Integrated Facility Services, formerly Air Masters, Gateway Mechanical and Fire Protection, and Automation Solutions Group, a full-service mechanical contractor with offices in St. Louis and Columbia, has acquired Wally’s Refrigeration at Lake of the Ozarks, Missouri.

The acquisition expands IFS Mid-Missouri’s commercial refrigeration system sales, installation and service for businesses such as restaurants and bars, grocery and convenience stores, and marinas. IFS Mid-Missouri also provides sales and service of commercial and residential ice machines.

Wally’s Refrigeration has provided commercial refrigeration and ice machine service to the Lake of the Ozarks region for more than 30 years. Wally Welchel and his four former employees have joined the IFS team.