Facilities Management Services pbc | 759 followers on LinkedIn. By partnering with FMS for your facility’s cleaning needs, you gain access to years of experience in streamlining cleaning and a proven track record of providing significant savings and increasing the cleanliness of your buildings. We feel our success is tied to the value alignment between our organization and organizations with whom we do business. What began as an intuitive, employee-centered approach to running a janitorial service has developed into a sophisticated, cutting-edge way of doing business.