| Company name | Reg. code |
|---|---|
| TREKOMER OÜ | 16884701 |
| TREGOMAR OÜ kustutatud | 12078792 |
| TREKOLEN OÜ | 12888290 |
| TREKSER OÜ | 16409795 |
| TREKOLEN PRO OÜ | 17234400 |
| TREAMER ESTONIA OÜ | 14805983 |
| TREKKER MARKET OÜ kustutatud | 11664370 |
| TREIMER EHITUSE OÜ kustutatud | 10097986 |
| TREMER TRADE OÜ (former name Tremer Trade UÜ) | 14658157 |
| K-U TREIMER OÜ | 10097970 |
| TRADOMER OÜ | 10510893 |
| TERMOMER OÜ | 17464212 |
| TELOMER OÜ | 14888383 |
| TEKAMER OÜ | 11294387 |
| REMOMER OÜ | 14222187 |
| EKOMER OÜ | 14656796 |
| TRIOMER PLUSS OÜ kustutatud | 12078970 |
| REVOMER EHITUS OÜ (former name Revomer Ehitus UÜ) | 16939506 |
| TROMER GROUP OÜ | 11535945 |