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In our fifth decade in the roofing industry, we take great pride in the people and professionalism that drive CentiMark to new levels of success and excellence in roofing and flooring.

CentiMark & Ed Dunlap – An American Success Story: 1968 - 1970s

CentiMark & Ed Dunlap – An American Success Story: 1968 - 1970s

Edward B. Dunlap started D&B Laboratories in 1967 as a part-time industrial cleaning products business in the basement of his home in Pittsburgh, PA. Dunlap started Northern Chemical Company (later Northern Industrial Maintenance) with $1,000 and one associate in 1968. The upstart building maintenance products and services business produced first year sales of $98,500.

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