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About Us

PLC Superstore

Tek Supply was started over 24 years ago in the Chicago area. The company grew out of a need for supporting PLC systems that were no longer being manufactured or supported. At the time only a hand full of companies were selling or repairing obsolete products such as the Modicon, Texas Instruments, and Westinghouse PLC product lines. Other products such as Allen Bradley, GE, and others were added to the product line as the demand and acceptance of reconditioned PLCs and controls grew among the process control industry. Today Tek Supply Inc is one of the leading suppliers of these products on a worldwide basis. Our customers include most of the Fortune 500 manufacturers and government and military installations around the world.

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(815) 334-1688

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