Our Services Fire Protection Division

The Dorvin D. Leis Company Inc., established in 1967, stands as the largest mechanical contractor in Hawaii, providing a comprehensive range of services for new construction across residential homes, condominiums, resorts, and various commercial projects. With over 64 years of experience, DDL's expertise extends to state, county, and federal projects, including military facilities throughout the Hawaiian Islands. Generated from the website

Founded in 1961, Dorvin D. Leis Company is one of the leading mechanical contractors in the state of Hawaii. Operational for more than 40 years, the company specializes in ventilation, plumbing, maintenance, heating and instrumentation services. It designs and undertakes residential, commercial and industrial projects. Dorvin D. Leis Company offers services to various complexes, schools, condominiums and health clubs. The company has a staff of trained professionals, including detailers, designers, estimators, expediters, project managers and engineers. It operates a fabrication shop spread over an area of more than 5,000 square feet. The company organizes and conducts quality assurance safety programs. In addition, the company offers design and development, industrial piping and air conditioning services. Dorvin D. Leis Company is headquartered in Kahului, Hawaii.

White Cap is a one-stop-shop providing concrete accessories and chemicals, tools and equipment, building materials and fasteners, erosion and waterproofing and safety products to professional contractors. From hard-to-find products to technical expertise to jobsite training, White Cap supports professional contractors in non-residential, infrastructure and residential end markets with everything they need to keep their projects moving on time, on budget, and as safely as possible.