Bahnson is a large, national specialty engineering, manufacturing, and mechanical systems contracting firm specializing in ultra-low freezers and environmental chambers. We provide infrastructure and construction management services to a variety of clients requiring the highest level of guaranteed mechanical system quality, performance, and reliability. We offer a comprehensive range of industrial construction services, including mechanical engineering, process piping design, plant construction, industrial facilities and construction management services, and HVAC systems and piping.

We are proud of Bahnson's 100+ year history as a mechanical engineering contractor. The Bahnson family began by selling industrial humidifiers to the textile industry in 1915, and steadily grew the company through the middle of the century. In the 1970s and '80s, they were a major supplier of air conditioning systems to the utility industry including nuclear power plants. As the 1900s became the 2000s, the company continued to thrive under Swedish and Swiss ownership with offerings in cleanroom technology and the industrial HVAC market.

Construction management operations have been a vital part of Bahnson's core business for more than 50 years. In addition to being a mechanical construction company that employs highly skilled craftsman and a talented construction management team, we are well versed in the knowledge of regulatory restrictions and labor law around the country. It is our standard operation to execute all construction services projects using techniques, control systems, and work processes which will provide optimal results in regards to safety, cost, quality, and schedule for our clients.

Through our Environmental Specialties business unit in Raleigh, NC, we design and fabricate a diverse product line of controlled environment chambers that create a precise environment for clients' research, development, and manufacturing processes. Through our Intermech business unit, we provide mechanical pipe fabrication services, including hygienic and high purity piping, stainless steel piping, industrial piping systems, process piping, carbon steel piping, custom fabrication and fabrication solutions, mechanical equipment skids, and other special code fabrications requiring implementation of our NQA-1 QA program or within the guidelines of Current Good Manufacturing Practices (cGMP).

We offer a comprehensive range of industrial construction services, including mechanical engineering, process piping design, plant construction, industrial facilities and construction management services, and HVAC systems and piping. We strive to exceed our client's expectations and requirements daily through our field operations and support services teams. Service is not a part-time business for us but is an integral part of our business strategy. In order to remain successful, we recognize and address the need for continuous investment in terms of human and financial resources, employee training and certification, and tools and equipment.

Bahnson is a diversified architectural engineering, civil engineering, and mechanical design company that provides solutions for in-plant environmental conditions. We provide air treatment systems and industrial ventilation for the control of all internal conditions, such as temperature, relative humidity, cleanliness, and ventilation. Our systems are designed for a wide range of manufacturing, power generation, and commercial facilities. We also provide mechanical design services optimized for control and cleaning of process emissions.

We provide complex specialty air and mechanical systems, including preventative maintenance, for virtually every market segment within the U.S. Our 95 years of experience gives us an unparalleled understanding of systems and operational needs. For our preventive maintenance program and services, we have established regional service centers to provide the best possible service to our clients in the southeast. These centers have industrial building maintenance service personnel dedicated to meeting the service needs for that area and if needed, any area where our equipment or systems are located.

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