Aterian-backed Pioneer Metal Finishing, a provider of outsourced metal processing services, completed the acquisition of Pilkington Metal Finishing, a metal finishing business. Financial terms were not disclosed. "We are very excited about the Pilkington family joining the Pioneer family. Pilkington has a fantastic business with a strong, dedicated customer base and a group of highly talented people that align with Pioneer's values and culture," Kevin Stevick, Pioneer CEO.