Buyer's Guide
| Company | Location | Company Type |
|---|---|---|
| KDF Fluid Treatment, Inc. | Three Rivers | Manufacturer |
| Kee Safety Inc | Buffalo | Manufacturer |
| Kerotest | Pittsburgh | Manufacturer |
| Keystone Filter, Met-Pro Corp. | Hatfield | Manufacturer |
| Kinetico Incorporated | Newbury | Manufacturer |
| Klearbar | Port Washington, New York, United States | Manufacturer |
| Klinkau America, Inc. | Exton | Manufacturer |
| Koch Membrane Systems, Inc. | Wilmington | Manufacturer |
| Koflo Corporation | Cary | Manufacturer |
| KorKap Coated Conduit | Gilmer | Manufacturer |
| KPSI Transducers, Pressure Systems, Inc. | Hampton | Manufacturer |
| Krystal Klear Water | Manufacturer | |
| KX Technologies LLC | West Haven | Manufacturer |
| KZValve | Ashland | Manufacturer |
