| 32311 | United States | Design Build Electric | 2514 Jamacha Rd, #502 El Cajon, CA 92019 | +1 619 3336703 | designbuildelectric.com | | |
| 32312 | United States | Design Electric | 39 Wyoming Street, Pleasanton, CA 94566 | +1 925 8460650 | www.designelectriccompany.com | | |
| 32313 | United States | Design Electric LLC | 2340 20 1/4 St Rice Lake, WI 54868 | +1 715 2052274 | https://www.designelectricbrent.com | | |
| 32314 | United States | Design Energy, LLC | 421 W. State Street, Columbus OH 43215 | +1 614 5073073 | design-energy.net | | |
| 32315 | United States | Design Pro Electronics | 634 Elkton Dr., Colorado Springs, CO 80907 | +1 719 5983933 | https://designproelectronics.com | | |
| 32316 | United States | Design Systems, Inc. | 38799 West 12 Mile Road Farmington Hills, MI 48331 | +1 800 6604374 | www.dsidsc.com | | |
| 32317 | United States | Desire Solar | Dallas, Texas | +1 267 2336013 | desiresolar.com | | |
| 32318 | United States | Devault Electric | 3900 N. Stockton Hill Rd., Suite B 419, Kingman, AZ 86409 | +1 928 7577767 | devaultelectric.com | | |
| 32319 | United States | Devlin Construction & Maintenance | 86 Finnell Dr Suite 21, Weymouth, MA 02188 | +1 781 8120240 | www.devlininc.com | | |
| 32320 | United States | DeWalt Solar | Austin, Texas | +1 512 9259331 | https://dewaltsolar.com | | |
| 32321 | United States | DFW Best Roofing | 6709 Starnes Rd, North Richland Hills, TX 76182 | +1 817 3816855 | www.dfwbestroofing.com | | |
| 32322 | United States | DFW Solar Electric, LLC | 2201 Long Prairie Rd., Suite 107-763 Flower Mound, TX 75022 | +1 972 8277651 | dfwsolarelectric.com | | |
| 32323 | United States | DG Heating & Air Conditioning | 1040, Commercial St, Suite 104, San Jose, CA, 95112 | +1 408 6693496 | dgheatingandair.com/ | | |
| 32324 | United States | DG Solar | 2005 Sprucewood Drive, Greensboro, NC 27407 | +1 336 4046209 | dgsolar1.com | | |
| 32325 | United States | DH Electric, Inc. | Washburnville, UT 84754 | +1 435 9799381 | https://dhelectricinc.net | | |
| 32326 | United States | DH Remodel Services & Solar | 5636 West 6th Street, Los Angeles, CA 90036 | +1 213 4373004 | dhremodelservices.com | | |
| 32327 | United States | Diablo Integrated Construction & Solar | California | +1 925 4518564 | diabloics.com | | |
| 32328 | United States | Diablo Solar Services, Inc. | 5021, Blum Road #2, Martinez, California, 94553 | +1 925 3130600 | www.diablosolar.com | SMA Solar Technology AG, Enphase Energy, Inc., SolarEdge Technologies, Ltd. | |
| 32329 | United States | Diamond Solar, Inc. | 12517, Sherman Way Blvd Unit D, North Hollywood, CA, 91605 | +1 818 7462140 | https://www.diamondsolarinc.com | Panasonic Corporation (Sanyo), Hyundai Energy Solutions, LG Electronics, Inc., Mission Solar Energy | Enphase Energy, Inc., SolarEdge Technologies, Ltd. |
| 32330 | United States | Dickson Electric LLC | P.O. Box 778, Monroe, WA 98272 | +1 360 5684572 | https://www.dicksonelectricllc.com | | |
| 32331 | United States | Diersing Electric | Anaheim CA | +1 714 7495871 | ocelectrician.net | | |
| 32332 | United States | Donald D. Diffenbaugh Construction, Inc. | Jamul, CA 91935 | +1 619 6541375 | www.diffenbaughconstruction.com | | |
| 32333 | United States | Dils Roofing | 2230 La Mirada Dr, Vista, CA 92081 | +1 800 5017663 | www.dilsroofing.com | | |
| 32334 | United States | Dilts Enterprises, LLC | 108 Towne Hill Drive, Zelienople, PA 16063 | +1 724 4527644 | diltsllc.com | | |
| 32335 | United States | Direct Electric Hawaii | 94-344 Ukee St #2, Waipahu, HI 96797 | +1 808 5542572 | directelectrichawaii.com | | |
| 32336 | United States | Direct Energy | 150 E 52nd St #1501, New York, NY 10022 | +1 866 3484193 | www.directenergy.com | | |
| 32337 | United States | Direct Energy Solar | | +1 888 3087853 | www.directenergysolar.com | | |
| 32338 | United States | Direct Stream 365 | 16518 Twin Fox, San Antonio, TX 78247 | +1 210 5702449 | https://directstream365.com | | |
| 32339 | United States | Dirt-Free Power, Inc. | 2030 Main Street, Suite 1300 Irvine, CA 92614 | +1 844 34783733 | www.dirtfreepower.com | | |
| 32340 | United States | Discount Installation Services | 10095 Scripps Ranch Court, San Diego, CA 92131 | +1 800 9959965 | installationservicesofsandiego.com | | |