| Business | Phone |
| Bayview Edison Industries 13593 Bayview Edison Rd, Mount Vernon 98273 | (360) 466-4160 |
| Diversified Manufacturing Inc 219 E Taylor St, Mount Vernon 98273 | (360) 419-9234 |
| Machine Works 2225 Old Highway 99 S Rd, Mount Vernon 98273 | (360) 428-7894 |
| Precision Finishing 220 Anderson Rd, Mount Vernon 98273 | (360) 848-8687 |
| Sarco Precision 2816 Old Hwy 99 S 4, Mount Vernon 98273 | (360) 424-0605 |
| Smiley's Inc 18022 State Route 536, Mount Vernon 98273 | (360) 424-7338 |
| Tdl Machine 220 Anderson Rd, Mount Vernon 98273 | (360) 424-4241 |
| Valley Automotive Machine 331 E Blackburn Rd E, Mount Vernon 98273 | (360) 336-9722 |