| Client Server Architecture | Academic & Science |
| Cryogenic Society of America | Academic & Science |
| Société Canadienne d'Agronomie | Academic & Science |
| Civil/Structural/Architectural | Academic & Science |
| Combined Statistical Area | Academic & Science |
| Central Student Accounting | Academic & Science |
| Cambodian Student Association | Academic & Science |
| Center for Supercomputing Applications | Academic & Science |
| Client Solution Architects | Academic & Science |
| Curved Surface Area | Academic & Science |
| Cumulative Standard Axle | Academic & Science |
| California Society of Anesthesiologists | Academic & Science |
| Colegio San Agustín | Academic & Science |
| Chinese Students Association | Academic & Science |
| Campus Security Authority | Academic & Science |
| Cash Settlement Average | Accounts and Finance |
| Colonsay Island | Airport Code |
| Central Student Association | Associations & Organizations |
| Centro Sportivo Alagoano | Associations & Organizations |
| Civil Service Agency | Business |
| Costume Society of America | Business |
| Canadian Society of Agronomy | Business |
| Common Sense Approach | Business |
| Casting Society of America | Business |
| Continental Security Agency | Business |
| Canadian Standard Association | Business |
| Cogdell Spencer, Inc. | Business |
| Consumer Standards Agency | Business |
| Combined Starter Alternator | Business |
| Crankshaft Starter Alternator | Business |
| Calcium Sulfonate modified Alkyd | Business |
| Continental Shelf Associates | Business |
| Carbone Smolan Agency | Business |
| Careside, Inc. | Business |
| Commercial Solutions, Incorporated | Business |
| Cloud Security Alliance | Business |
| Certified Senior Advisors | Certifications |
| Celiac Sprue Association | Community |
| Community Supported Art | Community |
| Celiac Support Association | Community |
| Control Self Assessment | Community |
| Collaborative Self Assessment | Community |
| Cognitive Skills Assessment | Community |
| Christian Stewardship Association | Community |
| Cub Scouts of America | Community |
| Community School of the Arts | Community |
| Central Service Association | Community |
| Community Services Agency | Community |
| Canadian Snowbird Association | Community |
| Catholic Services Appeal | Community |
| Component State Associations | Community |
| Common Services Agency | Community |
| Cheer Star Academy | Community |
| Called Subscriber Internet Address | Computer and Networking |
| Canadian Standards Association | Computer and Networking |
| Carrier Serving Area | Computer and Networking |
| Computer Systems Analyst | Computer Technology |
| Computer Systems Architecture | Computing |
| Compound Specific Analyzer | Computing |
| Common Scrambling Algorithm | Computing |
| Carrier Service Area | Computing |
| Commercial Services Agreement | Computing |
| Computer Security Act | Computing |
| Certified Systems Administrator | Computing |
| Callpath Service Architecture | Computing |
| Client Service Agent | Computing |
| Computer Standards Association | Computing |
| Customized Service Arrangement | Computing |
| Connection and Streaming Architecture | Computing |
| Certified Security Administrator | Computing |
| Cisco Security Advisory | Computing |
| Claris Solutions Alliance | Computing |
| Client Security Agent | Computing |
| Computer Speed Addition | Computing |
| Common System Area | Computing |
| Common Service Area | Computing |
| Common Storage Area | Computing |
| Carry Save Adder | Computing |
| Control Store Arbiter | Computing |
| Certified Specialist for Systems Administration | Computing |
| Client System Agent | Computing |
| Citrix Subscription Advantage | Computing |
| Compression Service Adapter | Computing |
| Comprehensive System Accounting | Computing |
| Cloud Services Appliance | Computing |
| Custom Search Ads | Computing |
| Cyber Shield Alliance | Computing |
| Cloud Service Automation | Computing |
| Citrix Solution Advisor | Computing |
| Click Stream Analyzer | Computing |
| Compaq Solutions Alliance | Computing |
| Cyber Security Agency | Computing |
| Cyber Security Advisor | Computing |
| Cyber Security Act | Computing |
| Cyber Security Awareness | Computing |
| Cyber Skills Association | Computing |
| Cyber Security Academy | Computing |
| Computer Science Application | Computing |
| Communications Streaming Architecture | Computing |
| Color Space Array | Computing |
| Cisco Security Agent | Computing |
| Cim (computer-integrated Manufacturing) Systems Architecture | Electronics |
| Conical Spiral Antenna | Electronics |
| Ultimate Ride Roller Coaster File | File Type |
| Comma Delimited Text | File Type |
| Intercomm Ascii Sheet File | File Type |
| Classic Speedway Association | General |
| Corn, Salt, and Apples | General |
| corn salt and | General |
| Customized Service Administrators | General |
| Cloud Security | General |
| Community Supporting Agriculture | General |
| Community Supported Agriculture | General |
| Community Shared Agriculture | General |
| Consumer Supported Agriculture | General |
| Can't Stand America | General |
| Certified Surgical Assistant | General |
| Cute Squeezable A** | General |
| City Supported Agriculture | General |
| Canadian Standards Associates | General |
| Curve Speed Assistant | General |
| Curtain Shield Airbags | General |
| Crash Sensitivity Algorithm | General |
| Curtain Side Airbags | General |
| Citroen South Africa | General |
| Customer Support Agreement | General |
| Changan Southern Africa | General |
| Comprehensive Safety Analysis | General |
| Changan Suzuki Automobile | General |
| Cummins Diesel South Africa | General |
| Cajun Sprinters Association | General |
| C Spider Abarth | General |
| Classic Skylines Australia | General |
| Chrysler South Africa | General |
| Coupe Sports Automatic | General |
| Car Sharing Association | General |
| Cold Start Advance | General |
| Complex Spares Assembly | General |
| Configuration Status Accounting | General |
| Compliance Safety Accountability | General |
| Charles S Anderson | General |
| Community Supported Agricultural | General |
| Chapter Safety Award | General |
| Coffee Snobs Anonymous | General |
| Cambridge Scientific Abstracts | General |
| Centro Stile Alfa | General |
| Crash Severity Algorithm | General |
| Club Sanjuanino de Automodelismo | General |
| Cooper Standard Automotive | General |
| Centro de Servicio Automotriz | General |
| Certified Service Advisor | General |
| Civil Service Annuity | Governmental |
| Comprehensive Services Act | Governmental |
| Confederate States of America | Governmental |
| Community Safety Agency | Governmental |
| Controlled Substances Act | Governmental |
| Conway, Steuernagel, and Ahern | Governmental |
| Customs Self Assessment | Governmental |
| Clinical Study Agreement | Governmental |
| Certified Senders Alliance | Governmental |
| Chief Security Adviser | Governmental |
| Confederate States Archiver | Governmental |
| Child Support Agency | Governmental |
| Commuter Student Association | Governmental |
| Child Sexual Abuse | Governmental |
| Consolidated Statutes Annotated | Governmental |
| County Service Area | Governmental |
| Crime Syndicate of America | Governmental |
| CHAUSA | Indian Railway Station |
| Colecţia Şcolii Aţel | International |
| California Spanish Assessment | International |
| Chief Software Architect | Jobs |
| Customer Support Associate | Jobs |
| Customized Services Administrator | Jobs |
| Community Standard Advisor | Jobs |
| Cashier Sales Associate | Jobs |
| Customized Services Administrators | Jobs |
| Customer Support Advisor | Jobs |
| Certified Senior Advisor | Jobs |
| Cross Sectional Area | Maths |
| Clinical Skills Assessment | Medical |
| Cat scratch disease | Medical |
| Catalyzed Signal Amplification | Medical |
| Cell Surface Antigen | Medical |
| Central Sleep Apnea | Medical |
| chondroitin sulphate A | Medical |
| Chronic Severe Anaemia | Medical |
| Chronic Stable Angina | Medical |
| Clinical Spine Application | Medical |
| Continuous Spinal Anaesthesia | Medical |
| Cranio-Spinal Axis | Medical |
| Chinese scalp acupuncture | Medical |
| Controlled Shooting Area | Military and Defence |
| Common Support Aircraft | Military and Defence |
| Combat Support Agency | Military and Defence |
| Container Stuffing Activity | Military and Defence |
| Confederate States Army | Military and Defence |
| Chief of Staff of The Army | Military and Defence |
| Corps Storage Area | Military and Defence |
| Combat Support Associates | Military and Defence |
| Classified Staff Association | Military and Defence |
| Civil Servants Association | Regional |
| Canadian Standards of Approval | Regional |
| Communist States of America | Regional |
| Crystal Start Activator | Softwares |
| Canadian Space Agency | Space Science |
| Cyclic Strain Attenuator | Space Science |
| Charlotte Soccer Academy | Sports |
| Colorado Soccer Association | Sports |
| Connecticut Sports Arena | Sports |
| Canadian Soccer Association | Sports |
| Cricket South Africa | Sports |
| Combat Sports Academy | Sports |
| Canadian Securities Administrators | Stock Exchange |
| Central Service Area | Telecommunication |
| Colonsay Airport | Transport & Travel |