| Business | Phone |
| Earth Tech Inc 675 N Washington St 300, Alexandria 22314 | (703) 549-8728 |
| Platinum International Inc 5350 Shawnee Rd 200, Alexandria 22312 | (703) 916-7987 |
| Za Cla Group 7903 Flamingo Dr, Alexandria 22306 | (703) 780-1846 |
| Rocky Mountain Remediation Svc Alexandria 22306 | (703) 765-5351 |