| Company | Account holder number (AIB code) |
Type |
| Axpo Solutions AG | 20XAXPOSK3 | Supplier |
| CBA VEREX, a.s. | 20XCBAVERG | Supplier |
| ČEZ, a.s. | 20XCEZCZAS | Supplier |
| ČEZ Distribučné sústavy a.s. | 20XCEZDSA9 | Supplier |
| ELGAS, k.s. | 20XELGASK4 | Supplier |
| Energie2, a.s. | 20XENERG26 | Supplier |
| ENERGY DISTRIBUTION, s.r.o. | 20XENEDIS4 | Supplier |
| EP ENERGY TRADING, a.s., organizačná zložka | 20XEPETSKM | Supplier |
| EUROPA SC a.s. | 20XEUROSCZ | Supplier |
| G&E Trading, a.s. | 20XGANDETX | Supplier |
| GEON, a.s. | 20XGEONASE | Supplier |
| Greenlogy a.s. | 20XGREENLX | Supplier |
| HEC Services II, s. r. o. | 20XHECSK2X | Supplier |
| HEC Services, s. r. o. | 20XHECSK1Z | Supplier |
| ISTROCENTRUM s. r. o. | 20XISTROC9 | Supplier |
| KLF-ENERGETIKA, a.s. | 20XKLFENEE | Supplier |
| KRON ENERGY, s. r. o. | 20XKROENE5 | Supplier |
| Lakeside Office 1, a. s. | 20XLAKEO1Z | Supplier |
| Lindner Immo Slovakia s.r.o. | 20XLINIMSG | Supplier |
| MAGNA ENERGIA a.s. | 20XMAGNAES | Supplier |
| MET Slovakia, a.s. | 20XMETSLOA | Supplier |
| Metsa Tissue Slovakia s.r.o. | 20XMETSSAH | Supplier |
| Mondi SCP, a.s. | 20XMONSCP5 | Producer |
| Mondi SCP, a.s. | 20XMONSCP5 | Supplier |
| Obchodné centrum ZORA, spol. s r.o. | 20XOCZORA4 | Supplier |
| OC PREŠOV, s.r.o. | 20XOCPRES9 | Supplier |
| OKTE, a.s. | 20XOKTEAS5 | Market operator |
| Pow-en a. s. | 20XPOWENAS | Supplier |
| Power Solutions, s.r.o. | 20XPOWSOLJ | Supplier |
| PPA Power DS s.r.o. | 20XPPAPDSA | Supplier |
| Priemyselný park Poprad, s.r.o. | 20XPPPSROX | Supplier |
| RAVEN a.s. | 20XRAVENAV | Supplier |
| RIGHT POWER, a.s. | 20XRIGPOW3 | Supplier |
| SLOVAKIA ENERGY, s.r.o. | 20XSLOENEL | Supplier |
| Slovenské elektrárne - energetické služby, s.r.o. | 20XSELENSE | Supplier |
| Slovenské elektrárne, a.s. | 20XSLOELER | Producer |
| Slovenské elektrárne, a.s. | 20XSLOELER | Supplier |
| Slovenský plynárenský priemysel, a.s. | 20XSPPAASJ | Supplier |
| Smart Energy Contractor SEC, a.s. | 20XSECSKAC | Supplier |
| Stredoslovenská energetika, a.s. | 20XSSENAS4 | Trader |
| TWINLOGY, s.r.o. | 20XTWINSKN | Supplier |
| V-Elektra Slovakia, a.s. | 20XVELESKU | Supplier |
| VODOHOSPODÁRSKA VÝSTAVBA, ŠTÁTNY PODNIK | 20XVVBSKKI | Supplier |
| VODOHOSPODÁRSKA VÝSTAVBA, ŠTÁTNY PODNIK | 20XVVBSKKI | Producer |
| Východoslovenská energetika, a.s. | 20XVSENASJ | Supplier |
| ZSE Energia, a.s. | 20XZSEENEG | Producer |
| ZSE Energia, a.s. | 20XZSEENEG | Supplier |