Ranken Surveying Instrument Service Inc

A Complete Source of Construction Survey Instruments.

Over 40 Years Experience Calibrating & Repairing Instruments.

Owner & Personnel are Certified Factory Trained

Sales, Service and Rentals since 1949

Calibration of construction auto levels, lasers, theodolites and total stations.

We also calibrate & repair Jig Transits, Precision Levels, Alignment Scopes, Optical Tooling, K & E & Brunson with Traceable NIST Certification.

New Instruments are Inspected & Calibrated In Store Prior to Selling.