Lange Flugzeugbau
- Designers and manufacturers of the Antares electric propulsion system glider.
- http://www.lange-flugzeugbau.com/

Alexander Schleicher
- On behalf of the german manufacturer Eastern Sailplane officially provides pictures and specifications of the current gliders and motorgliders ASW 22, ASW 27, ASW 28, ASK 21 and ASH 25.
- http://www.easternsailplane.com/sailplane.html

Gomolzig Flugzeugbau GmbH
- Manufacturers of the Calif (previously made by Caproni). [choose between German and English]
- http://www.gomolzig.de/

eta Aircraft
- Designers and manufacturers of a 30.9m wingspan sailplane. [choose between German and English]
- http://www.eta-aircraft.de/

Diamond Aircraft Industries, Inc.
- Manufacturer of motor gliders heavily based on their conventional aircraft.
- http://www.diamondair.com/

Schempp-Hirth Flugzeugbau GmbH
- Manufacturers of the Discus, Ventus, and Nimbus range of gliders and motor gliders.
- http://www.schempp-hirth.com/

DG-Flugzeugbau GmbH
- Producers of Standard, 15, 18, and 20 meter sailplanes. [choose between German and English]
- http://www.dg-flugzeugbau.de/

Lithuanian Aviation Constructions
- Manufacturer of LAK-12, LAK-17 and LAK-19, Articles, History and Ordering Information.
- http://www.lak.lt/

Grupo Aeromot
- Manufacturer of the Ximango motorglider.
- http://www.ximango.com