Mary Jones, Patrick Serio and Eva Harris have joined 4M Building Solutions, assuming the role of Account Manager and Jon Wolfe has been promoted to Operational Support Team Manager.

“We are excited about our growth and look forward to the immediate success of these team members” said Karina Villasenor, Vice President of Human Resources.

4M Building Solutions is a full service janitorial contract cleaning services company headquartered in St. Louis, Missouri with operations across the Midwest and Southeastern United States.