Keystone was founded as a National Fenestration Rating Council (NFRC) licensed Inspection Agency in 1998 by Former President, Marcia Falke, building on her more than 25 years experience in fenestration testing & certification. Since then, Keystone has added numerous certification, inspection and quality assurance programs focused on energy efficiency and structural quality. Our programs are utilized in a wide variety of product categories ranging from building products to appliances.
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Keystone Certifications Inc. Questions
The Keystone Certifications Inc. annual revenue was $6 million in 2026.
Jon Hill is the President of Keystone Certifications Inc..
15 people are employed at Keystone Certifications Inc..
Keystone Certifications Inc. is based in New Cumberland, Pennsylvania.
The NAICS codes for Keystone Certifications Inc. are [5419, 54199, 541, 54].
The SIC codes for Keystone Certifications Inc. are [73, 738].
Top Keystone Certifications Inc. Employees
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Jon Hill
President at Keystone Certifications Inc.
Hummelstown, PA, US15+ -
Daniel Shiflet
President at Keystone Certifications Inc.
New Cumberland, PA, US24 -
Faith K.
Quality Manager at Keystone Certifications Inc.
Harrisburg, PA, US -
Holly Bolton
Office Manager at Keystone Certifications Inc.
Felton, PA, US21 -
11
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Devin Kohler
Inspector at Keystone Certifications Inc.
Pittsburgh, PA, US22 -
12
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Allyson Anspach
Client Coordinator at Keystone Certifications Inc.
Harrisburg, PA, US1 -
Anita Stoudt
Inspector at Keystone Certifications Inc.
Harrisburg, PA, US14 -
Daniel Wadzinski
Validator at Keystone Certifications Inc.
Wausau, WI, US11
