| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Laco Lenox Tools Lochinvar Ladish Co. Lasco Lavelle Industries Leonard Valves Little Giant Pump Company Louisville Tin & Stove (Cozy)
Mansfield/Norris Masco Master Ballcocks McGuire Mfg Mega Western Sales Metlund Systems Michigan Hangers Microengineering Mikro Milcor Milwaukee Tools Milwaulkee Valve Mission Clay Mission Rubber Mixet MG Coupling Moen Mr. Steam Mueller Streamline
Pacific Seismic Products Pacific Plastics Peerless Faucet Perfecto Products Pioneer Industries Pipe-Tytes Plastic Services Plumb Hammers Plumberex Price Pfister Precision Products (PPP) PW Pipe
Water, Inc. Watco Watts Regulator Western Pottery Westmark Enterprises Werner Ladder Westbrass Wheeler Cutters Wilkins Regulator Co Wirsbo
