Metropolitan Industries is a diversified manufacturer of custom pumping packages, specialty controls, and custom inverters for the residential, industrial, commercial, and municipal markets.

Franklen Equipment is a specialist in the distribution, sales and service of industrial liquid metering products, equipment and systems.

Mack Pump and Equipment Co., Inc. is a multi-line distributor of centrifugal and positive displacement pumps, parts, and accessories serving industrial and commercial fluid handling needs throughout Northern Illinois and Northwestern Indiana.