| 7-Eleven Inc |
| A-Z Solutions, Inc. |
| AAI |
| ADS |
| Advanced Drainage Systems, Inc |
| Aeroqual Ltd |
| Aeterra |
| Aevitas Specialty Services Corp |
| AFRD Georgia |
| AGC Automotive Americas |
| AgroLiquid |
| Ajax Metal processing |
| AKT Peerless |
| Albar Industries |
| Albion College |
| Allegan Co Facilities Mgt |
| Allegan County Facilities Management |
| ALS Environmental |
| AMB Vapor Monitoring |
| American Municipal Power, Inc. |
| American Rheinmetall |
| AMP |
| Amphenol Borisch Technologies |
| Amrize |
| Anchor QEA |
| Anderson Development Company |
| Applied EcoSystems, Inc. |
| Arcadis U.S., Inc. |
| Arrowhead Environmental Engineering |
| Assistant Professor |
| ASTI Environmental / Pea Group |
| Atlas Technical Consultants LLC |
| Audubon Companies |
| August Mack Environmental |
| August Mack Environmental, Inc. |
| Barr Engineering |
| Barr Engineering Co. |
| BASF |
| BCA Environmental |
| BCA Environmental Consultants, LLC |
| Bell's Brewing |
| Benteler Automotive |
| Billerud Escanaba LLC |
| Block Imaging |
| Boar's Head Provisions Co., Inc. |
| Breen GeoScience |
| Brembo North America |
| Bronson Laboratory |
| Buckeye Partners |
| Butzel Long |
| C. Stoddard & Sons, Inc. |
| CETCO |
| Charter Township of Clinton |
| CHCRC |
| City of Adrian |
| City of Battle Creek Wastewater Division |
| City of Bay City |
| City of Bay City WWTP |
| City of Charlotte |
| City of Charlotte- Dept of Public Works |
| City of Detroit |
| City of Detroit Construction & Demolition Department |
| City of Farmington Hills |
| City of Grand Rapids |
| City of Grand Rapids - Environmental Services |
| City of Kalamazoo |
| City of Lansing |
| City of Mt. Pleasant |
| City of Pontiac |
| City of Rochester |
| City of Southfield |
| City Of Standish |
| City of Walker |
| City Of Warren |
| City of Wyoming Wastewater Treatment Plant |
| Civil & Environmental Consultants, Inc. |
| CJD Farm Consulting, Inc |
| Clean Stormwater Inc. |
| Clearwater Services |
| CMC Solutions, LLC |
| Condat Corporation |
| Consumers Energy |
| Consumers Energy Company |
| Corteva Agriscience |
| CTI |
| Dana Container Inc. |
| DAT |
| Dauch |
| Delta Township Utility Department |
| DENSO |
| Department of Environment, Great Lakes, and Energy (EGLE) |
| Desine Inc. |
| Dexter Fastener Technologies, Inc. |
| Dicastal North America |
| DLD Environmental Services |
| DLD Environmental Services, Inc. |
| Dow |
| Dow Chemical |
| Dragun Corporation |
| Drake Enterprises |
| DTE |
| DTE Energy |
| DTE Energy Fermi II |
| Duncan Aviation |
| DuPont |
| EA Engineering, Science, and Technology, Inc., PBC |
| Eastern Research Group |
| Eastern Research Group (ERG) |
| ECT |
| ECT, Inc. |
| EDL Energy |
| EDW. C. LEVY CO. |
| EGLE |
| EGLE - AQD |
| EGLE - GRMD |
| EGLE - WRD |
| EGLE AQD |
| EGLE Drinking Water and Environmental Health Division |
| EGLE ESD |
| EGLE GRMD |
| EGLE MMD |
| EGLE RRD |
| EGLE WRD |
| EGLE-AQD |
| EGLE-ESD |
| EGLE-MMD |
| EGLE-RRD |
| EGLE-WRD |
| EJ |
| Element Materials Technology |
| EnovaPremier |
| Environmental Consulting & Technology, Inc. |
| Environmental Resource Group (ERG) |
| Environmental Resources Group, LLC |
| Environmental Solutions & Innovations, Inc. |
| Environmental Testing Laboratories |
| EnviroTrac LLC |
| Envita Solutions |
| Epredia |
| EPRO |
| ERG |
| ERG, Inc. |
| ERIS |
| Eurofins Environmental Testing |
| Fahey Schultz Burzych Rhodes |
| fairlife |
| FANUC America |
| Ferrous Processing & Trading Co. |
| Fishbeck |
| Fleis & VandenBrink |
| Flex, Ltd. |
| Flowserve Corporation |
| Ford Motor Company |
| FSU |
| GEI |
| Gemini Group |
| General Motors |
| Geosyntec |
| Geosyntec Consultants |
| Geosyntec Consultants, Inc. |
| GFL Environmental |
| GHD |
| GHSP |
| GHSP Hart |
| GHSP Inc - Grand Haven |
| Global Environmental Engineering Company LLC |
| GPRS |
| Granger Waste Services |
| Great Lakes Community Action Partnership RCAP |
| Great Lakes Fusion |
| Great Lakes Petroleum Terminal |
| Great Lakes Resource Recovery |
| Green Rock Strategies, LLC |
| Groundwater & Environmental Services, Inc. |
| Groundwater and Environmental Services |
| Guardian Wastewater Services |
| GZA GeoEnvironmental |
| GZA GeoEnvironmental, Inc. |
| H. B. Fuller |
| Haley & Aldrich, Inc |
| Hallite Seals Americas, LLC |
| Hamp, Mathews & Associates, Inc. |
| Hamp, Mathews, & Associates |
| Harrington Sustainability Solutions |
| Haviland Enterprises, Inc. |
| Healthmark |
| Healthmark Industries Inc. |
| Holland Board of Public Works |
| Hope College |
| HUMANETICS |
| Humanetics Innovative Solutions |
| Huron Clinton Metroparks Authority |
| Huron-Clinton Metroparks |
| Hydro Aluminum Metals |
| II Stanley Co., Inc. |
| Impact Compliance & Testing |
| International Cover Systems, Inc. |
| Jacobs |
| Job Site Services |
| John E. Green Company |
| Kalamazoo County |
| Kalsec |
| Kawasaki Motors Corp., U.S.A. |
| KEMRON Environmental Services |
| Kent County Road Commission |
| King Heating |
| Kolene Corporation |
| L&L Products |
| Lacks Enterprises Inc. |
| Lakeland Asphalt Corp. |
| Land Science |
| Langan |
| Lansing Board of Water & Light |
| Lansing Board of Water & Light |
| Lansing Board of Water and Light |
| Lansing Community College |
| LARA/BCC |
| LBWL |
| Lear |
| Linde |
| Lord and Winter |
| LoveJoy Community Services |
| LRQA |
| Magna Engineered Glass |
| Magna Exteriros |
| Magna International |
| MAGNA MIRRORS OF AMERICA, INC |
| Mannik and Smith Group |
| Mapistry |
| Mark Mehall & Associates |
| Marquette County Solid Waste Management Authority |
| Martinrea |
| Martinrea International |
| MCA |
| MDHHS |
| MDHHS- OHP |
| MDOC |
| MDOT |
| MDOT Blue Water Bridge |
| Medxcel (Ascension Health) |
| Meijer |
| Meridian Township |
| Metalor Technologies USA Corporation |
| Metiri Analytical Group |
| MI-AHMP |
| Michigan Automotive Compressor Inc. |
| Michigan Consulting & Environmental |
| Michigan Department of Corrections |
| Michigan Department of Licensing and Regulatory Affairs |
| Michigan Department of Transportation |
| Michigan DoT |
| Michigan EGLE |
| Michigan Farm Bureau |
| Michigan Milk Producers Association |
| Michigan Public Service Commission |
| Michigan Spill Response |
| Michigan State Police |
| Michigan State Police - Hazmat Training Unit |
| Michigan State Police, Emergency Management and Homeland Security Division |
| Michigan State University |
| Michigan Townships Association |
| MillerKnoll, Inc. |
| MIOSHA CET Div. |
| Missaukee Drain #2 |
| Missaukee Sanitary Drain #2 |
| MLive Media Group |
| MWC LLC |
| Nakupuna Companies |
| Nestle |
| Nexteer Automotive |
| Nexteer Automotive Corporation |
| Nexteer Automotive Group Limited |
| NextEra |
| Niles Charter Township |
| Niswander Environmental |
| Non-applicable |
| North America Fuel Systems |
| North Star Reach |
| NorthStar Clean Energy |
| Northstar Clean Energy |
| NorthStar Clean Energy/Dearborn Industrial Generation |
| Novilla RNG, LLC |
| Nth Consultants, LTD |
| NTH Consultants, Ltd. |
| OPC, Arbre Farms LLC |
| Opus Packaging |
| Pace |
| Pankiewicz Cider Mill & Farm Market |
| Partner Engineering and Science |
| Partner Engineering and Science, Inc. |
| Patriot Engineering and Environmental |
| Patriot Engineering and Environmental, Inc. |
| Patriot Engineering, PC |
| PHI Environmental Consulting |
| Pinchin LLC |
| Pinchin, LLC |
| Piston Automotive |
| Plascore, Inc. |
| Plastomer Corporation |
| Plummer's Environmental Services, Inc. |
| PotlatchDeltic Land & Lumber, LLC. |
| PowerVac Group |
| PTS Consulting, LLC |
| Purem by Eberspaecher |
| Quandel Consultants |
| Quincy Street inc. |
| Ramboll |
| Recent Graduate |
| Republic Services |
| Republic Services - ES |
| Republic Services Group |
| RES |
| RES, LLC |
| Resource Environmental Solutions, LLC |
| Rhythm Automotive Group |
| Riverside Energy Group |
| Roquette |
| Roush Industries |
| Saginaw Chippewa Indian Tribe |
| Saginaw Chippewa Indian Tribe of Michigan |
| Samsung SDI America, Inc. |
| Seksui Kydex |
| SES |
| SES ENVIRONMENTAL |
| SES Environmental |
| SET Environmental |
| SGS North America Inc. |
| Sheetz |
| Sidock Group Inc. |
| Sidock Group, Inc. |
| SK Siltron CSS |
| SKF |
| SME |
| SMR Motherson Automotive Systems Inc USA |
| South Channel |
| South Channel Environmental Consulting LLC |
| South Channel Environmental Consulting, LLC |
| South Redford School District |
| Southeast Macomb Sanitary District |
| Spicer Group |
| State of Michigan |
| State of Michigan - Air quality |
| State of Michigan - DMVA - 127th Wing SANGB |
| State of Michigan, EGLE, Air Quality Division |
| Steelcase |
| Steelcase Inc. |
| STEGO INDUSTRIES |
| Stellantis |
| Stewart Sutherland Inc |
| Student |
| Superior Medical Waste Disposal |
| Superior Medical Waste Disposal, LLC |
| SWARTZ CREEK MEADOWS |
| Taplin Group |
| Taplin Group, LLC |
| TC Energy |
| TCE |
| Technical Environmental Services |
| Testing Engineers & Consultants, Inc. |
| Tetra Tech |
| TetraTech |
| The Charter Township of West Bloomfield |
| The DECC Company |
| The PowerVac Group |
| Thermo Fisher Scientific |
| Think Environmental |
| Tiara Yachts |
| Tommy Car Wash System |
| Toyota Motor North America - R&D |
| Trace Analytical Laboratories Inc. |
| TRC |
| TRC Corporation |
| TRC Environmental Corporation |
| Treado Engineering & Development |
| Trinity Consultants |
| Trinity Health |
| Trinseo LLC |
| United Bay Community Credit Union |
| University of Michigan |
| University of Michigan - Flint |
| University of Michigan Recent Graduate |
| US EPA |
| USEPA |
| VA ANN ARBOR HEATHCARE SYSTEM |
| Valicor Environmental Services |
| Vapor Control Solutions |
| Village of Elk Rapids |
| VK Civil |
| Wacker Chemical Corporation |
| Wacker Chemical Corporation |
| Warner Norcross + Judd |
| Warren Woods Public Schools |
| Wayne County Airport Authority |
| Wayne State University |
| WCWRC |
| Webco Industries |
| Weston Solutions |
| Weston Solutions, Inc. |
| White Water Associates, Inc. |
| Wolverine Pipe Line Company |
| Wolverine Power COOP |
| WOLVERINE POWER COOPERATIVE |
| Wolverine Power Supply Cooperative, Inc. |
| WSP |
| Wynalda Packaging |
| Zeeland Farm Services |
| ZFS |
| ZFS Solutions, LLC |
| Zoetis |
| Zoetis Inc. |
| Zug Island Boat House |