APG Specialty Publications 00_IRON_MINING_ASSN_20_BOOK | Page 25

2019-2020 SUSTAINING MEMBERS BARR ENGINEERING COMPANY CONSULTING ENGINEERS 325 S Lake Ave. Duluth, MN 55802 218-788-6364 Fax: [phone] www.barr.com Ryan Siats [email protected] Barr Engineering Co. is an employee-owned consulting company integrating engineering and environmental expertise to help clients develop, manage, process, and restore natural resources. With offices in Minnesota, Michigan, Missouri, North Dakota, Utah, and, Alberta, Barr serves the mining, power, and fuels industries, natural-resource-management organizations, and others with complex problems. DYNO NOBEL INC. EXPLOSIVES PO Box 610 Biwabik, MN 55708 218-865-6341 / cell: 218-290-3633 Fax: [phone] www.dynonobel.com Joseph Hejny [email protected] Dyno Nobel is a global explosive supplier. It has emulsion manufacturing, blasting service, down hole service and initiation delivery service located in Biwabik, MN. Dyno Nobel produces a full line of dynamite, package emulsion, non electric initiation, electronic initiation, cast booster, seismic and bulk explosive products. GERDAU - DULUTH GRINDING BALL GRINDING 800 Garfield Ave Duluth, MN 55802 218-722-5614 Fax: [phone] www.gerdau.com Kevin Ruhnke [email protected] Gerdau’s North American business divisions manufacture long and special steel products for the agriculture, energy, industrial, automotive and manufacturing markets. Our mills utilize efficient and clean production practices. This makes our steel one of the greenest choices available. 2019-2020 Directory | 25