in West Mifflin, Pennsylvania

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Pittsburgh Institute of Aeronautics (PIA)

5 Allegheny County Airport, 15122 West Mifflin, United States

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Praxair Inc

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Bettis Atomic Power Laboratory

Pittsburgh McKeesport Boulevard 814, 15122 West Mifflin, United States

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Best Buy

Clairton Boulevard 473, 15236 Pittsburgh, United States

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Matheson

Thompson Run Road 903, 15122 West Mifflin, United States

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Senate Engineering Co

5th Avenue 500, 15132 McKeesport, United States

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KLH Engineers, Inc.

5th Avenue 500, 15132 McKeesport, United States

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Kostovny Electric

Greensprings Avenue 4205, 15122 West Mifflin, United States

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Omega Electric

Interboro Avenue 5135, 15207 Pittsburgh, United States

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Exxon

East 22nd Avenue 103, 15120 Munhall, United States

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Bombardier Transportation

Lebanon Church Road 1501, 15236 Pittsburgh, United States

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Dagostino Electronic Services, Inc.

Mifflin Road 600, 15207 Pittsburgh, United States

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Leidos

Lebanon Church Road 3000, 15122 West Mifflin, United States