Philip Snellen

Zep, Inc. produces and markets cleaning and maintenance chemicals. It offers anti-bacterial and industrial hand care products, cleaners, degreasers, deodorizers, disinfectants, floor finishes, sanitizers, pest- and weed-control products and automotive maintenance chemicals. The firm market its products and services under the Zep, Zep Professional, Zep Commercial, Zep Automotive, and other Zep Inc. brands. The company was founded by Mandle Zaban, Sam Zaban, William Eplan, and Saul Powell in 1937 and is headquartered in Atlanta, GA.

Birko Corp. provides manufactures cleaning, and sanitation chemicals products. It offers products from cleaners and sanitizers to processing and rendering agents. The company was founded in 1953 and is headquartered in Henderson, CO.

Diversey, Inc. engages in the provision of cleaning, sanitation, and maintenance products, systems, and services. The firm offers floor care, dilution control, kitchen care, infection prevention, fabric care, food and beverage production, building care, and personal care. The company was founded by August Koch and Herbert W. Kochs on August 4, 1923 and is headquartered in Fort Mill, NC.

Part of Ecolab, Inc., Gibson Chemical Industries Pty Ltd. is an Australian company that makes chemical, cleaning, and anticorrosive products. The company is based in Cheltenham, Australia. Gibson Chemical Industries was acquired by Ecolab, Inc. on January 12, 1998 for $127.02 million.