About Us

We are a 109,000 sq. ft. ISO-9000 registered, 6 Sigma program active, Manufacturing Firm with 150 employees located in the heart of Illinois. Founded as Tompco in 1966 and purchased by Mark Markovich in 1993.

Who are our customers?

• World leaders in the Construction Equipment Industry.
• World leaders in the production of Diesel Engines.
• World leaders in the Agricultural Equipment Industry.
• World leaders in the Engine Transmission, and Compressor Industry.
• World leaders in Pressure Regulator / Valve Body Components.
• Certified US Military suppliers.

Inside view of Illinois Machine & Tool Works