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