A Treffeisen & Son

Our Story

A. Treffeisen and Sons, LLC is a century-old family-owned business that has been providing top-notch plumbing, HVAC, and electrical contracting services since 1923. With a rich history and a commitment to excellence, we have built a reputation as one of the leading contractors in the region.

Our Services

We offer a wide range of services, including design-build capability, negotiated contracts, and competitive bid plan-spec work. Our team of 20 loyal, dedicated, and professional employees performs almost all aspects of the mechanical and electric trades, including fabrication of our own ductwork in our state-of-the-art computerized facilities. We specialize in commercial, industrial, and institutional work, and have worked with numerous clients across various industries, including manufacturing, retail, hospitals, education, hotels, and municipal.

Our Expertise

Our expertise lies in our ability to handle complex projects from start to finish. We have successfully completed numerous high-profile projects, including manufacturing facilities, hospitals, schools, and government buildings. Our team of skilled technicians, engineers, and project managers work together to ensure that every project is completed on time, within budget, and to the highest standards of quality.

Our Commitment

At A. Treffeisen and Sons, LLC, we are committed to providing exceptional service, quality workmanship, and unparalleled customer satisfaction. We take pride in our work and strive to build long-term relationships with our clients. With our team of experts, state-of-the-art facilities, and unwavering commitment to excellence, we are the go-to contractor for all your plumbing, HVAC, and electrical needs.