National Commissioning Service Inc

CNA Consulting Engineers, founded in 1979 by Charles and Marlys Nelson, is a Women-Owned Business Enterprise based in Minneapolis, MN, specializing in civil, structural, and geotechnical engineering for underground construction and rehabilitation projects. With a team of registered Professional Engineers and technical staff, the firm offers an extensive range of services, including evaluation, design, and construction administration, primarily focusing on projects such as tunnel shafts and occupied underground spaces. Dedicated to serving universities, government agencies, the construction industry, and communication and energy companies, CNA provides expertise in fields like geotechnical, geostructural, and structural engineering. Their offerings encompass services such as slope bluff engineering, groundwater control, trenchless design, and movement vibration assessment, ensuring comprehensive support for various underground project needs. Generated from the website

Founded in 1969, LKPB Engineers is a full-service mechanical and electrical engineering firm. It is affiliated with various organizations, such as the U.S. Green Building Council, American Council of Engineering Companies, National Fire Protection Association, North Central Electrical Engineering Society and National Society of Professional Engineers. The firm provides a range of mechanical services, such as heating, ventilating, air conditioning, wastewater treatment, chilled water distribution, sanitary construction, fire protection, plumbing and energy simulation. LKPB Engineers serves clients in the corporate, commercial, educational, health care, government, entertainment, residential, industrial and retail sectors.