Knife River Corporation
Knife River Corporation, together with its subsidiaries, provides aggregates-led construction materials and contracting services in the United States. It operates through Pacific, Northwest, Mountain, Central, and Energy Services segments. The company mines, processes, and sells construction aggregates, including crushed stone and sand, and gravel; and produces and sells asphalt and ready-mix concrete. It also provides contracting service, such as heavy-civil construction, asphalt and concrete paving, and site development and grading. In addition, the company sells cement, merchandise, and other building materials and related services; and produces and supplies liquid asphalt for use in asphalt road construction. The company sells its construction materials to public and private-sector customers comprising federal, state, and municipal governments; industrial, commercial, and residential developers, as well as other private parties; and provides its contracting services to public-sector customers for the development and servicing of highways, local roads, bridges, and other public-infrastructure projects. Knife River Corporation was founded in 1917 and is headquartered in Bismarck, North Dakota.
Open KNF dashboard ↗United States Antimony Corporation
United States Antimony Corporation produces and sells antimony, zeolite, and precious metals in the United States and Canada. It operates in two segments: Antimony and Zeolite. The company offers antimony oxide that is primarily used in conjunction with a halogen to form a synergistic flame retardant system for plastics, rubber, fiberglass, textile goods, paints, coatings, and paper, as well as color fastener in paints and as a phosphorescent agent in fluorescent light bulbs; antimony trisulfide used as a primer in ammunition; and antimony metal for use in bearings, storage batteries, and ordnance. The company also offers coarse and fine zeolite for soil amendment and fertilizer, water filtration, sewage treatment, nuclear waste and other environmental cleanup, odor control, gas separation, and animal nutrition applications, as well as in catalysts, petroleum refining, concrete, solar energy and heat exchange, desiccants, pellet binding, horse and kitty litter, traction control, ammonia removal from mining waste, and floor cleaners; carriers for insecticides, pesticides, and herbicides. In addition, it recovers unrefined and refined gold and silver. The company was founded in 1968 and is based in Dallas, Texas.
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