Mueller Industries, Inc. (Mueller) is a manufacturer of plumbing, heating, ventilation, and air-conditioning (HVAC), refrigeration, and industrial products. The Company's products include copper tube and fittings; brass and copper alloy rod, bar, and shapes; aluminum and brass forgings; aluminum and copper impact extrusions; plastic fittings and valves; refrigeration valves and fittings; fabricated tubular products, and steel nipples. The Company also resells imported brass and plastic plumbing valves, malleable iron fittings, faucets and plumbing specialty products. The Company operates through two segments: Plumbing & Refrigeration and Original Equipment Manufacturers (OEM). The Plumbing & Refrigeration segment is composed of Standard Products, European Operations, and Mexican Operations. The OEM segment is composed of Industrial Products (IPD), Engineered Products (EPD), and Jiangsu Mueller–Xingrong Copper Industries Limited (Mueller-Xingrong), the Company's Chinese joint venture.