Dorvin D. Leis Co., Inc. (DDL), established in 1961 and relocated to Hawaii in 1967, has grown into the largest mechanical contractor in the state. Based in Kahului, Maui, DDL offers a comprehensive range of services across the entire spectrum of construction projects, including residential homes, condominiums, resorts, light commercial buildings, high-rises, schools, and military facilities. With over 500 skilled employees and multiple office locations in Hawaii and Guam, DDL is well-equipped to deliver high-quality installation services in plumbing, HVAC, sheet metal, fire protection, and temperature controls. The company prides itself on a rich history, having generated $1.25 billion in revenue over the past decade, indicative of its strong presence in the region’s construction industry. DDL operates a Special Projects Division that tackles complex projects, showcasing its adaptability and expertise.
Central to DDL's philosophy is its commitment to community and employee welfare, as reflected in its robust safety programs, charitable initiatives, and family-oriented culture. The leadership emphasizes teamwork, ethical conduct, and integrity, ensuring that all staff return home injury-free while delivering projects on time and within budget. The company supports various nonprofit organizations, contributing millions to local causes and reiterating its belief in giving back to the community. With over 56 years of experience, DDL has built enduring relationships that enhance its project success and foster a caring environment for employees—many of whom have multi-generational ties to the company. DDL remains dedicated to excellence in mechanical contracting and is guided by its core values of hard work and integrity, instilled since its founding.
