With over 100 years of experience in precision instrument manufacturing, our sister company, Warren-Knight Instrument Company (W-K), provides high caliber, technically diversified engineering, design, manufacturing and technical support services to

North American Survey Supply can accommodate your service and calibration needs. North American Survey Supply (NASS) has an onsite repair/calibration lab that can provide calibration and repair services to NIST

Whether your instrument is temporarily out of commission, or you have a special project requiring extra equipment or special instruments, chances are we have that instrument for you to rent.

NASS provides calibration and repair services for most manufacturers including Topcon, Sokkia, Leica, Brunson, South, GeoMax, Laser Reference, Stonex, K&E, Kern, Wild, Cubic Precision, Winlight, Nikon, Trimble. Our Calibration lab