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Pro-Tech has grown to be the leader in the heat treating, steel producing, lime producing, cement producing and power generation industries.

Prototech Co. Questions

The Prototech Co. annual revenue was $9.4 million in 2026.

Prototech Co. is based in Downers Grove, Illinois.

The NAICS codes for Prototech Co. are [3328, 332, 33].

The SIC codes for Prototech Co. are [339, 33].

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