en.wikipedia.org/wiki/Sikorsky_Aircraft

The Sikorsky Aircraft Corporation is an American aircraft manufacturer based in Stratford, ... In late 2005, Sikorsky completed the purchase of Keystone Helicopter Corporation, located in Coatesville, Pennsylvania. Keystone had been ...

www.rotorandwing.com/2010/01/01/sikorsky-global-helicopterskeystone-helicopter

Jan 1, 2010 ... During the past 50 years, Keystone Helicopter has gained a ... In late 2005, Keystone was purchased by Sikorsky Aircraft Corporation—its ...

www.rotorandwing.com/2009/01/01/keystone-helicopter-3

Jan 1, 2009 ... During the past 50 years, Keystone Helicopter has gained a ... In late 2005, Keystone was purchased by Sikorsky Aircraft Corporation. During ...

www.bloomberg.com/research/stocks/private/snapshot.asp?privcapId=1501662

Keystone Helicopter Corporation operates as a helicopter support and service company. The company offers helicopter and turbine engine maintenance, ...

www.linkedin.com/company/keystone-helicopter

Learn about working at Keystone Helicopter. Join LinkedIn today for free. See who you know at Keystone Helicopter, leverage your professional network, and ...

www.aviationpros.com/engines-components/aircraft-airframe-accessories/structural/company/10134519/keystone-helicopter-corp

Keystone Helicopter Corp. Tweet. Share. 1420 Phoenixville Pike. West Chester. PA. 19380. United States. 800-633-1555. 610-644-7681.

www.manta.com/c/mhksh0d/keystone-helicopter-holdings-inc

Keystone Helicopter Holdings, Inc is a privately held company in Coatesville, PA and is a Headquarters business. ... Aircraft Component Expertise Corporation.

www.businesswire.com/news/home/20050708005407/en/Keystone-Helicopter-Breaks-Ground-Phase-Huge-Rotorcraft

Jul 8, 2005 ... Keystone Helicopter Corporation is an FAA and European Aviation Safety Authority (EASA) licensed rotorcraft repair station that has grown in 5 ...

aviationweek.com/awin/keystone-helicopter-corp-15

KEYSTONE HELICOPTER CORP. was selected by Allegheny General Hospital in Pittsburgh, Pa., to provide flight and maintenance management for the ...