Based in Houston, Texas, RectorSeal, LLC, is a wholly owned subsidiary of CSW Industrials, Inc. [NYSE: CSW] and is a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets. The primary end markets we serve with our well-known brands include HVAC/R, plumbing, electrical, general industrial, architecturally-specified building products, energy, mining, and rail transportation.