Pro Maintenance Group - spotless facilities, zero headaches. Pro Maintenance Group (PMG) delivers dependable commercial cleaning across Montgomery County, MD. We build custom plans around your hours and budget-daily janitorial, day porter, office cleaning, disinfection, floor stripping & waxing, carpet care, post-construction cleanup, and exterior pressure washing. Our trained, insured teams use professional equipment and eco-friendly options to keep your... Read More about Pro Maintenance Group LLC