Mark Petruzzi of Green Seal (right) conducts an on-site audit for Trane’s initial Green Seal certification of the EarthWise CenTraVac Centrifugal Chillers in 1997.
Distributors packed the room at the 1956 National Sanitary Supply Association (now known as ISSA) convention in Chicago to see the floor maintenance demonstration program.

General Floorcraft helped make vacuuming easy in the early 1960s.
Herman Collins silkscreen’s chemical buckets at Maintex in the 1970s. Collins was a longtime employee and remained with the distributor until his passing five years ago.

Some of the first employees of Hill and Markes, which was founded in 1906 by Amos Hill and Charlie Markes. In 1947, the company was purchased by the Finkle family.
Demonstrating the DS 59, Kärcher’s best-selling 1960s product, at the Bundesbahn (a Germany Railway Organization) workshop.

Fred Glass (left) learned all about the sanitary supply business from Max Stetson, his father-in-law and founder of M.D. Stetson Co. Today, the company is led by Max’s grandchildren Andrea and Mike Glass.
A worker demonstrates how a NSS vacuum can be used for automobile cleaning at a car dealership in the 1920s.

Wilson, a Malish Corporation machine operator, manufactures a floor pad in the company’s old building in Cleveland.
Workers demonstrate the cleaning abilities of Multi-Clean equipment in 1949.

Fred Leventhal, chairman of the board of O-Cedar Vining at the company’s Springfield, Ohio, facility in 1993. O-Cedar sold its commercial division to Fred’s son Todd in 2003, which led to the creation of Nexstep Commercial Products.
The National Chemical Laboratories booth at a 1956 trade show. Founder Alfred Pollack is standing far left.

Manufacturer Rep Bob Senour (right) of J.W. Wehrheim Company (which merged with R.E. Fehringer & Associates to form Pinnacle Sales & Marketing, Inc.) explains a promotion package to Milan Rabatic of North American Paper Co. in 1990.
Marvin Klein (far left), founder of PortionPac Chemical Corporation, with some of the company’s distributors at the Distributor Schoolhouse in 1980.

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Jan/San Retrospective Photo Gallery Part 1
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