sort by Rank | Alpha
| Possible Meanings | Rank |
| Of State Courts Administrator | ***** |
| Of the State Courts Administrator | **** |
| Of Strategic Crime Assessments | **** |
| Office of the State Court Administrator | **** |
| Ontario School Counsellors Association | **** |
| Omaha Sister Cities Association | *** |
| Office of the State Courts Administrator | *** |
| Ottawa South Community Association | *** |
| Ohio School Counselor Association | *** |
| Oberlin Student Cooperative Association | *** |
| Operating Systems and Common Applications | *** |
| Office of Strategic Crime Assessments | *** |
| Outstanding Service to Cricket Awards | *** |
| On Site Communications Association | *** |
| Oregon School Counselor Association | *** |
| Ohio State Chiropractic Association | ** |
| Officine Specializzate Costruzioni Automobili | ** |
| Outlaw Street Car Association | ** |
| Open Source Computing for Artists | ** |
| Objective Structured Clinical Examination | ** |
| Outcomes for Social Care | ** |
| Oil Sands Conservation Act | ** |
| Oil Spill Cleanup Agents | ** |
| Ocean Somali Community Association | ** |
| Outstanding Smart Card Achievement | ** |
| Office of Senior Citizens Affairs | ** |
| Office of the Senior Citizens Affairs | ** |
| Outcomes of Social Care for Adults | ** |
| Out of School Care Association | ** |
| Ontario School Counsellor Association | ** |
| Office of State Court Administration | ** |
| Optical Sensors Collaborative Association | ** |
| Office of State Courts Administration | ** |
| Old Scotch Collegians Association | ** |
| Office for Senior Citizens Affairs | ** |
| Opera Studio and Choral Academy | ** |
| Oak Shores Community Association | ** |
| Open Shop Contractors Association | ** |
| Ohio Sporting Clays Association | ** |
| Ontario School Counselors Association | ** |
| Optimised Stellar Coronagraph for Adaptive | ** |
| Office of the Supreme Court Administrator | ** |
| Organization for Security and Cooperation in Asia | ** |
| Osteopathic Sports Care Association | ** |
| Ohio School Counselors Association | ** |
| Oxfordshire Sustainability and Conservation Awards | ** |
| Oklahoma Songwriters Composers Association | ** |
| Oregon School Counseling Association | ** |
| Outstanding Smart Card Application | ** |
| Oxfordshire Special Conservation Awards | ** |
| Oklahoma Songwriters and Composers Association | ** |
| Open Saloon Car Association | ** |
| Officina Specializzata Costruzione Automobili | ** |
| Oklahoma Soccer Coaches Association | ** |
| Orphan Site Cleanup Account | ** |
| Ocean Shores Community Association | ** |
| Ottawa South Conservative Association | ** |
| Office of the Senior Citizens Affair | ** |
| Ontario Swimming Coaches Association | ** |
| Organization of Supreme Courts of the Americas | ** |
| Ohio Soccer Coaches Association | ** |
| Old Stevenage Community Association | ** |
| Oph Sco Cen Association | ** |
| Outstanding Song Creators Association | ** |
| Ocean State Catalina Association | * |
| Okanagan Similkameen Conservation Alliance | * |
| Oklahoma School Counselor Association | * |
| Otway Scenic Circle Association | * |
| Office of Strategic Criminal Assessment | * |
| Ohio School Counseling Association | * |
| Oswestry and Shropshire Citizen Advocacy | * |
| Oxbridge Summer Camps Abroad | * |
| Oberlin Student Coop Association | * |
| Online Support for Centre Assessors | * |
| Ontario Swim Coaches Association | * |
| Open Systems Cabling Architecture | * |
| Or the Oberlin Student Cooperative Association | * |
| Oregon School Counselors Association | * |
| Out of School Childcare Association | * |
| Oxfordshire Soccer Coaching Academy | * |
| Ohio State Coroners Association | * |
| Online System for Clinical Assessment | * |
| Occupational Safety Councils of America | * |
| Office of Senior Citizens Affair | * |
| Olathe Sister Cities Association | * |
| One Stop Communications Agency | * |
| Open Source Community in Awajishima | * |
| Other Source Chemical Abstracts | * |
| Order and Structure in Conjugated polymers for device Applications | * |
| Office Systems Content Architecture | * |