| Business | Phone |
| Crossman Clair 16146 Mclean Rd, Mount Vernon 98273 | (360) 424-7359 |
| Le Gro & Assoc 815 Cleveland Ave, Mount Vernon 98273 | (360) 336-3220 |
| Lisser & Assoc 320 Milwaukee St, Mount Vernon 98273 | (360) 419-7442 |
| Semrau Engineering & Surveying 2118 Riverside Dr 208, Mount Vernon 98273 | (360) 424-9566 |