- R-Control, manufactures expanded polystyrene products, including structural insulated panels, insulated concrete forms, and geofoam.www.r-control.com
- Borg Adjustable Joist Hanger System is used in forming suspended concrete slabs. 100% Retrievable & Reusable. Requires 50% to 70% less lumber over other convetional systems. ...www.borghanger.com