| Systrarna Magnolia AB | Nyköping | 0 tkr |
| Tältuthyrning i Nyköping AB | Nyköping | 0 tkr |
| Tandhälsan Lagnöhed AB | Nyköping | 0 tkr |
| Tandläkare Mats Benthe Aktiebolag | Nyköping | 0 tkr |
| Tanjek AB | Nyköping | 0 tkr |
| Tankenötter AB | Stjärnhov | 0 tkr |
| Taxi Nyköping - Oxelösund Holding AB | Nyköping | 0 tkr |
| TBH Swenzon Data o Konsult AB | Nyköping | 0 tkr |
| TCS Holding AB | Nyköping | 0 tkr |
| TD Producer AB | Nyköping | 0 tkr |
| Tea Time AB | Nyköping | 0 tkr |
| Tebemans AB | Nyköping | 0 tkr |
| TeinInvest AB | Oxelösund | 0 tkr |
| TGF i Sverige AB | Stockholm | 0 tkr |
| Thomas Signal Konsult AB | Nyköping | 0 tkr |
| Tjuvholmens Transport AB | Nyköping | 0 tkr |
| TLW INTERNATIONAL AB | Nyköping | 0 tkr |
| TNF Inexa Holding AB | Stockholm | 0 tkr |
| TÖK AB | Stockholm | 0 tkr |
| Toltorp Bygg Intressenter AB | Nyköping | 0 tkr |
| Torngrund Gonäs AB | Nyköping | 0 tkr |
| Torngrund Group AB | Nyköping | 0 tkr |
| Torngrund Holding AB | Nyköping | 0 tkr |
| Totalmek i Nyköping Aktiebolag | Stigtomta | 0 tkr |
| Tove Forsberg Holding AB | Nyköping | 0 tkr |
| T-Petersson Holding AB | Nyköping | 0 tkr |
| TreBee Förvaltning AB | Nyköping | 0 tkr |
| Trim-Centrum Trosa Aktiebolag | Trosa | 0 tkr |
| Trippel A Holding AB | Nyköping | 0 tkr |
| Trivium HVB AB | Borlänge | 0 tkr |
| Trixie Karin AB | Skärblacka | 0 tkr |
| Trosalundsberget Holding AB | Stockholm | 0 tkr |
| Trumptorp Holding AB | Stockholm | 0 tkr |
| Tuka Holding AB | Stockholm | 0 tkr |
| Tunabergs Konsult AB | Nyköping | 0 tkr |
| Tuppstugan Förvaltning AB | Nyköping | 0 tkr |
| TurnMill Group AB | Finspång | 0 tkr |
| UGU Administration och Förvaltning Aktiebolag | Nyköping | 0 tkr |
| ULundgren AB | Nyköping | 0 tkr |
| Uniqbread Scandinavia AB | Nyköping | 0 tkr |
| Unitum AB | Nyköping | 0 tkr |
| Up Productions AB | Lidingö | 0 tkr |
| Ur Light AB | Nyköping | 0 tkr |
| URMA AB | Bettna | 0 tkr |
| Ursus Förvaltnings AB | Stockholm | 0 tkr |
| Vagnhärad Matmarknad AB | Gnesta | 0 tkr |
| VARF AB | Nyköping | 0 tkr |
| VBM Invest AB | Nyköping | 0 tkr |
| VB Stars AB | Stockholm | 0 tkr |
| Vibekes AB | Nyköping | 0 tkr |