| Computer Algebra Riemann Surface | Academic & Science |
| Coherent Anti-stokes Raman Scattering | Academic & Science |
| California Arizona Repeater System | Academic & Science |
| Cascades Amateur Radio Society | Academic & Science |
| Cascades Amateur Radio Club | Academic & Science |
| Cascade Amateur Radio Society | Academic & Science |
| College Adminssion Retention Solutions | Academic & Science |
| Campus Accounts Receivables System | Academic & Science |
| Classic Auto Restoration Specialists | Business |
| Consumer Apparel and Resale Stores | Business |
| Credibility Accuracy Reasonableness Support | Business |
| Creating Accessible Resources for Staff | Business |
| Capital Automotive | Business |
| Consortium for Advanced Radiation Sources | Business |
| Candidate Assessment and Referral System | Business |
| Charitable Auto Resources San | Community |
| Computer Assisted Radiology and Surgery | Community |
| Cultural, Athletic, Recreational, and Social | Community |
| Character Attributes for Responsible Students | Community |
| Communications Assistance Resource Service | Community |
| Chibi Adoption and Request Service | Community |
| Columbus Art Research Society | Community |
| Citizens Acting for Rail Safety | Community |
| Christians Arriving Returning Safely | Community |
| Central Asian Russian Scriptures | Community |
| Computer Aided Routing System | Computing |
| Crypto Cars World | Cryptocurrency |
| Cluster Automotive Region Stuttgart | General |
| Context Aware Rate Selection | General |
| Competitive Automotive Reporting System | General |
| Crash Avoidance Rollover Study | General |
| Common Automotive Receivables System | General |
| Comprehensive Automotive Resurgence Strategy | General |
| Cars And Racing Stuff | General |
| Community Assisted Racing Simulator | General |
| Championship Auto Racing Series | General |
| Canadian Association of Rallysport | General |
| Carlsbad Automotive Restoration Society | General |
| Club Alfa Romeo Svezia | General |
| Club Alpine Renault Sportive | General |
| Center for Automotive Research at Stanford | General |
| Concerned Auto Recyclers | General |
| Complete Auto Recycling Show | General |
| Common Australian Roadside Solution | General |
| Christian Automotive Repair Service | General |
| Christian Automotive Repairmen Serving | General |
| Customer Acquisition and Retention Solution | General |
| Critical Automotive Applications Robustness and Safety | General |
| Certified Auto Repair and Sound | General |
| Certified Auto Repair Service | General |
| Car Advertisement Review Services | General |
| Complete Automotive Recovery Service | General |
| College Automotive Restoration Students | General |
| Consumer Automotive Resource Services | General |
| Colorado Automotive Reporting System | General |
| Computerized Automotive Resource System | General |
| Club Auto Retro Soissonnais | General |
| Carleton Automotive Robotics Society | General |
| Classic And Recreation Sportscars | General |
| Consulting Automotive Resource Specialists | General |
| Consumers for Auto Reliability and Safety | General |
| Classic Automotive Relocation Services | General |
| Cigar Aficionado Renaissance Smokers | General |
| Crush A Rat! Squeak! | General |
| Clemson Auto Racing Society | General |
| Classic Antique Rods and Special | General |
| Canadian Automotive Repair and Service Council | General |
| Car Allowance Rebate System | General |
| Congress of Automotive Repair and Service | General |
| Car Access Reference System | General |
| Center for Automotive Research Seminars | General |
| Competitive Automotive Regulatory System | General |
| Create a Research Space | General |
| Collections and Accounts Receivable System | General |
| Connections And Relationships Save | General |
| Caucasian Achievement and Recognition Scholarship | General |
| Customer Access and Retrieval System | General |
| Credibility Accuracy Reasonableness and Support | General |
| Consistency Accuracy Reasonableness and Support | General |
| Compliance Achievement Reporting System | Governmental |
| Charlottesville Albemarle Rescue Squad | Governmental |
| Community AIDS Reporting System | Governmental |
| Combat Arms Regimental System | Governmental |
| Contingency Airborne Reconnaissance System | Governmental |
| Common Automated Recovery System | Governmental |
| Condition Acquisition and Reporting System | Governmental |
| Control of Antimicrobial Resistance Scotland | Medical |
| Coherent Anti-Stokes Raman Spectroscopy | Medical |
| Childhood Autism Rating Scale | Medical |
| Community Assisted Race Sim | Sports |
| Confederation of Asia Roller Sports | Sports |