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JENNMAR

JENNMAR

In 1972 Frank Calandra Jr and his brother Jack Calandra formed JENNMAR, a subsidiary of Frank Calandra, Inc. JENNMAR designs and manufactures a wide range of dependable ground control products, from bolts and beams to channels and trusses, resin, rebar, and more.

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About JENNMAR

Founded

1965

Estimated Revenue

$250M-$500M

Employees

251-1K

Funding / Mkt. Cap

$250M

Category

Sector

Materials

Industry Group

Construction Materials

Industry

Building Materials

SIC Code

34

NAICs Code

332722

Location

City

Pittsburgh

State

Pennsylvania

Country

United States

Tech Stack (53)

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