| Company | Category | Area | Address | Web | Contact person | |
| ENSR INTL | Engineers-Environmental | Virginia | 5520 GREENWICH RD, VIRGINIA BCH, Virginia Beach, Virginia, 23462-6541, USA | - | - | - |
| ENSR INTL | Environmental & Ecological Ser | South Carolina | 810 DUTCH SQUARE BLVD STE 202, COLUMBIA, Richland, South Carolina, 29210-7318, USA | www.ensr.com | - | John Cain |
| ENSR-ATLANTA | Coml Physical Resch | Georgia | 4155 SHACKLEFORD RD STE 245, NORCROSS, Gwinnett, Georgia, 30093-2988, USA | - | - | HEATHER SPIVEY |
