17 houses · click a column to sort
| House | Type | Country | Founded | Headquarters | Founders | Group |
|---|---|---|---|---|---|---|
 O bag | Clothing company | Italy | 2009 | Campodarsego | — | — |
| OPOccult Patches & Pins | Clothing company | United Kingdom | 2019 | Manchester | — | — |
| OKOctonek Knitting Company | Clothing company | United States | 1913 | Seattle | — | — |
 Off-White | Fashion label | Italy | 2012 | Milan | Virgil Abloh | Bluestar Alliance |
| OIOilily | Clothing company | Netherlands | 1963 | Alkmaar | Willem Olsthoorn, Marieke Olsthoorn | — |
 Old Bull Lee | Clothing company | United States | 2012 | Manhattan Beach | — | — |
 Old Navy | Clothing company | United States | 1994 | San Francisco | Millard Drexler | Gap Inc. |
| OPOlivia Paisley | Clothing company | United States | 2019 | Woodland Hills | Carmen Rodriguez | — |
| OLOltre | Clothing company | Italy | — | — | — | Miroglio |
| OLOlympia | Clothing company | Germany | — | — | — | — |
| OROratop | Clothing company | Finland | 1921 | — | — | Turo Tailor |
 OshKosh B'Gosh | Clothing company | United States | 1895 | Oshkosh | — | Carter's |
| OLOur Legacy | Clothing company | Sweden | 2005 | — | — | — |
| OVOutdoor Voices | Clothing company | United States | 2012 | New York City | — | — |
| OLOuterknown LLC | Clothing company | United States | — | — | Kelly Slater | — |
| OXOXXO | Clothing company | Turkey | — | Bahçelievler | — | — |
| OZOZETA | Clothing company | Slovakia | 2008 | Bratislava | — | — |
Source: Wikidata — free knowledge base, CC0updated October 2026