Local 38 Contractors Deliver Quality, Safety & Value Craftsmanship -- delivering quality work and value to customers, day in and day out -- is a way of life for Local 38's Craft Certified piping, plumbing, heating, air conditioning and refrigeration technicians. Our technicians work for Craft Certified contractors, the best in the industry. The Craft Certified emblem is your assurance that our plumbing, heating and air conditioning contractors employ master craftsmen and craftswomen trained and certified at our training centers. Working together, our technicians and contractors have the ability to meet the most rigorous health and safety regulations. We know building, plumbing and mechanical codes inside and out. And we believe in using the quality techniques and materials required for creating long-lasting, high-performing systems. Craft Certified technicians and contractors are your guarantee that when we build or service plumbing, piping, heating, air conditioning and refrigeration systems, in your home or business -- the job gets done right, the first time.