Mark Levinson is a division of Harman Specialty Group, and located at the HSG main office in Bedford Massachusetts:

Harman Specialty Group
3 Oak Park Drive
Bedford, MA 01730

Note: Middlesex Turnpike takes a 90º right turn in front of the Lemon Tree restaurant. If you are coming via Route 95, please make sure not to miss the right turn to stay onto Middlesex Turnpike.