Keystone Associates Architects, Engineers and Surveyors, LLC


  • Architecture
  • Engineering
  • Surveyors
58 Exchange St.
Binghamton, NY 13901
(607) 722-1100
(607) 722-2515 (fax)
  • About

    Keystone Associates Architects, Engineers and Surveyors, LLC (Keystone) is a multi-disciplined design firm headquartered in Binghamton, New York.  Established in 1993, Keystone provides professional design services for a region encompassing Upstate New York and Northeastern Pennsylvania.  Keystone's complete in-house design team benefits clients by providing the majority of the design components of their projects from under one roof.

  • Whom to Contact

    • Kenneth Ellsworth
      Managing Member