We have been approved or certified by the following companies :

ADVANCE TECH
AERO JET
ALLIED SIGNAL
ALL-PRO
ALPHA
AMSI (Advanced Machine & Stretchform International, Inc.)
ARROWSMITH
BAE SYSTEMS
BELL HELICOPTER
BF GOODRICH (The Cleveland Pneumatic Co.) (Rohr) More ...
BOEING More ...
BOEING (North American) More ...
BOMBARDIER AEROSPACE (Canadair) More ...
CESSNA AIRCRAFT More ...
COLTEC INDUSTRIES (Menasco)
DOWTY (Arcadia)
EATON CORP.
ECLIPSE AVIATION
EMBRAER
FAIRCHILD FASTENERS
FORD AERO.
GENERAL DYNAMIC FORT WORTH
GENERAL ELECTRIC
GOODRICH CORP.
GULFSTREAM
HARTWELL CORP.
HONEYWELL (Torrance Division)
HONEYWELL (Tucson Division)
HELICOPTER TECH. CORP.
HR TEXTRON
HUGHES A/C
HYDRO-AIRE
IDEAL FASTENERS, INC.
INTERNATIONAL
ISRAEL A/C
KLUNE INDUSTRIES-UTAH
LOCKHEED MARTIN Aeronautics Division (Fort Worth) More ... LOCKHEED MARTIN Astronautics Division (Denver) More ...
LORAL CORP
LOUD ENG. INC.
MARVIN ENG.
McDONNELL DOUGLAS
NORTHROP GRUMMAN (El Segundo)
NORTHROP GRUMMAN (Hawthorne Division)
NORTHROP GRUMMAN (New York Division)
NORTHROP GRUMMAN (Sunnyvale Division)
PACIFIC SKY
PARKER AEROSPACE
ROBINSON HELICOPTER
ROCKETDYNE
ROCKWELL INT.
SABRELINER CORP.
SERRA MFG. CORP.
SIKORSKY
SPIRIT AEROSYSTEMS
STAINLESS INC.
TALLEY SYSTEMS
TELAIR INTERNATIONAL
TELEDYNE RYAN AERONAUTICAL
TEXTRON
TRW ELECTRONIC SYSTEMS
UNITED TECH.
WEBER AIRCRAFT, INC.
WEST COAST INC.
WESTINGHOUSE
WHITTAKER INC.