| MCELROY RANCHES, INC. | | | environmental violation | 2001 | EPA | $5,000 |
| ECHO BAY MINERALS COMPANY | | | environmental violation | 2000 | EPA | $5,000 |
| PROTECTIVE COATINGS, INC. | Berkshire Hathaway | diversified | environmental violation | 2000 | EPA | $5,000 |
| ADVANCED SILICON MATERIALS LLC | | | environmental violation | 2000 | EPA | $5,000 |
| BLOUNT, INC. | | | environmental violation | 2000 | EPA | $5,000 |
| ANODIZING, INC. | | | environmental violation | 2000 | EPA | $5,000 |
| EAST SIDE PLATING, INC. | | | environmental violation | 2000 | EPA | $5,000 |
| MITSUBISHI SILICON AMERICA | Mitsubishi Materials | building materials | environmental violation | 2000 | EPA | $5,000 |
| FORT JAMES CORPORATION | Koch Industries | diversified | environmental violation | 2000 | EPA | $5,000 |
| HYTEK FINISHES COMPANY | TransDigm | aerospace and military contracting | environmental violation | 2000 | EPA | $5,000 |
| TILLAMOOK COUNTY CREAMERY ASSOCIATION | | | environmental violation | 2000 | EPA | $5,000 |
| LINKS GOLF COURSE | | | environmental violation | 2002 | EPA | $5,000 |
| Davis Constructors and Engineers Inc | | | environmental violation | 2004 | EPA | $5,000 |
| GENIE INDS. - SOUTH CAMPUS | | | environmental violation | 2004 | EPA | $5,000 |
| GENIE INDS. - MOOSEWERKS | | | environmental violation | 2004 | EPA | $5,000 |
| POPE TALBOT INC. HALSEY PULP MILL | | | environmental violation | 2004 | EPA | $5,000 |
| GENIE INDS. - Z45 | | | environmental violation | 2004 | EPA | $5,000 |
| GENIE INDS. MOSES LAKE | Terex | heavy equipment | environmental violation | 2004 | EPA | $5,000 |
| SHELL OIL PRODS. U.S. PUGET SOUND REFY. | HF Sinclair Corporation | oil and gas | environmental violation | 2004 | EPA | $5,000 |
| SIMPSON TACOMA KRAFT COMPANY LLC. | Smurfit Westrock PLC | paper and packaging | environmental violation | 2004 | EPA | $5,000 |
| Hall Quality Homes | | | environmental violation | 2004 | EPA | $5,000 |
| Church on the Rock | | | environmental violation | 2004 | EPA | $5,000 |
| PACIFIC SEAFOOD - KODIAK, LLC | | | environmental violation | 2006 | EPA | $5,000 |
| Tangent, OR 101 | | | environmental violation | 2011 | EPA | $5,000 |
| Petro Star | | | environmental violation | 2016 | EPA | $5,000 |
| Spokane Community College | | | environmental violation | 2016 | EPA | $5,000 |
| Gordon Trucking, Inc | Heartland Express | freight and logistics | environmental violation | 2016 | EPA | $5,000 |
| Coastal Manufacturing | | | environmental violation | 2016 | EPA | $5,000 |
| Leviton Manufacturing Company Inc. | | | environmental violation | 2016 | EPA | $5,000 |
| Skills Inc. | | | environmental violation | 2016 | EPA | $5,000 |
| Electrofinishing, Inc. | | | environmental violation | 2017 | EPA | $5,000 |
| Davis Industries, Inc | | | environmental violation | 2017 | EPA | $5,000 |
| All American Propane, Inc. | | | environmental violation | 2017 | EPA | $5,000 |
| Mt. Clemans Chevron | | | environmental violation | 2018 | EPA | $5,000 |
| Pat & Mike's Texaco | | | environmental violation | 2018 | EPA | $5,000 |
| Travis Industries Inc | | | environmental violation | 2018 | EPA | $5,000 |
| Scarsella Brothers Inc | | | environmental violation | 2018 | EPA | $5,000 |
| PSM LLC | | | environmental violation | 2018 | EPA | $5,000 |
| Cedar Grove Composting | | | environmental violation | 2018 | EPA | $5,000 |
| Inland Northwest Metallurgical Services, Inc. | | | environmental violation | 2019 | EPA | $5,000 |
| El Oro Cattle Feeders | | | environmental violation | 2020 | EPA | $5,000 |
| BSD Investments, Inc. | | | environmental violation | 2020 | EPA | $5,000 |
| Industrial Research Products | | | environmental violation | 2020 | EPA | $5,000 |
| OREGON COAST SCENIC RAILROAD | | | environmental violation | 2020 | EPA | $5,000 |
| A-1 Petroleum Company | | | environmental violation | 2020 | EPA | $5,000 |
| DeAtley Crushing Company | | | environmental violation | 2020 | EPA | $5,000 |
| Blue Star Gas-Seattle, Co. | | | environmental violation | 2021 | EPA | $5,000 |
| Atwood Adhesives, Inc. | | | environmental violation | 2021 | EPA | $5,000 |
| Rainier Flight SVC | | | environmental violation | 2021 | EPA | $5,000 |
| Pro-Flight Aviation, Inc. | | | environmental violation | 2021 | EPA | $5,000 |
| 1st Propane of Whatcom County, Inc. DBA Economy Pr | | | environmental violation | 2021 | EPA | $5,000 |
| Coatings Unlimited, Inc. | | | environmental violation | 2022 | EPA | $5,000 |
| Genesee Fuel and Heating Company, Inc. | | | environmental violation | 2022 | EPA | $5,000 |
| Arlington Flight Services, Inc. | | | environmental violation | 2022 | EPA | $5,000 |
| Weyerhaeuser Company | Weyerhaeuser | building materials | environmental violation | 2022 | EPA | $5,000 |
| R. W. Scott Construction Company | | | environmental violation | 2022 | EPA | $5,000 |
| Watson Asphalt Paving Company, Inc. | | | environmental violation | 2022 | EPA | $5,000 |
| Schlumberger | Schlumberger | oilfield services and supplies | environmental violation | 2022 | EPA | $5,000 |
| Vigor Works, LLC dba Oregon Iron Works | | | environmental violation | 2022 | EPA | $5,000 |
| TDS Home Services LLC dba Five-Star Painting of Be | | | environmental violation | 2023 | EPA | $5,000 |
| Kiva Energy dba LP Terminals LLC | | | environmental violation | 2023 | EPA | $5,000 |
| Bornstein Seafoods, Inc. | | | environmental violation | 2023 | EPA | $5,000 |
| O. D. Snider & Son, Inc. dba Snider Energy | | | environmental violation | 2023 | EPA | $5,000 |
| Trout-Blue Chelan-Magi, Inc. Dba Chelan Fruit Co | | | environmental violation | 2023 | EPA | $5,000 |
| PACE INTERNATIONAL | | | environmental violation | 2024 | EPA | $5,000 |
| PARROT'S B AND B WELDING | | | environmental violation | 2023 | EPA | $5,000 |
| SUPERIOR SYSTEMS, INC | | | environmental violation | 2024 | EPA | $5,000 |
| MANINI'S LLC | | | environmental violation | 2024 | EPA | $5,000 |
| AMRIK TRUCKING, INC | | | environmental violation | 2024 | EPA | $5,000 |
| PUGET SOUND PETROLEUM INC | | | environmental violation | 2024 | EPA | $5,000 |
| KRAKEN COMMUNITY ICEPLEX | | | environmental violation | 2024 | EPA | $5,000 |
| RISTAR NORTH INC | | | environmental violation | 2024 | EPA | $5,000 |
| CASCADE AIRFRAME REPAIR INC dba CASCADE HELICOPTER | | | environmental violation | 2024 | EPA | $5,000 |
| BREMERTON ICE CENTER LLC | | | environmental violation | 2024 | EPA | $5,000 |
| CITY OF AUBURN | | | environmental violation | 2024 | EPA | $5,000 |
| HHU, Inc. | | | environmental violation | 2006 | EPA | $5,000 |
| Drake Petroleum Company Inc. d/b/a Xtra Mart #312 | | | environmental violation | 2007 | EPA | $5,000 |
| Wilson Oil, Inc dba Wilcox & Flegel Fuel Oil Co. | | | environmental violation | 2007 | EPA | $5,000 |
| Devon Motorcycles, Inc (SB) | | | environmental violation | 2007 | EPA | $5,000 |
| Petro Mart (SB) | | | environmental violation | 2007 | EPA | $5,000 |
| Ritchie Laatz dba KJ's (SB) | | | environmental violation | 2010 | EPA | $5,000 |
| Wilson Bros. dba Galena Chrysler/Postal Pete (SB) | | | environmental violation | 2013 | EPA | $5,000 |
| IRVING OIL CORP | Irving Oil | oil and gas | environmental violation | 2000 | EPA | $5,000 |
| BMC INDUSTRIES, INC. | | | environmental violation | 2000 | EPA | $5,000 |
| ABBOT LABORATORIES | | | environmental violation | 2000 | EPA | $5,000 |
| ALUMINUM PRECISION PRODUCTS, INC. | | | environmental violation | 2000 | EPA | $5,000 |
| ALBERMARLE CORPORATION | Albemarle | chemicals | environmental violation | 2000 | EPA | $5,000 |
| BLUE GRASS CHEMICAL SPECIALTIES | | | environmental violation | 2000 | EPA | $5,000 |
| LTV STEEL CO. | Cleveland-Cliffs | mining and minerals | environmental violation | 2000 | EPA | $5,000 |
| E.I. DUPONT DE NEMOURS CO. | Corteva | agribusiness | environmental violation | 2000 | EPA | $5,000 |
| FRITO-LAY, INC. | PepsiCo | food products | environmental violation | 2000 | EPA | $5,000 |
| THE SHAW GROUP | Shaw Group | construction and engineering | environmental violation | 2000 | EPA | $5,000 |
| XEROX CORPORATION | Xerox | miscellaneous services | environmental violation | 2000 | EPA | $5,000 |
| ECOLAB, INC. | Ecolab | chemicals | environmental violation | 2000 | EPA | $5,000 |
| DYNAMIC DETAILS, INC. | | | environmental violation | 2000 | EPA | $5,000 |
| M-D BUILDING PRODUCTS, INC. | | | environmental violation | 2000 | EPA | $5,000 |
| THE WILLIAM L. BONNELL CO. | Tredegar | miscellaneous manufacturing | environmental violation | 2000 | EPA | $5,000 |
| ROHM & HAAS, INC. | Dow Inc. | chemicals | environmental violation | 2000 | EPA | $5,000 |
| THE EATON CORPORATION | Eaton | industrial equipment | environmental violation | 2000 | EPA | $5,000 |
| GEORGIA PACIFIC CORPORATION | Koch Industries | diversified | environmental violation | 2000 | EPA | $5,000 |
| WESTINGHOUSE ELECTRIC CO. | Brookfield Corporation | diversified | environmental violation | 2000 | EPA | $5,000 |
