A Duluth, Minn.-based home builder has filed for chapter 7 bankruptcy after falling behind on payments, CBSDuluth.com reported. According to court documents filed on February 13th, Calzion Construction LLC's total liabilities amount to $753,500. 68 entities, including dozens of local area businesses, are listed as creditors. Some are owed as much as $20,000 to $25,000, according to the court filing. Until recently, Calzion was the primary company doing work for Wasusau Homes, which provides custom built homes. Hacker Construction is now listed as the general contractor for the Duluth area.