Barr Engineering Co. -  A full-service engineering and environmental consulting firm. We offer permitting, design, operation support, environmental evaluation and response design, monitoring, data management and evaluation, reporting assistance, and other supporting services for landfills, lined ponds and other environmental facilities.

JWR, Inc. - JWR Inc. is a waste and recycling equipment, service, and parts provider.  From compactors to balers, hoists to garbage trucks, JWR is the one stop shop for all of your equipment needs.  JWR offers consultations on all of the equipment we provide to help you find the best solution for your waste and recycling material stream.

Knight Compliance - Provides landfill operations & construction, trucking regulations and health & safety advice and services. Regulatory covered: OSHA, FMCSR (DOT), PHMSA & NDDEQ.

MVTL - Founded in 1951, Minnesota Valley Testing Laboratories, Inc. (MVTL) is a diverse group of chemical and biological analytical laboratories offering environmental, energy, agricultural, and food science technology testing services. Centrally located in the Midwest and serving customers throughout the US and Canada, we are certified by a host of regional and national agencies.  Our traditions of excellence run deep.
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Olympic Sales, Inc. - Waste equipment and truck supplier.

Owl, Inc - Owl, Inc. provides TENORM collection and disposal. Also, we sell new filter bags, filter vessels and filter vessel parts.
 
Recovery Systems Company, Inc. - An equipment vendor and the exclusive representatives for Harris Waste Management and American Balers. We also have a Service Department fully trained Techs by both American and Harris Factory Service Technicians. Our sales and service area includes Minnesota, North Dakota, South Dakota, Nebraska, Iowa, and Wisconsin.
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