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Last updated: April 2026
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Sub Source, Inc.

rockford, IL
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NADCAP-accredited NDT lab specializing in liquid penetrant inspection (LPI), magnetic particle inspection (MPI), and Nital Etch services for aerospace, defense, agricultural, and automotive parts. Offers remote NDT services.

Liquid penetrant inspection (LPI)Magnetic particle inspection (MPI)Nital Etch (Temper Etch)Remote NDT services
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