| Company name | Reg. code |
|---|---|
| HIC OÜ | 14850601 |
| HIC DESIGN OÜ | 16106048 |
| HIC ET NUNC OÜ kustutatud | 12299103 |
| HIC SUNT LEONES OÜ | 17437988 |
| TOOMPARGI VAIMSE TERVISE KESKUS OÜ (former name hic Trading OÜ) | 11910886 |
| HICARE OÜ | 17240582 |
| HICYRUS OÜ kustutatud | 16274260 |
| HICLEAN OÜ | 16831985 |
| JUSCA HICORA OÜ (former name CarBuy OÜ) | 14934507 |
| HICKORYSOFT OÜ kustutatud | 12253025 |
| HICLEAN EXPERT OÜ kustutatud | 12574522 |
| HICKORY FURNITURE OÜ | 14520016 |
| HEALTHCARE INVESTMENT AND CONSULTING INTERNATIONAL HICI OÜ | 11536420 |
| HIU-HIU OÜ | 14072167 |
| HCI OÜ | 16994422 |
| HIB OÜ | 16116006 |
| RIC OÜ | 14460515 |
| TIC+ OÜ | 12146513 |
| HIN OÜ | 16457144 |
| HBC OÜ | 10648357 |
| HQC OÜ | 16078599 |
| HDC OÜ kustutatud | 11293844 |
| VIC OÜ | 12764566 |
| HDC OÜ kustutatud | 14925457 |
| HIS OÜ kustutatud | 10386288 |
| AIC OÜ | 12217414 |
| GSJM BIC OÜ | 14560731 |
| HOC FINTECH OÜ | 17017625 |
| AD HOC OÜ kustutatud | 10174853 |
| HBC BUSINESS OÜ kustutatud | 14801382 |
| HIL-SAM OÜ | 14058687 |
| IHC TELEMED OÜ | 17410156 |
| AIC TRAVEL OÜ | 17445213 |
| CHIC BOUTIQUE OÜ kustutatud | 12295058 |
| HIT HUNTERS OÜ | 17160647 |
| NIC TRADE OÜ | 14711101 |
| HLC EUROPE OÜ | 17256011 |
| HOC-GROUP OÜ kustutatud | 14989799 |
| HVC INVEST OÜ | 16415855 |
| HIA PRODUCTION OÜ | 16964303 |
| AROMA HIM OÜ kustutatud (former name Ronto Metall OÜ) | 14289464 |
| HCC SOLUTIONS OÜ kustutatud | 12296224 |
| HDC CONSULT OÜ | 17099818 |
| AIC CABINS OÜ kustutatud | 11507736 |
| SIMVA CHIC OÜ (former name OÜ Simvachic) | 16432701 |
| NUOVO CHIC OÜ | 16346953 |
| HIT ENTERTAINMENT OÜ kustutatud | 16384089 |
| HIT REFRESH OÜ kustutatud | 16244559 |
| HSC INVEST OÜ | 17231850 |
| N-BIC OÜ kustutatud | 14349663 |