TSI Incorporated serves a global market by investigating, identifying and solving measurement problems. As an industry leader in the design and production of precision measurement instruments, TSI partners with research institutions and customers around the world to set the standard for measurements relating to aerosol science, air flow, indoor air quality, fluid dynamics and biohazard detection.

United Piping Inc. (UPI) is a general contractor specializing in the construction of new, and modifications of existing facilities for the oil and gas industry. Services offered include pipeline facility construction, pipeline maintenance, pipeline fabrication, horizontal directional drilling, access services, and blasting, coating and painting services to the oil and gas pipeline industry.

Weber & Troseth provides the Minneapolis, and St Paul MN area with a complete range of installation and repair services for restaurant and industrial fire suppression systems. Their professionals are among the best in the industry and are trained to provide with the solutions one needs as well as the quality they deserve.