| Ola Marcus AB | Jönköping | 0 tkr |
| Ola Thorwalls Holding AB | Jönköping | 0 tkr |
| Olesiska AB | Nässjö | 0 tkr |
| Olgas Crêpes & Gelato AB | Jönköping | 0 tkr |
| Olicar Invest AB | Vetlanda | 0 tkr |
| Oligo AB | Korsberga | 0 tkr |
| Ölmstad Bimaterial AB | Gränna | 0 tkr |
| Olmstad Holding AB | Gränna | 0 tkr |
| Olocon Holding AB | Habo | 0 tkr |
| Olof Mattsson VVS AB | Huskvarna | 0 tkr |
| Olsborg Invest AB | Jönköping | 0 tkr |
| Olsterik AB | Smålandsstenar | 0 tkr |
| OMEGA MY AB | Jönköping | 0 tkr |
| ÖM Invest Ett AB | Aneby | 0 tkr |
| ÖM Invest Två AB | Aneby | 0 tkr |
| Omsorgsskolan i Sverige AB | Anneberg | 0 tkr |
| Oncavia Alturas AB | Bankeryd | 0 tkr |
| One S only AB | Broaryd | 0 tkr |
| Önnekvarn Fastigheter AB | Smålandsstenar | 0 tkr |
| Önnemovägen Invest AB | Skillingaryd | 0 tkr |
| ON Point AB | Gnosjö | 0 tkr |
| Önska i Borås AB | Gislaved | 0 tkr |
| Ö&Ö Group AB | Tranås | 0 tkr |
| Opalen SR AB | Jönköping | 0 tkr |
| Opalen TR AB | Jönköping | 0 tkr |
| Opalgatan MR AB | Jönköping | 0 tkr |
| OPG Sydost Förvaltning AB | Jönköping | 0 tkr |
| Opphems skog & lantbruk AB | Hestra | 0 tkr |
| OPS Invest AB | Tenhult | 0 tkr |
| OptiBinary AB | Eksjö | 0 tkr |
| Optipool Aktiebolag | Vetlanda | 0 tkr |
| OptoComp Holding AB | Gislaved | 0 tkr |
| Oramac AB | Grimstorp | 0 tkr |
| Örebergs Bygg AB | Hillerstorp | 0 tkr |
| Orenda AB | Jönköping | 0 tkr |
| Orion Plastinject Group AB | Bredaryd | 0 tkr |
| Oroen AB | Jönköping | 0 tkr |
| Orongo AB | Jönköping | 0 tkr |
| Örserums Åkeri Aktiebolag | Gränna | 0 tkr |
| Ortopedkonsult Åke Deiver Aktiebolag | Oskarshamn | 0 tkr |
| Oscar Broling i Smedjebo AB | Åsenhöga | 0 tkr |
| O.S.H Invest Bankeryd AB | Bankeryd | 0 tkr |
| Oskar Alvarsson i Vetlanda AB | Vetlanda | 0 tkr |
| Oskar Bofeldt AB | Nässjö | 0 tkr |
| Oskar Brattberg AB | Bankeryd | 0 tkr |
| Oskar J Ekengren AB | Vartofta | 0 tkr |
| Oskar Knutsson Invest AB | Lekeryd | 0 tkr |
| Oskars Rör AB | Aneby | 0 tkr |
| Oskar Sture Invest AB | Forserum | 0 tkr |
| O.S.L.C AB | Åsenhöga | 0 tkr |