Since 2001, SanMar Building Services are experts at office cleaning in NYC. SanMar provides janitors and commercial cleaners for schools, medical offices, share-spaces, co-working spaces, post-construction sites, restaurants and office cleaning services in New York City, Manhattan, Brooklyn, Bronx, Queens and Westchester County. SanMar professional cleaners clean office lobbies, polish elevators, and make marble floors sparkle. Based in Midtown Manhattan, ...