| Spånga Volt AB | Stockholm | 0 tkr |
| S-pellets AB | Tystberga | 0 tkr |
| SPETTIS AB | Nyköping | 0 tkr |
| Stadsudden Asken 2 AB | Stockholm | 0 tkr |
| STALL 99 AB | Nyköping | 0 tkr |
| Stationsfastigheter i Nyköping AB | Nyköping | 0 tkr |
| Stefan Englund Holding AB | Nyköping | 0 tkr |
| Stenkil Holding AB | Nyköping | 0 tkr |
| Stenvik OXD AB | Stockholm | 0 tkr |
| Stetson AB | Nyköping | 0 tkr |
| STIGTOMTA INVEST AB | Nyköping | 0 tkr |
| Stora Hotellet i Nyköping Förvaltning AB | Nyköping | 0 tkr |
| Stora Marsäng Holding AB | Nyköping | 0 tkr |
| Stora Stygga AB | Nyköping | 0 tkr |
| Storgatan ett i Nyköping Fastighet AB | Björkvik | 0 tkr |
| Storköksgruppen Invest AB | Nyköping | 0 tkr |
| Storstor AB | Stigtomta | 0 tkr |
| Strike It AB | Nyköping | 0 tkr |
| Strimlusen Förvaltnings AB | Nyköping | 0 tkr |
| Strossen AB | Nyköping | 0 tkr |
| Studio Tartib AB | Tierp | 0 tkr |
| Studsvik Instrument Systems Aktiebolag | Nyköping | 0 tkr |
| success by lönnmo AB | Nyköping | 0 tkr |
| Sundbergs förvaltning i Nyköping AB | Ydre | 0 tkr |
| Sundbergs Isolerings Aktiebolag | Stigtomta | 0 tkr |
| Suneco AB | Nyköping | 0 tkr |
| SunnaPharm AB | Nyköping | 0 tkr |
| Supersonic Savings AB | Nyköping | 0 tkr |
| Svansta Holding AB | Nyköping | 0 tkr |
| Svärdsklova SkärgårdsFastighet AB | Nyköping | 0 tkr |
| Svarvargatan AB | Nyköping | 0 tkr |
| Sveadanerna Food AB | Nyköping | 0 tkr |
| Svenska Octav AB | Nyköping | 0 tkr |
| Swedish marine & air consult AB | Nyköping | 0 tkr |
| Sweet Café Sweden AB | Oxelösund | 0 tkr |
| Swe Flights AB | Nyköping | 0 tkr |
| Systrarna JB AB | Nävekvarn | 0 tkr |
| 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 |