Testing Service Corporation
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Geotechnical and construction material testing for commercial, industrial, public and residential projects in Chicagoland area.
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John 'Jack' Massa
President
John 'Jack' Massa
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Heather Nilles
Environmental Site Assessment Manager
Pradip Tailor
Soils Laboratory Manager/rso
Charles Dubose
Vice President
Michael MacHalinski
Vice President
Steve Koester
Vice President
Gerry Green
Payroll Administrator
