sort by Rank | Alpha
| Possible Meanings | Rank |
| administrative contracting officer | **** |
| Army Contracting Officer | **** |
| Approved the Continuation | **** |
| Army Corrosion Office | **** |
| Also the Commonwealth | **** |
| American Classical Orchestra | **** |
| Arts Center of the Ozarks | **** |
| Authorizing the Contractor | **** |
| Adoption Council of Ontario | **** |
| Australian Certified Organic | *** |
| Animal Control Officers | *** |
| Academic Careers Online | *** |
| ADHD Coaches Organization | *** |
| Alarm Company Operator | *** |
| Australia Computer Online | *** |
| Academy of Chiropractic Orthopedists | *** |
| Association for Computing | *** |
| Administrative Consent Orders | *** |
| Activation and Checkout | *** |
| Amsterdam Chamber Orchestra | *** |
| Animal Collection Officer | *** |
| Association of Orthodontists | *** |
| Academic Competition Organization | *** |
| Animal Crossing Online | *** |
| agent community org | *** |
| Activities of Colombian | *** |
| Allied Command Operations | *** |
| Afghanistan Country Office | *** |
| AIDS Committee of Ottawa | *** |
| Algorithms Combinatorics and Optimization | *** |
| Accord Canada Ontario | *** |
| Art Critics Orchestra | *** |
| Asian Cultural Organization | *** |
| Athletic Compliance Officer | *** |
| Age Concern Organisation | *** |
| Arts and Culture Observatory | *** |
| Accredited Consulting Organisation | *** |
| Academy Commanding Officer | *** |
| Analysis and Control | *** |
| Admiralty Compass Observatory | *** |
| Administrative Contracting Officers | *** |
| administer the contract | *** |
| Aurora Certified Organic | *** |
| Allen Community Outreach | *** |
| Abrasive Cut Off | *** |
| Australian Calculator Operation | *** |
| Austrian Coordination Office | *** |
| Assistant Coordination Officer | *** |
| Alberta China Office | *** |
| ASPEN Central Office | *** |
| Aircraft Certification Offices | *** |
| Approved Care Organisation | *** |
| Area Claims Office | *** |
| Attendance Centre Order | *** |
| American Consumer Opinion | ** |
| Acta Conciliorum Oecumenicorum | ** |
| acyl-CpA oxidase | ** |
| Alberta crude oil | ** |
| alimentary constitutional obesity | ** |
| alimentary-constitutional obesity | ** |
| anterior capsular opening | ** |
| anterior capsule opacification | ** |
| anterior capsule opening | ** |
| arterial calcium overload | ** |
| arterial chronic obliteration | ** |
| Atlantic Canada Opportunities | ** |
| Animal Crusaders of Ontario | ** |
| Association of Charity Officers | ** |
| Air Carrier Operations | ** |
| Acting Commanding Officer | ** |
| Administration Contracting Officer | ** |
| Acyl CoA Oxidase | ** |
| Association of Optometrists | ** |
| 1-aminocyclopropane-1-carboxylate oxidase | ** |
| acute coronary artery occlusion | ** |
| acyl coenzyme A oxidase | ** |
| acyl-coenzyme A oxidase | ** |
| acyl-coenzyme-A oxidase | ** |
| D-Aldohexopyranoside:cytochrome c oxidoreductase | ** |
| Acquisition Contracting Officer | ** |
| Authorized Certification Officials | ** |
| Appeals Committee Office | ** |
| Arbeitsgemeinschaft Chirurgische Onkologie | ** |
| Area Cadet Officer | ** |
| ADHD Coach Organization | ** |
| Alberta College of Optometrists | ** |
| Abell Corwin Olowin | ** |
| African Community Outreach | ** |
| Age Concern Oldham | ** |
| Accredited Consulting Organisations | ** |
| Adm Computer Opl | ** |
| Alexandra Civic Organization | ** |
| Administrative Computing Operations | ** |
| Amadeus Commercial Organisation | ** |
| adaptive control optimization | ** |
| Alternate Checksum Option | ** |
| All Campus Orchestra | ** |
| Ant Colony Optimizations | ** |
| And Allied Command | ** |
| Association of Course Organisers | ** |
| Air Cadet Organization | ** |
| African Curriculum Organisation | ** |
| Asset Control Officer | ** |
| Academy Chamber Orchestra | ** |
| American Composers Org | ** |
| Assessment of Conceptual Organization | ** |
| A Charitable Organization | ** |
| Acupuncture Council of Ontario | ** |
| American Council of Otolaryngology | ** |
| Association of Conservation Officers | ** |
| Academy of Optometry | ** |
| Access Control Objects | ** |
| Akkordeon Club Oberaden | ** |
| Atlantic Chamber Orchestra | ** |
| Artificial Cover Objects | ** |
| Accredited Consultancy Organisation | ** |
| ALOHA Cabled Observatory | ** |
| Advent Chamber Orchestra | ** |
| Air Control Orders | ** |
| assinar cancelar o | ** |
| Audible Cut Off | ** |
| Acción Católica Obrera | ** |
| Advisory Committee on Operational | ** |
| Administrative Contract Officer | ** |
| Anti Coral Organization | ** |
| Assistant Clinical Officer | ** |
| Augustana Computer Organization | ** |
| Automatic Change Over | ** |
| Air Command Order | ** |
| Airborne Communications Officer | ** |
| Airspace Control Orders | ** |
| Area Credit Office | ** |
| Assembly of Class Officers | ** |
| Athens Clearing Office | ** |
| Agricultural Census Organization | ** |
| Alternative Conservation Organization | ** |
| And Crisis Operations | ** |
| Assembly Compliance Office | ** |
| Acts Central Office | * |
| African Curriculum Organization | * |
| Airspace Co Ordination | * |
| Auto Classiques Organisation | * |
| Access Control Officer | * |
| Arab Communist Organization | * |
| Automated Charge Out | * |
| ADHD Coaching Organization | * |
| Aeronautical Control Officer | * |
| Aircraft Control Officer | * |
| AMERICAN CONSTRUCTION CO | * |
| Arrive in Collingwood | * |
| Augmented Channel Occupancy | * |
| Authorized Code Owner | * |
| Accessibility Compliance Office | * |
| action charity organization | * |
| Acute Coronary Occlusion | * |
| Administrating Contracting Officer | * |
| African Consultant Office | * |
| Alert Cooperative Oriented | * |
| Asean Cooperative Organisation | * |
| Automatic Call Off | * |
| Administering Contracting Officer | * |
| Airport Control Officers | * |
| Akron Canton Ohio | * |
| Anti Corruption Officer | * |
| Area Coordination Office | * |
| audit comptable organisation | * |
| Alert Conscious Oriented | * |
| Alert Conscious Oriented? | * |
| Absolute Computer Options | * |
| Admin Contracting Officer | * |
| Air Contact Officer | * |
| Arizona Careers Online | * |
| Address of Cognizant | * |
| Addresses for Clubs and Organization | * |
| Adirondack Camp Online | * |
| Administration of Cost | * |
| Administration of CostAccounting | * |
| Age Concern Organizations | * |
| AIM Central Office | * |
| Alencon Cedex Orne | * |
| Americas Cup Online | * |
| Anecdote Club Online | * |
| Application of Computers and Ope | * |
| Arch Coal Operations | * |
| Association of Campground Owners | * |
| Authorized Certifying Official | * |