sort by Rank | Alpha
| Possible Meanings | Rank |
| Alberta Colleges Athletic Conference | **** |
| Association for the Advancement | *** |
| Australasian Computer Architecture Conference | *** |
| Animal Care Advisory Committee | *** |
| Allen County Athletic Conference | *** |
| Arts and Culture Advisory Committee | *** |
| American Capital Assurance Corp | *** |
| Academic Computing Advisory Committee | *** |
| Ames Community Arts Council | *** |
| Allegheny Center Alliance Church | *** |
| Amity Christian Art Center | *** |
| Atlantic Coast Athletic Club | *** |
| Association for College Admission Counseling | *** |
| Allen Chapman Activity Center | *** |
| Arab Civil Aviation Commission | *** |
| Australian Computer Architecture Conference | *** |
| Acute Care Advisory Committee | *** |
| Australian Competition and Consumer | *** |
| Aomori Contemporary Art Centre | *** |
| Austin Community Access Center | *** |
| American Champion Aircraft Corporation | *** |
| African Civil Aviation Commission | *** |
| Adams County Arts Council | *** |
| Ada Conformity Assessment Certificate | *** |
| albumin-collodion activated charcoal | ** |
| Amador County Arts Council | ** |
| Atlanta Community Access Coalition | ** |
| Athletics Concordia Ab Ca | ** |
| agent chromium acetylacetonate, Cr | ** |
| Airports Consulting Associates Canada | ** |
| albumin-collodion microencapsulated activated charcoal | ** |
| Australian Companion Animal Council | ** |
| Apple Customer Assistance Center | ** |
| Agriculture Credit Advisory Committee | ** |
| A Cappella Auditions Council | ** |
| Academic and Campus Affairs Council | ** |
| Angeles City Aids Council | ** |
| Abilene Cultural Affairs Council | ** |
| Access Customer Advocacy Center | ** |
| Alamance County Astronomy Club | ** |
| Aomori Contemporary Art Center | ** |
| Authority Control Advisory Committee | ** |
| Australian Conciliation and Arbitration Commission | ** |
| Agricultural Chemicals Advisory Committee | ** |
| american champion aircraft company | ** |
| Actual Call Admission Control | ** |
| A Cappella Advisory Council | ** |
| Activity Center Advisory Committee | ** |
| AVIC1 Commercial Aircraft Co | ** |
| Amherst Community Arts Center | ** |
| Association of Community Access | ** |
| Ames Cyclone Aquatic Club | ** |
| Access Carrier Advocacy Center | ** |
| An Acute Care Advisory Committee | ** |
| Agua Caliente Aquatic Center | ** |
| Alberta College Athletic Conference | ** |
| Ancient City Astronomy Club | ** |
| Atlantic City Aquatic Club | ** |
| Albanian Coalition Against Corruption | ** |
| Arenac County Animal Control | ** |
| A C Air Conditioning | ** |
| Adult Consumer Advisory Council | ** |
| Asian Contemporary Art Consortium | ** |
| Athens Colloquium on Algorithms and Complexity | ** |
| Amherst Cinema Arts Center | ** |
| Animal Care and Adoption Center | ** |
| Archer Community Access Center | ** |
| Activities Center Advisory Committee | ** |
| Activity Centre Advisory Committee | ** |
| Alden Client Advisory Council | ** |
| Animal Care and Adoption Counselor | ** |
| Alberta College Athletics Conference | ** |
| Another Choice Another Chance | ** |
| Automobile Credit Acceptance Corporation | ** |
| Anyinginyi Congress Aboriginal Corporation | ** |
| AREA COMMAND AVIATION COORDINATOR | ** |
| Ashe County Arts Council | ** |
| Advanced Computing Algorithms and Cryptography | ** |
| Africans Claiming Africa for Christ | ** |
| Air Contaminants Advisory Committee | ** |
| Alamance County Arts Council | ** |
| Architectural Control Advisory Committee | ** |
| ATLANTA COMPETITIVE ADVANTAGE CONFERENCE | ** |
| Atlantic Chinese Alliance Church | ** |
| A Child Abuse Caseworker | * |
| Administrative Computing Advisory Committee | * |
| Advisory Committee on Agricultural | * |
| Agricultural Credit Advisory Committee | * |
| Alumni of Color Advisory Council | * |
| And the Academic Computing | * |
| Atomic City Aquatic Club | * |
| AVIC I Commercial Aircraft Co | * |
| Academic Credential Assessment Corporation | * |
| Airline Contract Administration Coordinator | * |
| American Cancer Ablation Center | * |
| Animal Chiropractic Accreditation Commission | * |
| Aboriginal Community Advisory Committee | * |
| Albania Coalition Against Corruption | * |
| American College Admissions Consultants | * |
| American Concern for Artistry and Craftsmanship | * |
| Amtrak Customer Advisory Committee | * |
| Arab Civil Avitation Council | * |
| Auckland City Athletic Club | * |
| Academic Choice Advisory Council | * |
| Activity Centres Advisory Committee | * |
| Alcoholics for Christ Adult Children | * |
| Arts Computing Advisory Committee | * |
| Australian College of Acupuncturists | * |
| Accomack County Airport Commission | * |
| Adair Co Adult Computer | * |
| Air Cooled Air Cooler | * |
| Alliance for the Care of Abused Children | * |
| Audit Clinical Advisory Committee | * |
| Australian Chemicals Advisory Committee | * |
| Athena Community Astronomy Club | * |
| ADVANCED COUNTERTERRORISM ANALYSIS COURSE | * |
| Annual Clarion Awards Competition | * |
| Area Communications Alba Cuneo | * |
| Argonne Center for Analytical Chemistry | * |
| Artistic Community Arts and Communication | * |
| Association des Cartotheques et Archives du Canada | * |