Great Lakes FM is a full service janitorial building maintenance company. We proudly oer our clients a diverse range of both interior and exterior services extending from oce cleaning, hard surface floor refinishing and janitorial services, window washing, pressure washing and Handyman services. Our trained crew will clean your unique facility, in a routine manner, to your service specifications. Our procedure ensures safe cleaning of all surfaces, kills germs and bacteria, and prevents cross-contamination.