Interstate Advanced Materials, a nationwide distributor of plastics and composite materials with an office in Urbandale, has been acquired by Curbell Plastics Inc. Interstate Advanced Materials will operate as a Curbell Plastics company. The acquisition adds Interstate’s nine locations and 150 employees to its team. The deal aims to broaden Curbell’s reach across the western United States and strengthen its service capabilities across new industries. “Curbell is the right long-term owner for Interstate,” Cole Klokkevold, CEO of Interstate Advanced Materials, said in a prepared statement. “They share our values as a family-owned business and our commitment to taking care of customers and employees.”…