Investcore Inc. Share: Developers & Subdividers Investcore Inc. Visit Website 905 Tacoma Ave. Suite 2 Bismarck, ND 58504 (701) 223-3030 (701) 255-7777 (fax) About Map About Investcore, Inc. focuses on continually providing quality, accessible and affordable services to our clients by saving costs. What's Nearby? Distance: 5 10 15 20 25 50 mi.