W. B. Guimarin & Co

Since 1903, W.B. Guimarin has remained committed to being South Carolina’s premier mechanical contractor, serving our customers, employees, and community with integrity and innovation. Our continued growth and success stem from consistently delivering value in every project we undertake. We offer a full range of mechanical services, working directly with end users or in partnership with general contractors and construction managers. Our expertise spans the design, estimation, and construction of new, expanded, and renovated projects—ensuring owners meet their cost, schedule, quality, and performance goals. Beyond construction, we provide ongoing maintenance and service to keep systems operating efficiently long after project completion. Our mechanically focused approach ensures the highest level of expertise in every aspect of our work. With a strong reputation for quality and a proven history of success, W.B. Guimarin is dedicated to becoming the Mechanical Contractor of Choice for owners, contractors, and designers across our marketplace.