DirectoryAviation.com is aimed to provide worldwide aviation resources on the web including aviation, pilots, aircraft, airport, skydiving, experience flights, rocket belts, equipment & repair.
AirCrafters LLC A builder assistance center providing expert technical assistance to builders of custom and experimental aircraft. http://www.aircraftersllc.com/
Innovative Wings Professional aircraft building and builder assist services. Builds both full size and kit planes. Details of projects, resources and kit planes. http://www.innovativewings.com/
Popular Rotorcraft Association A group of homebuilt rotorcraft enthusiasts that get together to exchange ideas, information, and help. http://www.pra.org/
SportAir Offering weekend workshops designed to prepare you for building your own airplane. http://www.sportair.com/
Top Flight Services Offering help to the builder of homebuilt aircraft with everything from prep to paint, including airframes and engines. http://www.topflightservice.com/
