| Business | Phone |
| Asbestos Testing Inc 5205 Noyes Ave, Charleston 25304 | (304) 925-6795 |
| Sgs Environmental Svc Inc 1258 Greenbrier St, Charleston 25311 | (304) 346-0725 |
| Sgs North America Inc 5793 Maccorkle Ave Se, Charleston 25304 | (304) 925-6631 |
| Standard Laboratories Inc 147 11th Ave, Charleston 25303 | (304) 744-5472 |
| Sturm Environmental Svc 321 4th Ave, Charleston 25303 | (304) 744-9864 |
| Prometric Inc 1104 Fledderjohn Rd, Charleston 25314 | (304) 345-1986 |