Georgetown Facility

Georgetown Instrument Services is no longer certificated by the FAA, however its sister company Castleberry Instruments & Avionics is available for all your instrument and avionics needs.  You can find them at

The new facility includes benches for pressure, gyros, electronics and benches for avionics will come in the near future.

When GIS opened for business, there was the founder, Efrain Lopez and one other employee. Currently, 11 technicians and office personnel efficiently service customer requirements. Plans to add up to 15 more technicians are not far in the future.

Competitive prices, high-quality workmanship, quick turnaround time and service. GIS personnel have the ability to meet that challenge to exceed customers’ expectations every day. That’s why customers depend upon GIS full services, from testing, overhaul, and repairs to exchanges and outright sales. Try us, you’ll be glad you did!