DEERFIELD, IL., August 12, 2022 – PremiStar, a leader in commercial and industrial HVAC, plumbing, and building automation services has acquired Mechanical Service, Inc. (MSI), a leading commercial HVAC contractor in Iowa City, IA. With this acquisition, PremiStar expands its service offerings and footprint in Iowa, maintaining focus on meeting the needs of customers in the commercial, industrial, health care, education, retail, municipal, government, and senior living market segments.