EWT/3DCNC Inc. - Rockford, IL (Serving Iowa)
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2008 & AS9100 Rev. B certified manufacturer of copper tungsten squares. Available in 14.25 g/cu. cm to 15.56 g/cu. cm density & 90 RB to 104 RB hardness. Copper tungsten is also used in EDM applications.
www.ewt3dcnc.com/default.asp?upage_id=14932...

Baldwin International - Wildwood, MO (Serving Iowa)
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of standard & custom squares. Cold drawn Nichroloy® square steel bars are available. Used for rails & tool room applications.
www.baldwininternational.com/otherproducts....

General Sheet Metal Works, Inc. - Waterloo, IA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of squares in materials including copper, aluminum & stainless, carbon & galvanized steel. Sizes range from 3/8 in. to 7/8 in. Other metal forms include railings, hobbyist miniature shapes, perforated metal & rounds.

Wilton Precision Steel - Wilton, IA
Manufacturer, Custom Manufacturer
Manufacturer of cold drawn steel bars (flats, rounds, squares, hexes & specials). Rounds, squares & hexes range from 3/4 in. to 4 1/2 in. Flats range from 1/4 in. to 3 in. in thickness & 1 in. to 6 in. in width. Offer incremental sizes & grades. Cold drawn raw material is purchased from SBQ mills. Custom length bars are available. In addition to custom lengths, offering the following processes: chamfering, polishing, stamping, bending, milling, cutting, welding & turning.