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J.C. Ramsdell Enviro Service Inc is a leading provider of custom-fabricated liners and containment kits in Flandreau, SD. They specialize in designing, fabricating, installing, and repairing smart and common-sense secondary containment solutions for businesses of all sizes, ensuring environmental protection and safeguarding investments. With a range of products including steel, wooden wall, earthen dike, and rail car containment systems, as well as concrete drop-in liners and load pads, J.C. Ramsdell Enviro Service Inc offers tailored solutions that meet the specific needs of each client and industry. Their expertise and commitment to quality make them a trusted choice for all containment system requirements.Generated from the website

Formed in 1988, GeoTek Engineering & Testing Services Inc. is a professional services firm. Based in Sioux Falls, S.D., it provides consulting services in the areas, including geotechnical engineering, construction materials testing and environmental consulting. The company serves a number of clients across South Dakota, North Dakota, Iowa, Minnesota and Nebraska. It offers a wide range of services, such as subsurface exploration, laboratory testing, as well as earth structures, slopes and retaining systems, among others. GeoTek Engineering & Testing Services Inc. is also one of the leaders in the field of geotechnical engineering.

Founded in 1986, POET, LLC is one of the largest ethanol producers in the world. It is a privately held company that provides development, design, engineering, construction, management and marketing services for its plant networks. Located in Sioux Falls, S.D., the company also offers a wide range of products and services, such as plant management, nutrition, ethanol products, research, risk management, biomass, biorefining and many more. POET, LLC has a network of more than 27 plants owned by various investors in seven states and produce approximately 1.6 billion gallons of ethanol annually.