolar.com | | |