In 1949, we began as a Long Beach-based supplier of residential heating to Southern California. Since then, we have expanded our services exponentially. Today, employee-owned Southland is one of the nation's 10 largest mechanical contractors providing full design, construction, fabrication, service and maintenance for HVAC, process piping, plumbing, fire protection, automation and controls. And we have a proven record of being among the safest mechanical contractors in the country.