| ALC | A Lifestyle Company 
| Others |
| ALC | A Lost Cause
| Others |
| ALC | A Loving Choice
| Others |
| ALC | A Loving Company
| Others |
| ALC | Abilene Library Consortium
| Others |
| ALC | Aboriginal Land Council
| Others |
| ALC | Absolute Lymphocyte Count
| Others |
| ALC | Abt Level Control
| Others |
| ALC | Academic Learning Center
| Others |
| ALC | Access Livelihoods Consulting
| Others |
| ALC | Accounting Legend Code
| Others |
| ALC | Accredited Land Consultant
| Others |
| ALC | Accredited Land Consultants
| Others |
| ALC | Acetyl L Carnitine
| Others |
| ALC | Active Lane Control
| Others |
| ALC | Active Learning Classroom
| Others |
| ALC | Active Learning Classrooms
| Others |
| ALC | Active Light Control
| Others |
| ALC | Adaptation Layer Controller
| Others |
| ALC | Adaptive Light Control
| Others |
| ALC | Adaptive Line Controller
| Others |
| ALC | Adaptive Load Control
| Others |
| ALC | Additional Liability Company
| Others |
| ALC | Address Latch Control
| Others |
| ALC | Adelphi Lab Center
| Others |
| ALC | Adirondack League Club
| Others |
| ALC | Administration and Logistics Center
| Others |
| ALC | Adobe License Center
| Others |
| ALC | Adobe Live Cycle
| Others |
| ALC | Advanced Land Combat
| Others |
| ALC | Advanced Leadership Camp
| Military, Education |
| ALC | Advanced Learning Center
| Others |
| ALC | Advanced Lightweight Coupe
| Others |
| ALC | Advanced Liquid Cooling
| Others |
| ALC | Advanced Logistics Center
| Others |
| ALC | Adventure Learning Centre
| Others |
| ALC | African Leadership College
| Others |
| ALC | Africana Librarians Council
| Others |
| ALC | Aft Load Controller
| Others |
| ALC | Agency Location Code
| Others |
| ALC | Agent Leadership Council
| Others |
| ALC | Agile Learning Center
| Others |
| ALC | Agricultural Land Commission
| Others |
| ALC | Agroecology and Livelihoods Collaborative
| Others |
| ALC | Air Lease Corporation
| Others |
| ALC | Air Logistics Center
| Others |
| ALC | Alcohol Sniffer
| Others |
| ALC | Alcoholic Liver Cirrhosis
| Others |
| ALC | Alcove
| Others |
| ALC | Alicante, Spain
| Others |
| ALC | Alicante-Elche Airport
| Others |
| ALC | Alice Lloyd College
| Others |
| ALC | alkali-extractable light chain
| Others |
| ALC | AllWorld Language Consultants
| Others |
| ALC | Alternate Level of Care
| Others |
| ALC | Alternate Lifestyle Checklist
| Others |
| ALC | Alternate Lifestyle Companion
| Others |
| ALC | Alternative Learning Center
| Others |
| ALC | Alternative Level of Care
| Others |
| ALC | American Lancia Club
| Others |
| ALC | American Land Conservancy
| Others |
| ALC | American Language Center
| Others |
| ALC | American Legend Cooperative
| Others |
| ALC | American Liberty Currency
| Others |
| ALC | American List Counsel
| Others |
| ALC | American Logistics Company
| Others |
| ALC | American Lutheran Church
| Others |
| ALC | Americans for Libraries Council
| Others |
| ALC | amoebaless life cycle Microbiology
| Others |
| ALC | Amplified Loudspeaker Controllers
| Others |
| ALC | Amplitude Level Control
| Others |
| ALC | Analog Leased Circuit
| Others |
| ALC | Anaplastic Large Cell
| Others |
| ALC | Andela Learning Community
| Others |
| ALC | Andrea Lieberman Collection
| Others |
| ALC | Anime Lovers Community
| Others |
| ALC | Annual Layer Counting
| Others |
| ALC | Annual Legislative Conference
| Others |
| ALC | Another Limited Concept
| Others |
| ALC | Anterior Lens Capsule
| Others |
| ALC | Apple Lossless Codec
| Others |
| ALC | Application Label Comments
| Others |
| ALC | Application Load Certificate
| Others |
| ALC | Approximate Lethal Concentration
| Others |
| ALC | Arbitration Lost Capture
| Others |
| ALC | Archive Log Accelerator
| Others |
| ALC | Area Learning Center
| Others |
| ALC | Area Logistics Command
| Others |
| ALC | Argon Laser Coagulation
| Others |
| ALC | Arithmetic and Logic Circuits
| Others |
| ALC | Army Logistics Center
| Others |
| ALC | Ascension Lutheran Church
| Others |
| ALC | Asci Linux Cluster
| Others |
| ALC | Ashley Louise Crouse
| Others |
| ALC | Asian Law Caucus
| Others |
| ALC | Assembler Language Coding
| Others |
| ALC | Assembly Language Coding
| Others |
| ALC | Assessment of Language Competence
| Others |
| ALC | Assisted Living Center
| Others |
| ALC | Associate Leadership Council
| Others |
| ALC | Association of Language Companies
| Others |
| ALC | Associazione Laici Canossiani
| Others |
| ALC | Associazione Laura Coviello
| Others |
| ALC | Assures Less Contacts
| Others |
| ALC | Astounding Loving Courageous
| Others |
| ALC | Asynchronous Layered Coding
| Others |
| ALC | Atlantic Lottery Corporation
| Others |
| ALC | Atm Line Card
| Others |
| ALC | Atypical Lymphoid Cell
| Others |
| ALC | Audi Lightweight Design Center
| Others |
| ALC | Audio Library Context
| Others |
| ALC | Audio Limiter Control
| Others |
| ALC | Audio Load Compensator
| Others |
| ALC | Augmented Landing Site
| Others |
| ALC | Austin Land and Cattle
| Others |
| ALC | Australian Logistics Council
| Others |
| ALC | Australian Lutheran College
| Others |
| ALC | Auto Lane Change
| Others |
| ALC | Auto Logon Credential
| Others |
| ALC | Automated Lane Centering
| Others |
| ALC | Automatic Lamp Control
| Others |
| ALC | Automatic Level Control
| Others |
| ALC | Automatic Library Control
| Others |
| ALC | Automatic Light Control
| Others |
| ALC | Automatic Lighting Control
| Others |
| ALC | Automatic Line Control
| Others |
| ALC | Automatic Line Controller
| Others |
| ALC | Automatic Load Control
| Others |
| ALC | Automotive Learning Center
| Others |
| ALC | Automotive Leather Company
| Others |
| ALC | Avian Leukosis Complex
| Others |
| ALC | Aviation Electronicsman Chief Petty Officer
| Others |
| ALC | axiolinguocervical Dentistry
| Others |
| ALC | Axle Load Control
| Others |
| ALC | Azteca Lobby Card
| Others |