Hercules Chemical Company, Inc
Hercules is a marketer of a full line of chemicals and other specialty products for the plumbing and heating industry. http://www.herchem.com/
Edelstahl
Manufacturer of stainless steel drainage systems.
Marshall Instruments, Inc.
Manufacturer of bi-metallic dial thermometers and distributor of shock proof pressure gauges. We also carry the McDaniel line of pressure gauges.
Donglimeng
A specialist humidifier and humidity and constant controller manufacturer.
Richards - Wilcox
Manufacturer of spacesaving office filing systems.