Johnson Bros. Metal Forming Co. - Berkeley, IL (Serving Minnesota)
Manufacturer, Custom Manufacturer, Service Company
Manufacturers, roll formed metal heater panels, reflectors, profiles, framing, channels, openseam tubing. All metals. 2,000ft. min. Plain/prefinished. Inline: holes, end fabricating, notching, cut to length.
www.JohnsonRollForming.com

Etchit - Buffalo, MN
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of thin precision stainless steel stampings. Ferrous & non ferrous applications include washers, battery contacts, screens, RF shields & covers, electronic components, flex circuits & decorative. Tolerances range from +/- 0.0005 in. to +/- 0.004 in. with material thicknesses from 0.001 in. to 0.35 in. Serves technological, medical, manufacturing, communication, metal stamping, computer, aerospace & printing markets. From prototype to production.
www.etchitmn.com/etching.html

Entherm Inc. - Bloomington, MN
Distributor, Custom Manufacturer
Distributor of custom etched foil heaters. Capabilities include maximum operating temperature of 1100 degrees F & watt densities to 110 W psi. Circular & complex 2-dimensional shapes are available. Applications include wafer-processing equipment in the semiconductor industry & high temperature platens for laminating presses.
Brand Names: Watlow

Symtec, Inc. - Minneapolis, MN
Manufacturer, Custom Manufacturer
Design & Manufacture Custom Heaters, Temperature Sensors, Temperature Switches, & Associated Electronics. Polyester & Silicone Rubber Etched Foil Heaters

Minco - Minneapolis, MN
Manufacturer, Custom Manufacturer
ISO 9001:2000 & AS 9100 certified manufacturer of etched foil heaters. Types include commercial grade polyimide heaters, silicone rubber heaters, pipette heaters, mica heaters, wire-wound rubber heaters, expandable rubber heaters & transparent heaters. Applications include medical diagnostic equipment, telecommunication equipment, DWDM, fiber-optic component enclosures, prototyping, experimentation & research.