| OU KRIMELTE ( Tallinn, EE ) | Oulun Yliopisto( Oulun Yliopisto ) | Ouroboros Medical ( San Diego, CA ) |
| OU Turundusteave( Tallinn ) | Oume Corporation ( San Jose, CA ) | Ouroboros Medical, Inc. ( Pleasanton, CA ) |
| OU TURUNDUSTEAVE ( Tallinn, EE ) | OUNCE LABS, INC. | Ourpet's Co. ( Fairport, OH ) |
| Ou Xiaofeng ( Great Falls, VA ) | Ounce Labs, Inc. ( Waltham, MA ) | Ourpet''s Co. ( Fairport, OH ) |
| OU, INBIO ( TALLINN ESTONIA, EE ) | Our Living Journal Partnership Sigura Enterprises, Inc. ( Sunnyvale, CA ) | OurPet's Company |
| Oualcomm Incorporated ( San Diego, CA ) | Our Pet's Company ( Fairport Harbor, OH ) | OurPet's Company ( Fairport Harbor, OH ) |
| Ouanta Computer Inc.( Taipei ) | Our Pet''s Company ( Fairport Harbor, OH ) | Ourpet''s Company ( Fairport Harbor, OH ) |
| Oudensha Co., Ltd.( Kanagawa ) | Our Sunday Visitor, Inc. ( Huntington, IN ) | Ours Technology Inc. |
| Ouellet Canada Inc. | OUR TECH CO., LTD. ( Jeollabuk-do, KR ) | Ours Technology Inc.( Hsinchu ) |
| Ouellette Machinery Systems, Inc ( Fenton, MO ) | Our Time For Games, Inc. ( Bradenton, FL ) | OURS TECHNOLOGY, INC. ( Jhubei City, TW ) |
| Ouellette Machinery Systems, Inc. | Oura Kousoku Co., Ltd. ( JP, JP ) | Ourstex Co., Ltd.( Osaka ) |
| Ouellette Machinery Systems, Inc. ( Fenton, MO ) | Oura Kousoku Co., Ltd.( Tokyo ) | Ourway Engineering Co., Ltd. |
| Ouest Standard Telematique S.A. ( Ceson Sevigne, FR ) | Oura Yoshiya( Tokyo ) | Ourway Engineering Co., Ltd.( Taichung Hsien ) |
| Oullette Machinery Systems, Inc. | Oura; Yoshiya( Tokyo ) | Ourway Engineering Co., Ltd. ( Taichung Hsien, TW ) |
| Oullette Machinery Systems, Inc. ( Fenton, MO ) | Ouragan Communications Inc | OURWORLD LIVE, INC. ( Huntington Beach, CA ) |
| Oulun Yliopisto( Oulu ) | Ourcashflow.com, LLC ( Denver, CO ) | Oury Grip Grip U.S.A., Inc. ( Wheaton, IL ) |
| Oulun Yliopisto ( Oulu, FI ) | OURGROUP, LLC ( La Canada, CA ) | |