SITECH NorCal and SITECH Oregon Your Construction and Ag Technology Provider


SITECH NorCal is a certified repair center and a Trimble authorized service center. We have some of the most experienced machine control specialists in the construction industry. Our turnaround time is among the best. Our machine control specialists have experience installing systems on motorgraders, scrapers and dozers. We have worked on equipment from CAT, John Deere, Case, Volvo, Komatsu and more!

If you have a troubleshooting or installation need for your system and we cannot assist you over the phone, we can have a specialist on your jobsite within 24 hours in most cases.

Repair & Field Services

  • Repair all laser equipment, machine control equipment and accessories
  • Repair optical equipment including auto levels, tribrachs, transits and theodolites
  • We offer comprehensive training to provide the skills and knowledge necessary to perform 3D data preparation on Trimble's
  • Terramodel, Paydirt, Sitevision Office software, SCS900, and the LM80 Desktop
  • To meet your needs, training can take place at Spectra Southwest, Inc. or at a location of your choice
  • Education includes: data preparation, transferring files to and from machines and survey instruments, operator training, and troubleshooting
Data Services
  • 3D Data Preparation for Machine Control
  • Quantity take-offs for bidding purposes
  • Hands-on education for employees
  • GPS job site setup
  • Base Station and Rover Training
  • Machine training for operators
  • Job site evaluations for determining the proper equipment for the job
Optical Equipment:
  • Auto Levels
  • Tribrachs
  • Transits
  • Theodolites


Laser Equipment:

  • Manual
  • Self-leveling
Repair & Field Service
  • Estimates
  • Expedite Fee
  • Labor
  • GPS labor



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