Ballast mats

Is a producer of construction aggregates: primarily crushed stone, sand and gravel used in nearly all forms of construction including railroad ballast.

Rail, joint bars, tie plates, spikes, bolts, weld kits, lubricant, grout, frogs, switches, switch stands, bumping posts, derails. WBE/DBE certified stocking distributor.

Knife River Corporation mines aggregates and markets crushed stone, sand, gravel and related construction materials, including pre-cast/pre-stressed concrete railroad bridges, ready-mix concrete, cement, asphalt, liquid asphalt and other value-added products. It also performs integrated...