HK Contractors, Inc. HK Contractors, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> General Contractors >> Highway Contractor HK Contractors, Inc. 6350 S Yellowstone HwyIdaho Falls, ID 83402 | map | directions Craig Mathison (208) 523-6600 | fax: (208) 524-1426 Visit Site Highway and utility contractor. Member Since: 1980