The Day & Zimmermann Group

Helping companies increase efficiency and reduce project costs with our expertise in project management, fabrication and machining, staff & craft augmentation, and training. With more than 40,000 square feet of combined space, our facilities in Chattanooga, TN, and Charlotte, NC, are outfitted with the latest technology and equipment to pre-fabricate systems and confirm proof of concept, which help reduce field welding time and deliver first-time quality. We mimic field conditions such as limited access and complex configurations to meet any project requirements.

Day & Zimmermann is a leading provider of maintenance and construction services for the power, process, and industrial markets. Yoh is Day & Zimmermann's workforce solutions company and helps customers establish a strategic talent supply chain to address the complexities of managing cost, risk, quality, and value of the entire workforce. Mason & Hanger is honored and humbled to be recognized by ACEC as a Grand Award Winner for the New. Day & Zimmermann has recently kicked off their work-study program with Cristo Rey High School for.

Day & Zimmermann helps industrial plant owners in the Nuclear, Fossil, and Process industries lower their total cost of ownership by delivering innovative maintenance and construction services and solutions. We deliver complex projects safely, on time, and within budget by leveraging wide-ranging capabilities, long-standing industry experience, innovative technology, and expert project teams. Our unique approach employs seamless processes that effectively manage all aspects of the plant life cycle.

Technical expertise, welding and rigging partnerships, and a managed-task approach saved a customer more than $2 million on two challenging feedwater heater replacements.