Sales & Service

Products manufactured by Sigma-Tek are available from your avionics or instrument supplier. Below is a partial listing of companies that sell and/or service our Products. You can contact us at: stisales@sigmatek.com

Addison Avionics Group

Aerolab Aviation Services, Inc.

Aeroneuf Instruments Ltd.

Aircraft Instruments cc - Lanseria South Africa

Aircraft Spruce

Airwich Avionics

Airwork Avionics

American Avionics

Australian Avionics Pty Ltd.

Avincorp Pty Ltd.

Avionics of Modern Aero, Inc.

Avionics Sales Corporation

Avionik Straubing

Avmax Aviation Services, Inc.

Canadian Avionics & Instruments, Ltd.

Cannon Aircraft Interiors

Century Avionics CC

Commander Instruments & Avionics

Dart Aeronautical

Duncan Aviation

APG Eastern Avionics International

Fieldtech Avionics & Inst., Inc.

Flightcraft, Inc.

Gulf Coast Avionics

Hagerstown Aircraft Services, Inc.

Hillview Avionics, Inc.

IFL Instruments

Instrument Tech Corp.

Islip Avionics, Inc.

Kelley Instruments

Lowe Aviation Company

Maxcraft Avionics Ltd.

Merrill Field Instruments

Mid-Continent Instruments and Avionics

Miller Aviation

National Airways Corporation - Lanseria South Africa

Otto Instruments

Pacific Coast Avionics

Pacific Southwest Instruments

Porter Strait Instrument Company

Precision Avionics and Instruments

Preferred Avionics

San Luis Avionics

Sebastian Communication, Inc.

Sky West Instruments

Southeast Aerospace Inc.

Steiner Aviation

Temple Avionics

Toronto Avionics

Varga Enterprises, Inc.

Woodland Aviation

Woodlawn Instruments Ltd.