Post #346

Interstate Engineering

425 East Main St.
Sidney, MT 59270
(406) 433-5617
(406) 433-5618 (fax)
Hours:
M-F 8-5 Closed 12-1
or by appointment
  • About

    Interstate Engineering provides consulting, engineering, land surveying, GIS/GPS, and planning services to a wide range of public and private sector clients.