Reddi-Form Inc.
Produces insulated concrete forms (ICFs) used in constructing solid, energy-efficient concrete homes or buildings. http://www.reddiform.com/
EFCO
Manufacturer of concrete formwork used for both vertical and horizontal forming applications.
Holdfast Technologies LLC.
Distributes insulating concrete forms and supplies for residential and commercial construction. Supplies most midwestern states from Medway, Ohio.
Arxx Building System Inc.
Produces a wall forming system using insulated concrete forms and panels. Includes technical details and distributor section.