Mueller Streamline Co., subsidiary of Mueller Industries, Inc. (NYSE:MLI), is an integrated manufacturer and distributor of piping systems solutions. The company’s flagship products include Streamline copper tubing, line sets, fittings, valves, and related items for Plumbing and HVACR applications. Mueller Streamline Co.’s offering also includes Streamline XHP tube and fittings as well as multiple lines of ancillary products including a ball valve series designed by Mueller Refrigeration to address the market requirements for operating pressures and temperatures above the critical point for CO₂.

Mueller Refrigeration, another subsidiary of Mueller Industries, is a global leader in the design and manufacturing of premium-performance valves, protection devices and brass fittings for the commercial HVAC/R industry.  While maintaining industry certifications, such as UL, cUL and CE, the company also offers RoHS compliance for an extensive line of products. Mueller Refrigeration’s sophisticated in-house engineering and lab resource capabilities allow for continuous improvement of existing products while addressing new product development and innovations.  The company specialises in finding solutions to our customers’ most complex HVAC/R problems and applications.