| License holder company | Brand | License number |
|---|
| OEG Oel- und Gasfeuerungsbedarf | 4 Plus-Harfe | 011-7S1733F |
| Oventrop GmbH & Co. KG | OKP-20;OKP-10 | 011-7S524R |
| Energetyka Solarna ensol Sp. z.o.o. | ensol | 011-7S2978F |
| TML SRL | PBS180,PBS200,PBS210,PBS250,PBS260,PBS270 | 011-7S2969F |
| THINKTECH | THK M20 V,THK M25 V,THK M25 H | 011-7S2949F |
| LLCVist-Energy | P-G/0.8-T/L/LT-1.82;P-G/0.8-T/L/LT-2.80 | 011-7S2964F |
| Vesta Solar Heaters Ltd | Dedalos 1.5;Dedalos 1.7;Dedalos 2.0;Dedalos 2.5 | SK08055391501 |
| ITALTHERM S.p.A. | ITALTHERM | 011-7S2729F |
| EMMETI spa | Arcobaleno SXM | 011-7S1268F |
| Winkler Solar GmbH | VarioSol E 2x2 m | 011-7S630F |
| solardirekt24 GmbH | EUROTHERM SOLAR 20R;EUROTHERM SOLAR 30R | 011-7S2310R |
| Naked Energy Ltd | Virtu HOT | 011-7S2980R |
| Naked Energy Ltd | Virtu HOT HD | 011-7S2981R |
| Ariston Thermo S.p.A. | Ariston Kairos Thermo GR | 011-7S2814F |
| EBNER TECHNOLOGY KG des EBNER Markus & Co | EMTK202'TRENDSTAR';EMTK232'TRENDSTAR';EMTK252'TRENDSTAR';EMTK292'TRENDSTAR' | 011-7S2970F |
| Bosch Thermotechnik GmbH | Bosch | 011-7S2460R |
| Bosch Thermotechnik GmbH | Buderus | 011-7S2462R |
| Bosch Thermotechnik GmbH | Junkers | 011-7S2461R |
| Gasokol GmbH | sunWin 27V,sunWin 27H | 011-7S2500F |
| Jiangsu Micoe Solar Energy Co., Ltd | Micoe | C900236 |
SOLAR KEYMARK
