Companies catalogue
- C Music Corporation, East Syracuse
- C. Benz Catering, Liverpool
- C3 Systems, Washington
- CCS-Consumer Car Sales, Santa Rosa
- CIS Federal, Alexandria
- CJS Vineyards & Aurelius Winery, Auburn
- CNY Beach Wedding, Syracuse
- CNY Water Warehouse, LLC, LaFayette
- CNYweddings.com, Camillus
- Caci-CMS Information System Inc, Chantilly
- Call of the Loon Productions, Liverpool
- Camerons Bakery, Auburn
- Camillus Splash Pad, Camillus
- Candlelight Music, Fayetteville
- Canoe Landing Vineyard, Syracuse
- Capital Infrared, LLC, Washington
- CarMax, Santa Rosa
- Cars R Us, Santa Rosa
- Casa Ruby Community Center, Washington
- Cascade Park Club, Erie
- Casella Waste Systems, Auburn
- Castro Car Co, Santa Rosa
- Cavalier Warehouse, East Syracuse
- Cedar Heights Community Center, Seat Pleasant
- Centripetal Networks, Reston
- ChandlerCG, Washington
- Chantelle Marie Lakehouse & Celebration Venue, Auburn
- Charles E. Smith Life Communities, North Bethesda
- Charles Houston Recreation Center, Alexandria
- Chautauqua Tax Collector, Mayville
- Cherry Hill Park Community Garden Plots, College Park
- Chevy Chase Community Center, Washington
- Cheyenne Cattle Company Chophouse, Erie
- Chinquapin Community Gardens, Alexandria
- Christ Deliverance Church, Erie
- Christ United Methodist Church, Erie
- Christ-Redeemer Lutheran Church, Erie
- Christian Assembly, Erie
- Christian Ministries, Erie
- Christian Science Church Erie, Erie
- Chronos Systems Inc, Camp Springs
- Church of Christ, Erie
- Church of Christ Savior, Erie
- Church of Jesus Christ In God, Erie
- Church of the Nativity, Erie
- City of Erie, Erie
- City of Erie: Fire Department, Erie
- Clean Harbors Environmental, Syracuse
- Cleveland Village Hall, Cleveland
- Coalition-Community Schools, Washington
- College Park Community Center, College Park
- Columbia Heights Community Center, Washington
- Columbia Heights Green, Washington
- Commercial Refrigeration, Silver Spring
- Communities In Schools, Arlington
- Communities In Schools, Washington
- Communities In Schools Of The Nations Capital, Washington
- Community Christian Church, Erie
- Community College Week, Dumfries
- Community Ministries Of Rockville, Rockville
- Competition Touring Cars, Sonoma
- Computer Associates, McLean
- Computer Geeks on Call, Centreville
- Computer Sciences Corporation, Fairfax
- Computer Service Solutions, Inc, Fairfax
- Computer Services Unlimited, Chantilly
- Computer World Services Corporation, Washington
- Computer World Services Corporation, Falls Church
- Congress Heights Recreation, Washington
- Congruent Story, Syracuse
- Conneaut Income Tax Department, Conneaut
- Conneaut Municipal Court, Conneaut
- Conneautville Tax Collector, Conneautville
- Conquest Security, Inc., Gaithersburg
- Corporation for National and Community Service, Washington
- Cortland City Water Board, Cortland
- Costco Wholesale, Camillus
- Cottage City Community Garden, Cottage City
- Covanta Onondaga, Jamesville
- Covenant Security Solutions, Inc., McLean
- Craft Brewed Media, Cicero
- Craftsman Scribes Productions, Liverpool
- Craig Furze Photography, Syracuse
- Cral Contractors Inc., East Syracuse
- Crown City Volleyball Club, Homer
- Cryptonite, Rockville
- Culligan Water Conditioning of Wayne County, NY, Syracuse
- Cunningham Chrysler of Edinboro, Edinboro
- Cunningham Chrysler-Jeep, North East
- CyForce, Reston
- Cyber Revolution, Washington
- CyberSheath Services International, Reston
- Cybexa, Arlington
- Cycle Zone Powersports, Topeka
- Cygnacom Solutions Inc, McLean
- Cyren, McLean
- Cys Club, Erie
- Cyveillance Inc, Reston
- Czop-Specter Inc, North East
- clearAvenue, Washington