Buyer's Guide
| Company | Location | Company Type |
|---|---|---|
| Calgon Carbon Corp. | Pittsburgh | Manufacturer |
| Campbell Scientific, Inc. | Logan | Manufacturer |
| Canature North America Inc | Golden Valley, Minnesota, United States | Manufacturer |
| Carbon Activated Corp. | Compton | Manufacturer |
| Carbon Enterprises, Inc. | Circleville | Manufacturer |
| Carbon Link Corporation | Mt. Vernon | Distributor |
| Carbon Resources, LLC | Oceanside | Manufacturer |
| Carlon Meter, Inc. | Grand Haven | Manufacturer |
| Carmel Financial Corporation | Carmel | Manufacturer |
| Cary Manufacturing Corporation | Charlotte | Manufacturer |
| Cascadian | Monroe | Manufacturer |
| Castle Water Systems, Inc. | Lewisville | Manufacturer |
| Cat Pumps ® | Minneapolis | Manufacturer |
| Catec | Sarasota | Manufacturer |
| CEA Instruments, Inc. | Westwood | Distributor |
| Ceramic Filters Company, Inc. | Brooklyn | Manufacturer |
| CerAnode, Division of APS Materials, Inc | Dayton | Manufacturer |
| Challenger Water International, Inc. | San Marcos | Manufacturer |
| Champ Design Co., Ltd. | 831 Kaohsung Hsien | Manufacturer |
| Champion Technology Company | Florence | Manufacturer |
| Charger Water Treatment Products | Elgin | Manufacturer |
| CHEMetrics, Inc. | Calverton | Manufacturer |
| Chemilizer Products, Inc. | Largo | Manufacturer |
| Chemineer, Inc. | Dayton | Manufacturer |
| Chemtrac, Inc. | Norcross, Georgia, United States | Manufacturer |
