About Us

ST Engineering is a global technology, defense and engineering group with a diverse portfolio of businesses across the aerospace, smart city, defense and public security segments.

The Commercial Aerospace business of ST Engineering has proven solutions for practically every stage of an aircraft life cycle, from design and engineering, original equipment manufacturing, nose-to-tail aftermarket and maintenance services as well as assets management and leasing. Through passenger-to-freighter conversion or refurbishment, we give ageing aircraft a new lease of life.

Our US aerospace operations span three airframe MRO facilities, a nacelle center of excellence and an engine wash solutions provider. We employ around 3,000 people, providing OEMs, aircraft owners and operators quality services and products comprising the following:

Aerostructures & Systems
  • Nacelles
  • Freighter Conversion Solutions
  • Composite Panels
  • Cabin Interiors & Engineering Solutions
  • Unmanned Air Systems
  • Precision Manufacturing
Aerospace MRO
  • Airframe Services
  • Engine Services
  • Component Services
Aviation Asset Management
10 Lines of Business

10 Lines of Business in Commercial Aerospace

Headquartered in Singapore

Started in the US in 1991

Started operations in the US in 1991

9,000 Employees Globally

9,000 Employees Globally;
around 3,000 in the US

Airframe Maintenance & Aircraft Modification

Nacelle Systems and Aerostructures

Engine Washes

Engineering Services

Parts Fabrication

NDT Services


San Antonio Aerospace

9800 John Saunders Road
San Antonio, TX 78216, USA
(210) 293-3200
icon - fax (210) 293-3680

Mobile Aerospace Engineering

2100 Aerospace Drive, Mobile Aeroplex at Brookley
Mobile, Alabama 36615, USA
(251) 438-8888
(251) 438-8892

Middle River Aerostructures Systems

1103 Chesapeake Park Plaza
Baltimore, Maryland 21220, USA
(410) 682-1500
(410) 682-1230


100 Great Meadow Road, Suite 202
Wethersfield, CT 06109, USA
(855) 432-6769
(860) 466-4899
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