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Testing Service Corporation Service Is Our Middle Name
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67 Years Of Experience!

Corporate Management

John Jack Massa P.E.

John "Jack" Massa P.E.
President

Office: 630-784-4002
Mobile: 815-325-0300
Email: jmassa@tsccorp.com

Kathy Schimick

Kathy Schimick
Customer Relations

Office: 630-784-4003
Email: kschimick@tsccorp.com

Michael Geroulis

Michael Geroulis
Vice-President, Finance

Office: 630-784-4028
Email: mgeroulis@tsccorp.com

Geraldine Green

Geraldine Green
Human Resources & Payroll

Office: 630-784-4029
Email: gerryl@tsccorp.com

Stacey Pryble

Stacey Pryble
Accounts Receivable/Payable

Office: 630-784-4026
Email: spryble@tsccorp.com