| Employer | State | City | |
| Kaiser-Battistone Plumber-Rooter | Connecticut | Norwalk | View Profile |
| Kent Refrigeration Company | Kentucky | Covington | View Profile |
| Ketzenberg Heating & Cooling | New Jersey | Avenel | View Profile |
| Ketzenberg Heating & Cooling | New Jersey | Avenel | View Profile |
| Kinetic Systems Inc | North Carolina | Durham | View Profile |
| KRT Marketing | California | Lafayette | View Profile |
| KRT Marketing | California | Lafayette | View Profile |
| KST Electric LTD | Texas | Manor | View Profile |
| KST Electric LTD | Texas | Manor | View Profile |
| Kwajalein Range Services | Alabama | Huntsville | View Profile |