Bilfinger WESTCON, Inc Share: Construction Services Bilfinger WESTCON, Inc Visit Website 7401 Yukon Dr Bismarck, ND 58503-1735 (701) 222-0076 224-8178 (fax) About Rep Info Map About An industrial and general contractor performing civil structural, mechanical and equipment setting for the petro, power,chemicial and food industries. Whom to Contact Sue Gustafson What's Nearby? Distance: 5 10 15 20 25 50 mi.