What does ACS stand for?

Aberdeen Cable Services - Cable TV (NITA)

Aboriginal Children's Services - Australia

Abridged Call Sign (SAUS)

Absorption Cross Section (SAUS)

Academic Computer Service - Generic - Research center (RCD)

Accelerated Climatic Simulator (PDAA)

Access - Telecommunications (MSA)

Access Access Control Set (SAUS)

Access Control Server (SAUS)

Access Control Set (SAUS)

Access Control Store - Open Systems Interconnection (ODAA)

Access Control System - Computer science (VERA)

Accident Confinement System

Accounting Control System

Accumulator Switch - Computer science

Acetylstrophanthidin - Organic chemistry

Acid Scrubber (EEVL)

Ackerman Computer Sciences (SAUS)

Acoustic Computer Signal (SAUS)

Acquisition and Command Support (MCD)

Acroa - Language code (ETLW)

Acrocallosal Syndrome - Medicine (EDAA)

Acrocephalosyndactyly - Medicine (DMAA)

Acrylonitrile-Chlorinated PE-Styrene (SAUS)

Acting Commissary of Subsistence

Active Communications Satellite

Active Control Station (IUSS)

Active Control System (ACAE)

Activity Characteristics Sheet - Agency for International Development

Acute Cervical Strain (SAUS)

Acute Chest Syndrome - Medicine (MELL)

Acute Confusional State - Medicine (MEDA)

Acute Coronary Syndromes (SAUS)

Adaptive Code System (SAUS)

Adaptive Controlling System (SAUS)

Adaptive Control System

Adaptive Cooling System

Adder Comparator Selector (XSAL)

Additional Core Storage (SAUS)

Additional Curates' Society - British

Additional Curates Society, Harpenden, Herts (SAUO)

Addressable Core Store (SAUS)

Address Change Service - Postal Service - United States (WDMC)

Adhesive Capsulitis of Shoulder - Medicine (MELL)

Adhesive Component System (PDAA)

Adiabatically Corrected Sudden - Approximation

Administrative Computing and Systems (SAUS)

Administrative Computing Service

Administrative Control System - Telecommunications (TEL)

Admiralty Computing Service - British (SAA)

Admission Control Service - Computer science (MWOL)

Adnexal Carcinoma of Skin - Medicine (MELL)

Adolescent Coercive Sex (MELL)

Adolescent Coping Scale - Test (TMMY)

Adrenocorticosteroid - Medicine (OA)

Advance Count Switch

Advanced Cardiovascular Systems

Advanced Cartographic Systems (GEOI)

Advanced Ceramic System

Advanced Civil Schooling - Army

Advanced Clothing Subsystem - SIPE - Military

Advanced Communication Solutions, Inc. - Commercial firm

Advanced Communications Satellite (ACAE)

Advanced Communications Service - Later, AIS - AT & T

Advanced Communications System (SAUS)

Advanced Communication System - Computer science (TNIG)

Advanced Computer Services - Honeywell Information Systems (IEEE)

Advanced Computer System - IBM Corp. (IEEE)

Advanced Computing Solutions Group, Inc. - Commercial firm

Advanced Conservative Studies (SAUS)

Advanced Control System - IBM Corp. (NITA)

Advanced Countermine System - Military technology (DDF)

Advanced Count Switch (SAUS)

Advanced Course Studentships - British

Advanced Cryptographic System - Air Force (MCD)

Adventist Community Services (EA)

Advertisers Casting Service

Advice Called Subscriber (SAUS)

Aegis Combat System - Navy (LAIN)

Aerial Common Sensor - Military

Aerodrome Control Service

Aeronautical Chart Service (SAUO)

Aeronautical Command Systems - Air Force

Affiliated Computer Services 'A' - NYSE symbol (SPSG)

Affiliated Computer Systems - Later, MPEC Co. - Telecommunications (TSSD)

Affinely Connected Space

Afloat Correlation System - Navy

African Coastal Security (DOMA)

Aft Crew Station - NASA (MCD)

Age Concern Scotland - An association (EAIO)

Agena Control System - NASA

Agency Computer Systems, Inc. - Commercial firm

Agricultural Consulting Services, Inc. - Commercial firm

Agricultural Cooperative Service - Washington, DC - Department of Agriculture (GRD)

Agricultural Credit Corporation of Saskatchewan - Canada (FOTI)

Agriculture Cooperative Service (SAUS)

Airbag Central Sensor - Automotive safety

Airborne Control System (SAUS)

Air Capable Ship (MCD)

Air Coating System (PDAA)

Air Combat Simulator (SAUS)

Air Commando Squadron (CINC)

Air Command Squadron (SAUO)

Air Commerce - Yugoslavia - ICAO designator (FAAC)

Air Conditioning Sensor - Automotive engineering

Air Conditioning System

Air Contact System (SAUS)

Air Control Supervisor - Military (IUSS)

Aircraft Carrier Squadron - British military (DMA)

Aircraft Communications System

Aircraft Composite Structures, Yakima, WA - Manufacturer code for watercraft hull identification number (USCG)

Aircraft Control and Surveillance - Air Force

Aircraft Control System (MUGU)

Airfield Construction Service - Military (WDAA)

Air Force Communications Service, Scott AFB, IL - OCLC symbol (OCLC)

Airline Charter Service

Airman Classification Squadron - Air Force

Airplane Configuration System

Airport Catering Service Ltd. (SAUO)

Airways Communication Station (NATG)

Alarm and Control System - Telecommunications (TEL)

Alaska Conservation Society (EA)

Alaskan Communications System - Air Force

Alaskan Communication System (SAUO)

Alcohol Counselling Service - British (DI)

Aldus Color file (SAUS)

Allied Chiefs of Staff - World War II

Allied Cooperative Support Sharing System (MLEX)

Alma Common Software (XSAL)

Als Computer Service (XSAL)

Alternate Core Spray - Nuclear energy (NRCH)

Alternating Current Supply (SAUS)

Alternating Current, Synchronous

Alternating Current Synthesizer - Exxon Corp.

Alternative Control Strategies - Environmental science (COE)

Alternative Curriculum Strategies - Education (AIE)

Altertext Conversion System (DGA)

Altitude Control and Stabilization (SPACE)

Altitude Control System

Altos Computer Systems (NITA)

Amalgamated Conservation Society (ASC)

Ambulatory Care Services (IDYL)

American Cable Supply Corp. (SAUO)

American Camellia Society (EA)

American Camillia Society (SAUO)

American Canal Society (EA)

American Cancer Society (EA)

American Canna Society - Association (EA)

American Cap C.V. Sec (EFIS)

American Capital Convertible Securities, Inc. - NYSE symbol (SPSG)

American Carbon Society (EA)

American Car Buying Service

American Carnation Society - Defunct (EA)

American Carousel Society (EA)

American Celiac Society - Later, ACS/DSC (EA)

American Ceramic Society (EA)

American Cetacean Society (EA)

American Cheese Society (EA)

American Chemical Society (EA)

American Cleaning Service (SAUO)

American Coal Shipping, Inc. (SAUO)

American Cockatiel Society (EA)

American College of Surgeons (EA)

American College of Switzerland

American Colonization Society

American Committee of Slavists (EA)

American Communication Services - Evanston, IL - Telecommunications (TSSD)

American Community School (SAUO)

American Community Schools - In foreign countries

American Community Survey (GEOI)

American Conifer Society (EA)

American Contemplative Society - Defunct (EA)

American Copyright Society - Defunct (EA)

American Cryonics Society (EA)

American Crystal Sugar (SAUS)

American Crystal Sugar Co. (MHDW)

American Cultural Society - Defunct

American Czechoslovak Society (EA)

Americans for Common Sense - Defunct (EA)

Amerigo Cosmi - NCIC firearms make code (NCIC)

Analog Computer System

Analysis Computer System

Analysis of Coping Style - Test

Analytical Consulting Services - Commercial firm

Ancillary Communications Services - Australia

Anglo-Chilean Society (EAIO)

Anglo-Continental Society - British

Animal Care Section - Warren Grant Magnuson Clinical Center (RCD)

Anisotropically Conductive Silicone - Rubber - Robotics

Annament Control System (SAUS)

Annealed Copper-Covered Steel

Anodal Closing Sound - Physiology

Antarctic Conservation Strategy (SAUS)

Antenna Control Subsystem - Military - Army

Anterior Convex Side

Anti-Communist Society - Belize (PD)

Anti Curl System (SAUS)

Anti-Curl System - Intellifax - Brother Industries USA, Inc. - Telecommunications

Antireticular Cytotoxic Serum

Apartment Cable Systems, Inc. (EFIS)

Aperture Current Setting - In Coulter counter - Microbiology

Apollo Command - or Communications System - NASA

Apollo Command Systems (SAUS)

Apollo Communications System (SAUS)

Application Control Services

Application Control Structure (SAUS)

Application Control System (VLIE)

Application Customer Service (VLIE)

Application Customizer Service - Computer science (ELAL)

Applied Computer Science (IAA)

Applied Computer Sciences (SAUS)

Applied Computer Solution

Applied Computer Solutions (XSAL)

Approximate Cubic Search - Mathematics

Aquatic Consulting Services, Inc. - Commercial firm

Armament Control System - Air Force

Armored Crew Seat

Army Calibration System

Army Camouflage School (SAUO)

Army Canteen Service (SAUO)

Army Commanding Service

Army Communications Service (SAUO)

Army Communicative System - Military technology (DDF)

Army Communicative Systems - Provisional

Army Community Service

Army Community Services (SAUS)

Army Council Secretariat (SAUO)

Arnett Consulting Services - Commercial firm

ARPA Calibration Satellite (MCD)

Art Center School

Arterial Cannulation Support - Cardiology (DAVI)

Artillery Computer System

Arts & Crafts Show

Asbestos Cement Sheet (ADA)

Asbestos Contaminated Soil - Industrial hygiene term (OHS)

Assembler Control System (SAUS)

Assembly Control System - IBM Corp. (BUR)

Assembly Cost System (SAUS)

Assessment of Cognitive Skills

Asset Control System - or Subsystem - Army (AABC)

Assistant Chief of Staff

Assistant Chief of Supplies - British military (DMA)

Assistant Chief Statistician

Associated Computer System (MHDI)

Associated Counseling Services (SAUO)

Associate in Commercial Science

Associate in Customer Service - Canada (DD)

Association Canadienne de Semiotique - Canadian Semiotic Association - CSA

Association Canadienne de Soccer - Canada (EAIO)

Association Canadienne des Slavistes - Canadian Association of Slavists - CAS

Association for Canadian Studies - See also AEC

Association for Christian Schools - Defunct (EA)

Association of Caribbean States (NOAA)

Association of Caribbean Studies (EA)

Association of Certified Servers (EA)

Association of Clinical Scientists (EA)

Association of Commonwealth Students - British (BI)

Association of Consultant Surveyors (SAUO)

Association of Consulting Scientists (COBU)

Association of Contemplative Sisters (EA)

Association of Council Secretaries - Later, NAES (EA)

Association of Cricket Statisticians (EAIO)

Association of Cutlers and Scalers (SAUO)

Astro Communications System - NASA (KSC)

Asynchronous Communications Server - Computer science (IT)

Asynchronous Communication Subsystem (SAUS)

Atmosphere Climate Study - National Science Foundation (MSC)

Atmosphere Control System - NASA (KSC)

Attack Center Switchboard

Attendant Care Scheme

Attitude Command System (IEEE)

Attitude Configuration System (SSD)

Attitude Control and Stabilization - NASA (KSC)

Attitude Control Subsystem (SAUS)

Attitude Control System - or Subsystem - Aerospace

Audio Communications System

Audio Conducted Susceptibility (IAA)

Australia Container Services (SAUO)

Australian Computer Science (SAUO)

Autocorrelation Sequence (SAUS)

Autograph Card Signed - Manuscript descriptions

Automated Cartographic Systems (GEOI)

Automated Cartography System (SAUS)

Automated Cartridge System (SAUS)

Automated Cartridge Systems - A storage and retrieval system, often used for library management

Automated Circulation System - Computer science

Automated Commercial System - US Customs Service computerized system

Automated Commercial Systems (ABAD)

Automated Communications Set (BUR)

Automated Communications System

Automated Control System (SAUS)

Automatic Call Selector (VLIE)

Automatic Cartographic System

Automatic Channel Selection (SAUS)

Automatic Checkout System - NASA

Automatic Chemical Sprinklers (SAUS)

Automatic Cheque Sorter (SAUS)

Automatic Class Selection (SAUS)

Automatic Clearing Houses

Automatic Climate Station (SAUS)

Automatic Clutch System - Powertrain - Automotive engineering

Automatic Coding System - Computer science (IAA)

Automatic Container Stacking Crane (VLIE)

Automatic Container System - Military technology (DDF)

Automatic Control System

Automatic Counter System

Automation Composition System (MCD)

Autonomous Control Subsystem (SAUS)

Autonomous Replication Core-Consensus Sequence - Genetics

Auxiliary Code Storage - Computer memory (NITA)

Auxiliary Communications System - Emergency Management (EMA)

Auxiliary Control Station (SAUS)

Auxiliary Cooling System - Nuclear energy (NRCH)

Auxiliary Core Storage - Computer science (BUR)

Auxiliary Core Store (SAUS)

Auxiliary Crane Ship - Navy designation (DOMA)

Average Calculating Speed (SAUS)

Avionics Cooling System (SAUS)

Azimuth Control System

International Association of Caribbean Studies (SAUO)

J. C. Sproule & Associates Ltd., Calgary, Alberta - Library symbol - National Library of Canada (NLC)

Las Acacias - Argentina - Geomagnetic observatory code

Les Arrets de la Cour Supreme - Legal database - Canada (NITA)

Smith - A.O. Corp. - NYSE symbol (SAG)

Van Kam Am Cap Cv Sec - NYSE symbol