| 38041 | United States | Wright Architects, PLLC | 233 Fair Street Kingston, NY 12401 | +1 845 3383383 | wrightarchitectspllc.com | | |
| 38042 | United States | Wright Solar Energy LLC. | 3740 Colony Drive STE 240 San Antonio, Texas 78230 | +1 210 3858764 | www.wrightsolarenergy.com | | |
| 38043 | United States | Wright-Way Services | 12863 CR-192, Tyler, Texas 75703 | +1 903 5615191 | www.wright-way.com | | |
| 38044 | United States | Wholesale Solar Construction | 1169 Hilltop Drive, Redding, CA 96003 | +1 530 3382425 | https://www.wsc.solar | | |
| 38045 | United States | WTEC | 777 Terrace Avenue, Suite 101, Hasbrouck Heights, NJ 07604 | +1 201 2429906 | www.wtecenergy.com | | |
| 38046 | United States | Wulfekuhle Electric LLC | 208, Lexington St, Delhi, IA, 52223 | +1 563 6086033 | https://www.wulfekuhleelectric.com | Enphase Energy, Inc. | |
| 38047 | United States | WV Sunshine Solar Electric | Westlake Village, California | +1 805 2209442 | www.solarcompanywestlakevillage.com | | |
| 38048 | United States | World Wind & Solar | 228 W Tehachapi Blvd, Tehachapi, CA 93561 | +1 661 8224877 | worldwindsolar.com | | |
| 38049 | United States | WyCO Wind and Solar Inc. | 115 W 6th Street, Ste A, Cheyenne, WY, 82007 | +1 307 2860484 | www.wycowindandsolar.com | | |
| 38050 | United States | Wynndel Electric | | +1 250 4281757 | https://wynndelelectric.com | | |
| 38051 | United States | Xando Energy | 13245 Tamiami Trail E., Naples, FL 34114 | +1 239 3009115 | www.xandoenergy.com | | |
| 38052 | United States | Xcel Energy Inc. | | +1 800 8954999 | www.xcelenergy.com | | |
| 38053 | United States | XeroSolar | 358 Coral Circle, El Segundo, CA 90245 | +1 310 7988740 | xerosolar.com | SunPower Corp. | |
| 38054 | United States | XMX Power | 4141 Kekaulike Ln, Princeville, HI 96722 | +1 808 6515886 | www.xmxpower.com | | |
| 38055 | United States | Xtiroyal Solar Energy Solutions LLC | 511 N. Reilly Rd, Fayetteville, NC 28303 | +1 703 3329940 | www.xtiroyalsolarenergy.com | | |
| 38056 | United States | Y And C Construction Inc. | 12047 Califa St, 91607 CA | +1 855 3787937 | www.yandcconstruction.com | | |
| 38057 | United States | Yake Solar Power Corp. | 11098 Biscayne Boulevard, Suite 307 Miami, Fl 33161 | +1 786 3346448 | www.yakesolar.com | | |
| 38058 | United States | Yancey Home Improvements Inc | 8250 Alpine Avenue, Suite D, Sacramento, CA 95826 | +1 916 4557730 | www.yanceyhomeimprovements.com | | |
| 38059 | United States | Yarotek | 800 SE 4th Ave. Ste. 706 Hallandale Beach, FL. 33009 | +1 305 5033053 | https://www.yarotek.com | | |
| 38060 | United States | Yeager Roofing | 3651 Madison Carrollton, Michigan 48724 | +1 989 4014772 | https://www.yeagerroofing.com | | |
| 38061 | United States | Yellow Springs Solar | 477 E Yellow Springs Fairfield Rd., Yellow Springs, OH, 45387 | +1 937 2064632 | yellowspringssolar.com/ | | |
| 38062 | United States | YellowBird Solar | 351 N 17th St., Suite 2, Las Cruces, NM 88005 | +1 575 4493565 | https://yellowbirdsolar.com | | |
| 38063 | United States | YellowLite Inc. | 1925 St Clair NE, Suite #250, Cleveland, Ohio, 44114 | +1 216 3331364 | www.yellowlite.com | | SunPower Corp., Canadian Solar Inc., LG Electronics, Inc. |
| 38064 | United States | Yacht Electronics Systems LLC | 7416 Edgewood Road, Building 7401, Suite 1 Annapolis, Maryland 21403 | +1 410 2686977 | www.yachtelectronicssystems.com | | |
| 38065 | United States | Yes Solar Solutions | 202 N. Dixon Ave., Cary, NC 27513 | +1 919 4594155 | https://www.yessolarsolutions.com | | |
| 38066 | United States | Yesterday/Today Electric, Solar LLC | Timothy Lake Road, East Stroudsburg, PA 18302 | +1 570 4314231 | https://electrician-panj-yesterdaytoday-el... | | |
| 38067 | United States | Yorkshire Roofing & Roofmax Solar | 7610 National Drive, Livermore, CA 94550 | +1 925 6066700 | yorkshirebayareasolar.com | | |
| 38068 | United States | You Construction Inc. | 6400, Baltimore National Pike, Unit #252, Catonsville, Maryland, 21228 | +1 443 3789572 | 4youcompany.com/ | | |
| 38069 | United States | You Power | 740, Garden View Ct, Ste 206, Encinitas, CA, 92024 | +1 760 5857000 | www.myyoupower.com | | |
| 38070 | United States | Young Electric Company | 3907 Dodds Avenue, Chattanooga, TN 37407 | +1 423 8679324 | youngelectric.net | | |