Mountain Steel Mountain Steel Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 05 - Metals >> 05 30 00 Metal Decking Mountain Steel 712 E Access StKuna, ID 83634 | map | directions Matt Connelly (208) 344-5930 Visit Site Specializing in steel fabrication, including structural, handrail, and ornamental. Member Since: 2003