Monomoy Capital Partners, a middle-market private investment firm focused on operational value creation, announced that it has acquired Japs-Olson Company, a family-owned national leader in innovative direct mail marketing solutions. Founded in 1907, Japs-Olson is a full-service, custom print and direct mail provider for the financial services, nonprofit, insurance, healthcare, retail and other markets. Headquartered in St. Louis Park, Minnesota, the company manufactures and distributes over one billion personalized mailings annually.