GEO Environmental Co., Inc. serves clients across the following areas:
- Yorktown Heights
- Hudson Valley
- White Plains
- Scarsdale
- Larchmont
- Mamaroneck
- Mount Kisco
- Bedford
- Peekskill
- Yonkers
- New Rochelle
- Rye
- Irvington
- Tarrytown
- Dobbs Ferry
- Harrison
- Pelham
- Armonk
- Valhalla
- Katonah
- North Salem
- Pound Ridge
- Somers
- Eastchester
- Bronxville
- Tuckahoe
- Cortlandt
- Port Chester
- Sleepy Hollow
- Lewisboro
- New Castle
- Westchester County
- Brewster
- Carmel
- Garrison
- Mahopac
- Hortontown
- Kent Cliffs
- Putnam County
- Beacon
- Fishkill
- Hopewell Junction
- Hyde Park
- Lagrangeville
- Pawling
- Pleasant Valley
- Poughkeepsie
- Poughquag
- Stormville
- Wappingers Falls
- Beekman
- Dutchess County
- Newburgh
- Goshen
- West Point
- Orange County
- Greenwich
- Fairfield County
- Nanuet
- New Paltz
- Haverstraw
- Stamford