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Lean Environment

Lean Environment (LEI) is a full-service engineering firm that offers innovative process design and engineering assistance to businesses. Our company was built on the foundation of an environmental services provider, and over thirty-five years have evolved into a focus on companies’ most difficult process design and engineering challenges. LEI developed and patented Enpurion® water treatment technologies and will support their application whenever need arise. 

LEI has also assisted hundreds of companies solve their biggest challenges and achieve their long-term business goals. We have developed technologies in pharmaceuticals, semi-conductors, non-stick coatings, metal finishing, food processing and preservation, transportation, and dozens of other industries.  In the environment arena, we have developed new technologies in cyanide, selenium, molybdenum and arsenic waste treatment, water conservation, recycling, and zero-discharge manufacturing. A registered Engineering Corporation in Washington and licensed Professional Engineers in Oregon, LEI engineers and scientists share wide experience in solving chemical, civil, mechanical and environmental engineering challenges.

As its developer, LEI will always support the Enpurion® product line with whatever engineering, compliance or regulatory needs arise. If your organization is experiencing a significant processing challenge without an apparent resolution, please consider an inquiry or telephone consultation. Unfortunately, LEI can no longer accept projects solely involving day-to-day regulatory compliance activities, but we can refer you to one of many companies that can help you with great enthusiasm.  Telephone consultation is free – we’ll usually be able to steer you to the right resource if your problems are not a good fit for us.

Please feel free to reach out through the link below – we will respond quickly and efficiently.