| PARTNER | Catalent Pharma Solutions |
| PARTNER | Central Motor Wheel of America |
| PARTNER | E.D. Bullard Company |
| PARTNER | East Kentucky Power Cooperative- Bluegrass Power Station |
| PARTNER | East Kentucky Power Cooperative Headquarters |
| PARTNER | East Kentucky Power Cooperative-H.L. Spurlock Power Station |
| PARTNER | East Kentucky Power Cooperative-J.K. Smith Power Station |
| PARTNER | East Kentucky Power Cooperative-John Sherman Cooper Power Station |
| PARTNER | Leggett & Platt Inc. |
| PARTNER | Marathon Pipeline LLC |
| PARTNER | MPLX Terminals LLC |
| PARTNER | Woodford Reserve |
| PARTNER | Yokohama Industries Americas Inc. Sealant Division |
| PARTNER | Zeon Chemicals LP |
| MASTER | 3M Cynthiana |
| MASTER | Aichi Forge USA, Inc |
| MASTER | American Synthetic Rubber LLC |
| MASTER | Beam, Inc. |
| MASTER | Catlettsburg Refining, LLC |
| MASTER | Duke Energy East Bend Station |
| MASTER | International Paper - Maysville Mill |
| MASTER | Kentucky American Water |
| MASTER | Kentucky Utilities Company-E.W. Brown Generating Station |
| MASTER | Kentucky Utilities Company-Ghent Generating Station (GGS) |
| MASTER | Kentucky Utilities Company-Haefling Generating Station (HGS) |
| MASTER | Leggett & Platt, Incorporated |
| MASTER | Louisville Gas and Electric -Cane Run Generating Station |
| MASTER | Louisville Gas and Electric Company-Magnolia Station |
| MASTER | Louisville Gas and Electric Company-Mill Creek Generating Station (MCGS) |
| MASTER | Louisville Gas and Electric Company-Muldraugh Station |
| MASTER | Louisville Gas and Electric Company-Paddys Run Generating Station (PRGS) |
| MASTER | Louisville Gas and Electric Company-Trimble County Generating Station (TCGS) |
| MASTER | Louisville Gas and Electric Company-Zorn Generating Station (ZGS) |
| MASTER | Maker's Mark Distillery, Inc. |
| MASTER | North American Stainless |
| MASTER | Nucor Steel Gallatin |
| MASTER | Sekisui S-Lec America LLC |
| MASTER | Toyota Motor Manufacturing Kentucky (TMMK) |
| MASTER | Toyota Motor Sales, USA, Inc. |
| MASTER | U.S. Army Garrison, Fort Knox |
| LEADER | Asahi Bluegrass Forge |
| LEADER | Campari America- Wild Turkey Distillery |
| LEADER | Four Roses Distillery, LLC |
| LEADER | General Motors-Bowling Green Assembly |
| LEADER | Interplastic Mfg. Co., Thermoset Resins Division |
| LEADER | Jim Beam Brands Old Grand-Dad Plant |
| LEADER | Lexington-Fayette Urban County Government |
| LEADER | LGC Science, Inc. |
| LEADER | National Office Furniture |
| LEADER | National Office Furniture - Fordsville |
| LEADER | Sanitization District 1 |
| LEADER | Smithfield Packaging - Grayson Plant |
| LEADER | Smithfield Packaging - Middlesboro |
| LEADER | The J.M. Smucker Company |
| EXCEL Farm | Diggin' It Farm |
| EXCEL Farm | Kentucky Beef Network |
| EXCEL Farm | McMaine's Riverhaven Farm |
| EXCEL Farm | Sherwood Acres LLC |
| ADVOCATE | American Cave Conservation Association |
| ADVOCATE | Bluegrass Greensource |
| ADVOCATE | Clean Water Professionals of KY and TN |
| ADVOCATE | Copperhead Environmental Consulting, Inc. |
| ADVOCATE | Csonka Household |
| ADVOCATE | Family Care Center |
| ADVOCATE | GleanKY |
| ADVOCATE | KCHMM |
| ADVOCATE | Kentucky Association for Environmental Education |
| ADVOCATE | Kentucky Community and Technical College System- Systems Office |
| ADVOCATE | Kentucky Distillers' Association |
| ADVOCATE | Kentucky Pollution Prevention Center |
| ADVOCATE | KY NEED Project |
| ADVOCATE | Larry Taylor Household |
| ADVOCATE | Mountain Association for Community Economic Development, Inc. (MACED) |
| ADVOCATE | Osterman Household |
| ADVOCATE | Saint Agnes Parish |
| ADVOCATE | Shield Environmental Associates Inc. |
| ADVOCATE | Swift & Staley Team |
| ADVOCATE | SynTerra |
| ADVOCATE | The Akers Family |