Mercury Displacement Industry Inc

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MDI Inc. specializes in the manufacture of liquid level controls in wide and narrow angle mechanical or mercury type floats. It supplies products to plumbing supply companies, contractors, municipal sewage treatment plants and control panel specialists. The company also sells 2HP Grinder/Sewage Pumps. It manufactures mercury contactors, relays, tilt switches, solid state relays and timers. Since 1993, the company has been selling the SP-1130 Series to the traffic control industries. The MDI Inc. grinder pumps find uses in residential, light commercial or industrial sanitary waste.