| 25981 | Spain | Cymimasa SL | Calle Vía de los Poblados, 9-11, 28033 Madrid | +34 916 593360 | cymimasa.com | | |
| 25982 | Spain | D-Sant 360 | Carrer Jaume Ferran s / n, 08140 Caldes De Montbui | +34 675 993061 | dsant360.net | | |
| 25983 | Spain | Dabitron Group | Santa Cruz de Tenerife, Tenerife, Canarias | | https://www.dabitrongroup.com | | |
| 25984 | Spain | DarLuz Eléctrica | c/ Obispo Vela 4, piso 3 | +34 644431835 | darluzelectrica.com | | |
| 25985 | Spain | Daysu Electricidade, S.L. | C/ Rosalia de Castro, 33, Cod. Postal: 27400, Monforte de Lemos, Lugo | +34 610 411869 | daysuelectricidade.es | | |
| 25986 | Spain | DEAM Electricidad y Electrónica | Crtra San Cristobal s/n, 40194 Palazuelos De Eresma | +34 652 804415 | www.deam.es | | |
| 25987 | Spain | Década Energética de Ingeniería, S.L. | Parque Empresarial Oeste, C/ Cristalería Nave 24, 11403, Jerez de la Frontera, Cádiz | +34 856 108844 | www.decadaenergetica.es | Victron Energy BV | |
| 25988 | Spain | Del Río Instalaciones, S.L. | Polígono Industrial Sobrarbe, Nave 10 Aínsa 22330 (Huesca) | +34 974 500287 | www.delrioinstalaciones.es | BYD Company Limited | Victron Energy BV, Kostal Solar Electric GmbH, Schneider Electric SA |
| 25989 | Spain | Del Valle Aguayo S.A. | Landaluzea, 10 (Jundiz Industrialdea), 01015 Vitoria - Gasteiz | +34 945 290045 | www.delvalleaguayo.com | | |
| 25990 | Spain | Denersa | Parque Virgen del Manzano nº 2, 09004, Burgos | +34 947 240900 | www.denersa.es | | |
| 25991 | Spain | Desolasol Sistemas S.L | c/ del Pi 5, 08840 Viladecans (Barcelona) | +34 931 373843 | www.desolasol.cat | | |
| 25992 | Spain | Detsun Energias Renovables | Calle Josep Ros i Ros 57, Pol. Ind. La Clota, 08740 Sant Andreu de la Barca | +34 932 656228 | www.detsun.com | | |
| 25993 | Spain | Dews Marine Electonics | Calle Soledad, San Antonio, Ibiza | +34 971 191959 | www.dewsmarine.com | OutBack Power | Rolls Battery Engineering |
| 25994 | Spain | Dhamma Energy | Calle Almagro, nº31 - 3ºdcha 28010 Madrid | +34 91 7817903 | www.dhammaenergy.com | | |
| 25995 | Spain | Digital Investigation Services | C/ Ponent 3B, Santa Ana, Es Castell, 07720 | +34 971 352438 | plumbingmenorca.com | | |
| 25996 | Spain | Dimarsa Energy Solutions | Calle Diseño 2, 41927 Mairena del Aljarafe | +34 955 123339 | dimarsa.net | | |
| 25997 | Spain | Despacho Ingeniería Proyectos SL | Avda. Electricitat, 19, 4º 4ª, 08191 Rubí, Barcelona | +34 93 5882532 | dipingenieria.com/ | | |
| 25998 | Spain | Diresa Solar S.L. | Ctra Antigua de Yepes km.1, 45300 Ocaña (Toledo) | +34 925 120611 | www.diresasolar.com | Suntech Power Co., Ltd., Sharp Energy Solutions Europe | Ingeteam Power Technology Energy SA, Studer Innotec, KACO New Energy GmbH, Sharp Energy Solutions Europe |
| 25999 | Spain | Disefi Renovables | Calle Kripton, 18, 47012 Polígono San Cristobal, Valladolid | +34 983 040354 | www.disefi.es | | |
| 26000 | Spain | DISEÑOS Y Proyectos Reunidos, S.A. | C/ Fuencarral 45, 5ª planta, 28004 Madrid | +34 91 5310606 | www.diseprosa.com | | |
| 26001 | Spain | Dismad Energía | Parque Empresarial Puerta de las Naciones, 28042, Madrid | +34 602 416064 | www.dismad.com | | |
| 26002 | Spain | Distribuciones Integrales y Eficientes SL | Calle Alenza, 1 28003 Madrid | +34 633 804364 | www.gasfriocalor.com | | |
| 26003 | Spain | Domini Ambiental SL | PI Santa Anna I, BV-4511 Km. 4.2, 08251, Santpedor, Barcelona | +34 938 321791 | dominiambiental.com | | Sharp Energy Solutions Europe, LSIS Co., Ltd |
| 26004 | Spain | Domoelectric Mallorca | calle Mimosa 5. Alcúdia | +34 656 444934 | https://domoelectricmallorca.es | | |
| 26005 | Spain | Domosolar | C/ Vicente Martí 41, Ceutí, 30562, Murcia | +34 627 970351 | domosolar.com | Victron Energy BV | |
| 26006 | Spain | Domtesol | | +34 955 098251 | www.domtesol.es | Recosun Solar S.L.U | SMA Solar Technology AG, Fronius International GmbH |
| 26007 | Spain | Domus Ingeniería Energética, SL | Avda. San Luis de Cuba 11-D, P.I. Finca Lacy, 03600, Elda, Alicante | +34 965 380340 | www.domus-ie.com | | |
| 26008 | Spain | Diseños y Proyectos Energéticos Prometeo, SL | Travesia Carretera de Nules 7, 12530, Burriana, Castellon | +34 964 510957 | www.dpeprometeo.com | | |
| 26009 | Spain | E4e Soluciones | Calle Joaquín María López 23, sótano 228015, Madrid | +34 918 119224 | www.e4e-soluciones.com | Ingeteam Power Technology Energy SA, SMA Solar Technology AG, Fronius International GmbH, SolarEdge Technologies, Ltd., Power Electronics S.L., Huawei Technologies Co., Ltd. | |
| 26010 | Spain | Electricidad Alternativa Solar S.L. | Industrial "El Salvador" V Avenue, PO Box 36 Plot, 66, 02630 La Roda Albacete | +34 967 443180 | www.easroda.com | | |