Who We Are

Case M&I is a leading manufacturer of high-quality water makers that has delivered innovative and adaptive solutions to its clients since 1998. As a global organization, Case M&I specializes in delivering reverse osmosis and evaporator technology for marine vessels and land-based applications.

Company History

Case M&I is a field service company committed to long standing customer relationships and implementation of quality solutions. Founded in 1998, and with the association to our product lines, we have received top honors in the industry for our service and follow through to the customers.

Every customer is important to us as our field service background keeps our focus on reliability of machine and reliability of our people to ensure that all of your spare parts, machine sales and technical needs are satisfied.

In an aggressive industry such as marine, industrial and oil production commitment to support is key and Case M&I is available 24 hours a day 7 days a week.

Global Clients

Client01 holland Client02 princess Client03 seaborn Client04 po Client05 windstar Client06 aleutian Client07 coastalvillages Client08 trident Client09 glacier Client10 premierepacific Client11 goldenalaska Client12 americanseafoods Client13 arcticstorm


Partner ge

GE Power & Water | Water & Process Technologies

As a strategic business partner, GE offers the most comprehensive set of chemical and equipment solutions and services available, helping customers manage and optimize their water resources and process challenges across industries and municipalities.

Partner boll


A world market leader for filtration technology in the marine and engine construction sectors. We are a specialist in filtration of liquids and gases. Our application-optimized automatic, duplex and simplex filters are the result of our own research and development and comply with international technical standards.

Partner fedco


Fluid Equipment Development Company (FEDCO) is a global leader in the design, manufacture, and sale of high-pressure pumps and energy recovery device packages for brackish and seawater RO systems. FEDCO builds the best-performing equipment for real world applications.

Partner maxim


Maxim's legacy has and continues to be the development of technologies that meet the needs of the desalination industry. Maxim has expanded its technologies to meet the fresh water needs clients.

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(206) 352-8000

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Case M&I

18802 67th Ave NE

Arlington, WA, USA 98223