| 3631 | Belgium | Air Systems BVBA | Deurnsebaan 3, B-2170 Merksem | +32 3 4884406 | https://www.airsystems.be | | |
| 3632 | Belgium | Airbo bvba | Heihoekstraat 65, 9100 Nieuwkerken-Waas | +32 473 765434 | airbo.be | | |
| 3633 | Belgium | Alfasun / Alfacool | Mallaardstraat 9, 9400 Ninove | +32 54 245481 | www.alfasun.be | SMA Solar Technology AG, Fronius International GmbH, SolarEdge Technologies, Ltd. | |
| 3634 | Belgium | Algemene Dakwerken De Cock BVBA | Drieshoevestraat 12, B-2220 Heist-Op-Den-Berg | +32 15 345679 | https://www.algemenedakwerkendecock.be | | |
| 3635 | Belgium | Algemene Dakwerken Theunis Bvba | Bethaniastraat 8, 3440 Zoutleeuw | +32 1178 4507 | www.ruditheunis.be | | |
| 3636 | Belgium | Algemene Elektriciteitswerken Jasper | Schaagstraat 29, 8570 Anzegem | +32 477 474154 | https://elektriciteit-jasper.be | | |
| 3637 | Belgium | Alkatech | Industrieweg Noord 1118/2, B-3660 Oudsbergen | +32 486 115923 | www.alkatech.be | | |
| 3638 | Belgium | All Solar | Beloftestraat 40, 8680 Koekelare | +32 477 664813 | www.allsolar.be | | |
| 3639 | Belgium | Alrasol Energy BVBA | Smissebroekstraat 63, 3830 Wellen | +32 12 458722 | www.alrasol.be | | |
| 3640 | Belgium | Alter Energies Sprl | Rue des Gamelles, 5, 6741, Vance | +32 63 402744 | www.alter-energies.be | Steca Elektronik GmbH, Fimer S.p.A. | |
| 3641 | Belgium | AlterElectra BVBA | Karrewegstraat 102, 9800 Deinze | +32 9 2203561 | www.alterelectra.be | | |
| 3642 | Belgium | Alterpower | Kaulillerweg 18, 3950 Bocholt (België) | +32 471 854040 | www.barco-energy.be | | |
| 3643 | Belgium | Alyatech bvba | Sint-Jorisstraat 4, 2450 Meerhout | +32 477 677704 | https://www.alyatech.be | | |
| 3644 | Belgium | Ameel Koeltechniek Bvba | Houthulstseweg 69a, B-8920 Langemark-Poelkapelle | +32 490 443000 | www.ameel-technics.be | | |
| 3645 | Belgium | AMG Belgium | Route Zénobe Gramme 1, B-4890, Thimister-Clermont | +32 87 440044 | www.amgbelgium.be | | |
| 3646 | Belgium | Antoine Toitures s.c. | Rue de Bouillon 27 b, B.6700 Arlon | +32 63 218418 | www.antoinetoitures.be | | |
| 3647 | Belgium | APS SRPL | Rue de Momalle, 68 - 4347 Fexhe-le-ht-clocher | +32 4371 9442 | www.aps-liege.com | | |
| 3648 | Belgium | Aquation SA | Liège Airport, Bâtiment 52, 4460 Grâce-Hollogne | +32 4225 8318 | www.aquation.be | | |
| 3649 | Belgium | Aralt Solar Expertise | Luikersteenweg 697, Hasselt | +32 1161 1507 | https://www.aralt.biz | | |
| 3650 | Belgium | Ardenne Energie Sprl | Rue de la Liberté, 8, 6687, Bertogne | +32 495 241738 | www.ardenne-energie.com | | |
| 3651 | Belgium | Arkwabo | Moestoemaatheide 14A. 2260 Westerlo | +32 496 897372 | www.arkwabo.be | SMA Solar Technology AG, Enphase Energy, Inc. | |
| 3652 | Belgium | ARS-Dakwerken | Knokstraat 51, 9870 Zulte | +32 496 638090 | ars-dakrenovatie.be | | |
| 3653 | Belgium | Arsol Sprl | Chemin de Surister 11, 4910 Theux | +32 87 231133 | www.arsol.be | | |
| 3654 | Belgium | Aspeslagh | Industriezone De Tonne 61-65, 9800 Deinze | +32 9 3864936 | https://www.aspeslaghbvba.be | | |
| 3655 | Belgium | Atom Solar | Lindestraat 104, 9090 Melle | +32 49 4383088 | atom-solar.be | REC Group, Worldwide Energy and Manufacturing USA Co., Ltd (Amerisolar), Luxor Solar GmbH, AU Optronics Corporation, LG Electronics, Inc. | SMA Solar Technology AG |
| 3656 | Belgium | ATS bvba | Heikesveld 71, 3910 Neerpelt | +32 1136 2020 | www.atsbvba.be | | |
| 3657 | Belgium | Attentus | Kapelstraat 19, 2870 Puurs | +32 38 898489 | www.attentus.be | | |
| 3658 | Belgium | AVDE | Dieleghemdreef 20, 1090, Jette | +32 800 30123 | www.avde.be | | |
| 3659 | Belgium | Axenergy sprl | 114 rue Joseph ll, 1000 Bruxelles | +32 479 863375 | www.axenergy.be | | |
| 3660 | Belgium | B&M Invest | Bergjesbos 24, 8310 Bruges | +32 494 060775 | https://bnminvest.be | | |