- 102/104-M&W Drilling Platinum Sponsor
- 103-Onterris Silver Sponsor
- 105-Hart & Hickman Silver Sponsor
- 107-CES Group Engineers Silver Sponsor
- 109-Geoprobe Systems® Silver Sponsor
- 111-Evonik Silver Sponsor
- 113-Northstar Environmental Group Silver Sponsor
- 117-Civil and Environmental Consultants Silver Sponsor
- 119-AST Environmental Silver Sponsor
- 121-Ground/Water Treatment & Technology Silver Sponsor
- 125-CDM Smith Silver Sponsor
- 127-Directional Technologies
- 129-Carolina Environmental Response Team
- 131-Watershed Geo
- 133-Arcwood Environmental Services
- 203-Tarpomatic Silver Sponsor
- 204-Field Environmental Instruments
- 205-Tetra Tech
- 206-Pace Analytical Silver Sponsor
- 207-JRW Bioremediation
- 209-Innovative Environmental Technologies
- 210-Eastern Solutions
- 211-Toolkit
- 212-Geological Resources
- 213-Carus
- 217-Clean Harbors
- 218-RKI Instruments
- 219-Provectus Environmental Products
- 220-Martlin Distributing
- 221-FRx
- 224-NC Association of Environmental Professionals
- 225-Midwest Hose & Specialty
- 226-ETEC
- 227-WSP USA
- 229-Collier Geophysics
- 230-SGS North America Silver Sponsor
- 231-Cascade Environmental Silver Sponsor
- 232-Available
- 233-Burns & McDonnell Silver Sponsor
- 303-Ramboll Silver Sponsor
- 304-Eurofins Environment Testing
- 306-Kleinfelder
- 307-Parsons Thermal Remediation Services
- 309-Odin Environmental Solutions
- 310-Ecobot Gold Sponsor
- 312-LJA Environmental Services
- 318-HHNT Silver Sponsor
- 320-Geotech Environmental Equipment Silver Sponsor
- 323-Geo Lab Drilling
- 324-Intech Environmental
- 325-Ellingson-DTD
- 326-Three Notch Group
- 327-Perma-Fix Environmental Services
- 329-Available
- 330-Available
- 331-Available
- 332-Environmental Solutions & Innovations
- 333-Available
- 504/506-Geosyntec Consultants | SiREM Platinum Sponsor
- 505-Haley & Aldrich Gold Sponsor
- 507-Davey Resource Group Gold Sponsor
- 508-North State Environmental Gold Sponsor
- 509-Terracon Consultants Platinum Sponsor
- 510-Resource Institute Gold Sponsor
- 511-SCS Engineers Gold Sponsor
- 512-Pond Gold Sponsor
- 513-Stantec Gold Sponsor
- 515-Waypoint Analytical Gold Sponsor
- 520-GeoImaging Systems Diamond Sponsor
