Zeman Manufacturing Company located in Lisle, IL is a fourth generation family owned and run business established in 1936. Employing 23 Individuals in our 18,000 Sq. /ft. manufacturing facility, Zeman has a reputation for meeting the exacting technological demands of sophisticated OEM and industrial clients.. Zeman excels in tube fabrication techniques including but not limited to: Laser Tube Cutting, CNC Tube Bending, Electro Chemical Cutting (Burr Free Cutting), Lathe Cutting (Including Chamfers and Grooving), End Forming, CNC Machining for Tubing, Brazing and Welding. Major Industries Served: Mass Transit Medical Device Energy Food Service Seating As an ISO 9001:2008 certified organization Zeman prides itself on Rapid Lead Times, JIT/Kanban Ordering, Flexibility and Design Capabilities.