Quala, a provider of comprehensive cleaning, test, and repair services, completed the acquisition of Polar Service Centers, a commercial repair and parts supplier. Financial terms were not disclosed. "The combination of Quala and PSC will allow our teams to work closely to deliver industry leading services to all of our customers. We are excited about the opportunity to drive operational efficiency across all aspects of the business and identify new service areas for our customers," Jerry Cignarella, PSC President.