The William Kelly & Sons group of companies is a fully licensed, insured, and bondable general mechanical contractors that provides a full range of mechanical contracting services - including specification work and design-assist - to the commercial, light industrial, and government markets. The company was established in 1972 in Calgary, Alberta, and subsequently expanded into Vancouver, British Columbia in 1989, and finally in San Diego, California in 2000. Our principals and management team bring to the table over 100 years of experience in the trade and the company has professional, experienced and dedicated personnel who embrace a team-based approach to work. This allows the company to provide a high level of quality, cost-effective solutions to the customers: on budget, on time, and safely.