| Exhibitor Name | Booth Number |
| AECOM | 126 |
| Alpha Analytical | 339 |
| AquaBlok, Ltd. | 410 |
| Battelle | 128 |
| Bio-Enhance | 227 |
| Blackhawk Technology Company | 415 |
| BSI EHS Services and Solutions | 510 |
| Burge Environmental, Inc. | 409 |
| Burns & McDonnell | 434 |
| Carus Corporation | 311 |
| CDM Smith | 440 |
| Clean Earth Inc. | 237 |
| Clean Vapor | 309 |
| Dakota Technologies | 337 |
| Dewind One-Pass Trenching LLC | 213 |
| Directed Technologies Drilling | 414 |
| Directional Technologies, Inc. | 325 |
| E-Flux | 426 |
| ECT2 | 411 |
| EN Rx, Inc. | 112 |
| EOS Remediation | 229 |
| EthicalChem | 508 |
| Evonik | 422 |
| Evonik | 424 |
| FRx, Inc | 420 |
| Geoklock | 235 |
| Geoprobe Systems | 514 |
| Geosyntec Consultants | 221 |
| Höganäs Environment Solutions | 412 |
| Innovative Environmental Technologies | 122 |
| Innovative Environmental Technologies | 124 |
| Interstate Technology and Regulatory Council/ECOS | 114 |
| Langan | 215 |
| Microbial Insights, Inc. | 138 |
| Pace Analytical Energy Services | 327 |
| Parsons | 436 |
| Provectus Environmental Products, Inc. | 120 |
| Purolite Corporation | 413 |
| Ramboll | 335 |
| Redox Tech | 408 |
| REGENESIS and Land Science | 134 |
| REGENESIS and Land Science | 136 |
| Remediation Products, Inc. | 223 |
| Sagwell USA Inc. | 239 |
| SERDP & ESTCP | 211 |
| SGS | 225 |
| SIREM | 321 |
| Terra Systems, Inc. | 428 |
| TerraStryke Products, LLC | 110 |
| Tersus Environmental, LLC | 315 |
| Tetra Tech, Inc. | 209 |
| TRS Group, Inc. | 108 |
| Versar, Inc. | 140 |
| WSP | 329 |