O2 Investment Partners, a Midwestern based private equity firm, completed the investment in LCS Facility Group, a provider of janitorial and facility maintenance services. Financial terms were not disclosed. "LCS shares a similar philosophy to 4M in our business strategy, focus on high quality service, and prioritization of values, culture, and the treatment of our team members. Partnering with 4M allows us to amplify our growth trajectory through leveraging additional infrastructure and resources to better support our valued team members, customers and partners," Daniel Lepore, LCS Facility Group President.