| Comprehensive Study Review | Academic & Science |
| Centre for Social Research | Academic & Science |
| Cash Status Report | Accounts and Finance |
| Comprehensive Spending Review | Accounts and Finance |
| Casuarito | Airport Code |
| CSR (Credit Suisse Group), P.L.C. | Business |
| CSR, LTD. | Business |
| Central & Southwest Corporation | Business |
| Central Scientific Research | Business |
| Consulting Services and Research | Business |
| Customer Specific Requirement | Business |
| Computer Sciences Raytheon | Business |
| Company Statistical Rates | Business |
| Cambridge Silicon Radio | Business |
| Claim Settlement Ratio | Business |
| Canadian Satellite Radio | Business |
| Campaign for Surplus Rosaries | Community |
| Community Service Radio | Community |
| Children Showing Results | Community |
| Class Size Reduction | Community |
| Critical Section Reachability | Community |
| Community Service Relationships | Community |
| Comprehensive School Reform | Community |
| Community Schools and Roads | Community |
| Caring, Sharing, and Rapport | Community |
| Communications Standards Review | Computer and Networking |
| Command and Status Register | Computer Assembly Language |
| Clear Statistical Registry | Computer Assembly Language |
| Control and Status Register | Computer Assembly Language |
| Cell Site Router | Computer Technology |
| Cloud Services Router | Computing |
| Customer Specific Requirements | Computing |
| Cyber Security Research | Computing |
| Content Security Reporter | Computing |
| Central System Router | Computing |
| Command Status Register | Computing |
| Customer Support | Computing |
| Core Security Requirements | Computing |
| Continuous Speech Recognition | Computing |
| Client Server Runtime | Computing |
| Cell Switch Router | Computing |
| Clock Shift Register | Computing |
| Campus Switch Router | Computing |
| Cisco Storage Router | Computing |
| Control and Status Registers | Computing |
| Carrier Sensitive Routing | Computing |
| Control Store Ram | Computing |
| Code Set Registry | Computing |
| Classless Static Route | Computing |
| Citrix Smooth Roaming | Computing |
| Cell Missequenced Ratio | Computing |
| Configuration Save and Restore | Computing |
| Customer Service Record | Computing |
| Code Segment Register | Computing |
| Chase Ranch, California, Seismograph Station | Earth Science |
| Copper Sulfide Rectifier | Electronics |
| Cell Surface Reviews | General |
| Chartered Stenographic Reporter | General |
| Civil Service Rules | General |
| Control Status Register | General |
| Catalyst for Sustainability and Responsibility | General |
| Cycles Since Repair | General |
| Classification Staff Representative | General |
| Cost Sharing Reductions | General |
| Caterham Seven Racing | General |
| Conti Safety Ring | General |
| Carrier Safety Rating | General |
| Comfort Super Racing | General |
| Competition Sport Racing | General |
| Corvette Stingray | General |
| C Stock Race | General |
| Commission on Road Safety | General |
| Charles Stewart Rolls | General |
| Competition Sprung Roadster | General |
| California Street Rods | General |
| Centre State Rodders | General |
| Cold Start Relay | General |
| Compliance Solutions and Resources | General |
| Chefs Social Responsibility | General |
| Corporate Social | General |
| Cat Scratch Reader | General |
| Communications Service Request | General |
| Classik Studio Reverb | General |
| Common Serial Receiver | General |
| Change Service Request | General |
| Contaminated Sites Regulation | General |
| Corporate Sustainability and Responsibility | General |
| Crop Suitability Rating | General |
| Colonial Sugar Refining | General |
| Collaborative Strategic Reading | General |
| Corporate Search and Rescue | General |
| Carbon Sport Race | General |
| Car Show Radar | General |
| Curve Speed Reduction | General |
| Clinical Study Report | Governmental |
| Commander's Summary Report | Governmental |
| Canal Service Road | Governmental |
| Corporate Social Responsibility | Indian Ministry of Finance |
| CHAK SIKANDAR | Indian Railway Station |
| Community Service Representative | Jobs |
| Customer Support Representative | Jobs |
| Customer Service Representative | Jobs |
| Certified Shorthand Reporter | Jobs |
| Class-Switch Recombination | Medical |
| Central Supply Room | Medical |
| Caesarean Section Rate | Medical |
| Cataract Surgery Rate | Medical |
| Central Serous Retinopathy | Medical |
| Cervical Spine Radiography | Medical |
| Cervical Spondylotic Radiculopathy | Medical |
| Cheyne-Stokes Respiration | Medical |
| Corrected Survival Rate | Medical |
| Cortisol Secretion Rate | Medical |
| CytoSkeletal Reorganisation | Medical |
| Center for Scientific Review | Medical |
| Central Sterile Room | Medical |
| Central Source Registry | Military and Defence |
| Controlled Supply Rate | Military and Defence |
| Combat Stress Reaction | Military and Defence |
| Certificate Signing Request | Networking |
| Channel Status Register | Networking |
| Cell Switching Router | Networking |
| Chemical Society Reviews | News & Entertainment |
| Competition Success Review | News & Entertainment |
| California State Railroad | Regional |
| Carry-save Representation | Softwares |
| Certification Status Report | Softwares |
| Center for Space Research | Space Science |
| Check Signal Return | Space Science |
| Crew Station Review | Space Science |
| Concept Study Report | Space Science |
| Community Sports and Recreation | Sports |
| Composite Speed Rating | Sports |
| Customer Service Request | Telecommunication |
| Casuarito Airport | Transport & Travel |