sort by Rank | Alpha
| Possible Meanings | Rank |
| Aspen Center for Environmental Studies | **** |
| Adult and Community Education Service | **** |
| Allegheny Crisis Emergency Services | **** |
| Adult Continuing Education Students | **** |
| Agricultural and Consumer Economics | **** |
| Alcoa Custom Extruded Solutions | **** |
| Adapted Computer Empowerment Services | **** |
| Australian Canine Eye Scheme | *** |
| Applied Computational Electromagnetics Society | *** |
| Arts Computing Engineering and Sciences | *** |
| AMERICAN CHEVELLE ENTHUSIASTS SOCIETY | *** |
| Available for Currently Enrolled Students | *** |
| Another Chance for English Setters | *** |
| Apec Cooperation for Earthquake Simulation | *** |
| Adult Community Education Sale | *** |
| Area Cooperative Educational Services | *** |
| Association of Consulting Engineers Singapore | *** |
| And Community Educational Services | *** |
| Academy of Central European Schools | *** |
| All Children Exercise Simultaneously | *** |
| Ariel Computerized Exercise System | *** |
| Adaptive Computer Empowerment Services | *** |
| Association for Comparative Economic Studies | *** |
| Agriculture Consumer and Environmental Sciences | *** |
| Arrow Consulting Engineering Services | *** |
| Aventura City of Excellence School | *** |
| Association of Counselor Educators and Supervisors | *** |
| Atlantic City Express Service | *** |
| Academic Center for Exploratory Students | *** |
| American Clean Energy Systems | *** |
| Allegheny County Emergency Services | *** |
| Academic Competence Evaluation Scales | *** |
| Atlantic Coral Ecosystem Study | *** |
| Aberdeen Centre for Environmental Sustainability | *** |
| American Cultural Exchange Service | *** |
| Air Collection and Enrichment System | *** |
| Advanced Collaborative Emissions Study | *** |
| Association of Consulting Engineers | *** |
| Advance Computerized Execution System | *** |
| Australian Cost Engineering Society | *** |
| Alliance for Cooperative Energy Services | *** |
| Advisory Committee on Environmental Standards | *** |
| Appalachian Center for Ethnobotanical Studies | *** |
| Arts Create Excellent Schools | *** |
| Alberta Centennial Education Savings | *** |
| Annual Capital Expenditures Survey | *** |
| Action Coalition to Ensure Stability | *** |
| Affordable Computer Engineering Services | *** |
| Alabama Center for Estuarine Studies | *** |
| Association for Children for the Enforcement of Support | *** |
| Automotive Communications and Electronic Systems | *** |
| American Cancer Educational Services | *** |
| Air Conditioning Engineering Services | *** |
| Aspotogan Consolidated Elementary School | *** |
| ADTRAN Customer Extended Services | *** |
| Association of Central Eurasian Students | *** |
| Advanced Computer Engineering Solutions | *** |
| Academic Center for Entering Students | *** |
| Aventura Charter Elementary School | *** |
| Advanced Concepts in Electronic Structure | *** |
| Azithromycin and Coronary Events Study | *** |
| Advanced Computing in Environmental Sciences | *** |
| ADTRAN Custom Extended Services | *** |
| Adoption Coalition for Education and Support | *** |
| Association for Counselor Educators and Supervisors | *** |
| Advanced Computations in Engineering Science | *** |
| Association of Computer Engineering Students | *** |
| Association of Counselor Education and Supervision | *** |
| AMRO Central Enterprise Services | *** |
| Association for Counselors and Educators | ** |
| Association of Chief Estates Surveyors | ** |
| Academic Credentials Evaluation Service | ** |
| active control equivalence studies | ** |
| active control equivalence study | ** |
| Advanced Crew Escape Suit | ** |
| aerial combat environment simulations | ** |
| automated cell extraction system | ** |
| Alternative Construction and Environmental Solutions | ** |
| Atlantic Council of Engineering Students | ** |
| Air Cargo EDI System | ** |
| Association of Energy Services | ** |
| artificial chromosome expression systems | ** |
| Academic and Cultural Events Series | ** |
| Army Continuing Education Services | ** |
| Annual Celebration of Excellence by Students | ** |
| Appleton Catholic Educational System | ** |
| Accelerated Clean Energy Supply | ** |
| Aboriginal Community Elders Services | ** |
| Atlantic Canada Electronics Stewardship | ** |
| Annual Convention Exhibit Showcase | ** |
| Automated Communication Exchange System | ** |
| Area Cooperative Education Services | ** |
| Albany Center for Economic Success | ** |
| Australian Council for Educational Standards | ** |
| all components engineering sales | ** |
| Alliance for Competitive Energy Services | ** |
| Advising Center for Exploratory Students | ** |
| AAIA Catalog Enhanced Standards | ** |
| Abess Center for Environmental Studies | ** |
| Adult Career and Education System | ** |
| Asymptomatic Carotid Emboli Study | ** |
| Academic and Classified Employees | ** |
| Analytical Cadre Education Strategy | ** |
| Accurate Clear Epoxy Solid | ** |
| Alternative Credit Enhancement Structure | ** |
| Arm Control Escort System | ** |
| Aboriginal Community Elders Service | ** |
| Ambulatory Care Experiences Survey | ** |
| America China Exchange Society | ** |
| Advanced Computing In Environmental Science | ** |
| Autodesk Comprehensive Education Solution | ** |
| Arkansas Client Eligibility System | ** |
| Ayukusala Central European Sangha | ** |
| AAIA Catalog Enhanced Standard | ** |
| Athletes Committed to Educating Students | ** |
| Academic Careers in Engineering Science | ** |
| Alliance for Commercial Enterprises in Space | ** |
| Applied Computational Electromagnetics Symposium | ** |
| Aloha Computers for Education in Samoa | ** |
| Animal Care and Equipment Services | ** |
| Airspace Concepts Evaluation System | ** |
| Alaska Consortium for Environmental Statistics | ** |
| Amazon Community of Emotional Support | ** |
| Access to Clinical and Educational Studies | ** |
| Adult and Community Education System | ** |
| Advisory Committee on Electronic Submissions | ** |
| Aboriginal Corporation Enterprising Services | ** |
| Academic Credential Evaluation Service | ** |
| Admitted Class Evaluation Service | ** |
| Arrowsmith Community Enhancement Society | ** |
| Acute Critical Events Simulation | ** |
| Automated Cost Estimating System | ** |
| acute care education systems | ** |
| Aircraft Conformance Engineering Services | ** |
| Avelox Clinical Experience Study | ** |
| Academic Careers in Engineering and Science | ** |
| Academic Cultural Enrichment Series | ** |
| American Council on Electrical Safety | ** |
| Animal Care Equipment Services | ** |
| ALS Consortium of Epidemiologic Studies | ** |
| Applied Computational and Engineering Sciences | ** |
| Automatic Coin Equipment Services | ** |
| Adult Career Education System | ** |
| Advisory Committee Engagement Survey | ** |
| Alternative Center for Elementary Students | ** |
| Auckland Computers in Education Society | ** |
| Academic Community Engagement Services | ** |
| Airspace Concept Evaluation Systems | ** |
| Alliance Computational Environment and Security | ** |
| American Council for Electrical Safety | ** |
| Appleton Catholic Education System | ** |
| Augmentative Communication and Empowerment Supports | ** |
| Academic Coaching for Educational Success | ** |
| Aged Care Employers Self | ** |
| Americas Criminal Enterprise Section | ** |
| Association for Counseling Education and Supervision | ** |
| Adult Community Evaluation Services | ** |
| Agency Chief Executives of Schenectady | ** |
| AHEC Career Enhancement Scholars | ** |
| Air Collection Engine System | ** |
| Alliance Counsel Engagement System | ** |
| Amsterdam Centre for Environmental Science | ** |
| Animation City Editorial Services | ** |
| Arkansas Coalition for Economic Security | ** |
| Assistant Chief of Engineers | ** |
| Associated Collectors of El Salvador | ** |
| Advanced Capability Electric System | ** |
| Advanced Catalytic Enzyme System | ** |
| Advisory Council for Environmental Sustainability | ** |
| Aerospace Catalyst Experiences for Students | ** |
| Agrarian Community Economic Support | ** |
| Agricultural Conservation Enrollees Seniors | ** |
| Alameda County Equestrian Society | ** |
| And Control Evaluation System | ** |
| Association of Consultants and Event Services | ** |
| Aarhus Center for Environmental Stress | * |
| Access Certificate for E Services | * |
| Acute Critical Event Simulation | * |
| Ada Compiler Evaluation Suite | * |
| Agricultural Consumer and Environmental Studies | * |
| Alleghany Citizens for Environmental Safety | * |
| Animal Center for Education and Services | * |
| Asian Commerce and Economic Studies | * |
| Assessments and Cost Estimating | * |
| Austin Chinese Education Services | * |
| Aviation Cost Evaluation System | * |
| Academic and Cultural Event Series | * |
| Academic Community for Educational Success | * |
| Administration Counseling Educational and School | * |
| Army Consolidated Enterprise Solutions | * |
| Association for Contemporary European Studies | * |
| At Cutting Edge Symposium | * |
| Ad Cost Efficiency Service | * |
| Advisory Council on Education Statistics | * |
| Agency for Community Educational Services | * |
| Air Combat Evaluation System | * |
| Airlines Commercial Executive Summit | * |
| alameda county emergency services | * |
| American Consortium for European Studies | * |
| Army Corporate Enterprise Solutions | * |
| Aroostook Counseling Evaluation Services | * |
| Automated Claims Entry System | * |
| Automated Corporate Evaluation Service | * |
| Automatically Convertible Equity Securities | * |
| Access Control Entry System | * |
| Advisory Committee Emergency Shelter | * |
| Advisory Committee on Ethics Standards | * |
| Aftermarket Catalog Enhanced Standard | * |
| Allendale Cultural Enrichment Series | * |
| Alliance for Charlotte Elder Services | * |
| Amp Cooperative Electronic Subcontractors | * |
| Anyone Can Enjoy Scrolling | * |
| Area Cooperative for Educational Support | * |
| Artesia Central Elementary School | * |
| Arts Council of the Eastern Shore | * |
| Associates for Counseling Educational Services | * |
| Association of Communications and Electronic Schools | * |
| Atlantic Coral Ecosystem Studies | * |
| Atomic Clocks Ensemble in Space | * |
| Audio Conference Education Series | * |
| Autism Coalition of the Empire State | * |
| Aboriginal Certification of Environmental Sustainability | * |
| Advancement of Codes Education and Standards | * |
| Aerosol Coupling in the Earth System | * |
| Agency Compliance and Enforcement System | * |
| Alliance for Computational Earth Science | * |
| Annual Community Events Staff | * |
| Appalachian Center for Environmental Solutions | * |
| Apple Computer Enjoyment Society | * |
| Association of Computer and Electrical Students | * |
| Automated Coastal Engineering Software | * |
| Automated Communications Engineering System | * |
| Automated Current Employment Statistics | * |
| Advanced Concept Escape System | * |
| Optimal ACoustic equivalent source descriptors for automotive noise modelling | * |
| Assuring Compliance with the Energy Standards | * |
| ACQUISITION CENTER EXECUTIVE SYSTEM | * |
| Advanced Concept Election Seat | * |
| Amateur Civil Emergency Services | * |
| A Courseware Engineering System | * |
| Adaptation Control Environmental System | * |
| Automated Control Entry System | * |
| Automation Computer Experts Support | * |
| Achieving Customer Expectations Symposium | * |
| Advanced Configuration Expert-System Synthesis/Army Corporate Enterprises System | * |
| Aircraft Combat Engagement Simulator | * |
| Analysis of Clouds for Environmental Simulations | * |
| Animal Cell Expression System | * |
| Army Center Of Excellence Subsistence | * |
| AUTOMATION CIVIL ENGINEER SYSTEM | * |