Armstrong Engineering Services clients include government and industry. Armstrong engineers have contributed to the design of and analyzed products including: aircraft, machine tools, automobiles, trucks and railroad cars.

Airlines
Air Algerie
Air Belgium
Air Cargo Carriers
Air Liberte
Air France
American Airlines
Bris Air
Cargo Lion
Cathay Pacific
Continental Airlines
Cygnus Air
Delta Airlines (Song)
Emirates
Finn Air
Farn Air
Flandre Air
Intavia
Lan Chile
LuxAir
Pakistan International Airlines
Sabena
Singapore Airlines
Trans World Airlines
Tunis Air
United Airlines
West Air Sweden
Virgin Atlantic

Associations
Aircraft Electronics Association

Repair Facilities
Elliott Aviation
Electrosonics
Garrett
GATX
Executive Air
Executive Beechcraft
JA Air
Mayday Avionics
Signature Flight Support

Manufacturers
Agusta Helicopters
Ayres Corporation
B/E Aerospace
General Dynamics
Verizon Airfone
Gulfstream
Honeywell
Hooker Harness
Matsushita
Rockwell Collins
Tenzing
Vision Air

Cargo Carriers
Airborne Express
Murray Aviation
Kittyhawk