Coenen Mechanical, LLC has been a prominent provider of mechanical, plumbing, HVAC, fabrication, and engineering design services since its establishment in 1997. Initially focused on serving the pulp and paper sector as well as food and energy industries in the Midwest, the company has significantly expanded its reach, now catering to industrial customers across the nation.
The firm specializes in machine installation and upgrades, particularly in piping and sheet metal work. Its advanced capabilities have positioned Coenen as a supplier of pipe fabrication and skid-mounted equipment for general contractors, cementing its status as a preferred supplier for many well-known engineering and equipment suppliers within the industry. This includes specialized areas such as steam joints, heat exchangers, and water/wastewater treatment systems.
Coenen Mechanical prides itself on its commitment to delivering quality workmanship at competitive prices and exceptional customer service—core values that have guided the company from its inception. The team comprises experienced tradespeople skilled in various aspects of mechanical contracting, including process piping, orbital pipe welding, and the fabrication and installation of custom specialties, such as ductwork and tanks.
The company operates from a state-of-the-art 130,000 square-foot facility in Appleton, WI, equipped to handle large-scale projects, producing over 2,000 pipe spools per month. All work occurs under a strict safety policy, performed by union craftsmen trained to adhere to safety and quality standards.
Coenen Mechanical also provides around-the-clock emergency service to ensure customers receive the necessary support whenever they require it. With generations of industry experience, the company is committed to completing projects on time and under budget while ensuring the highest safety and quality standards.
