Air Tractor, Inc. - Leading ag-aircraft manufacturer, located in Texas. Air Tractor builds the AT-402, AT-502, AT-602, as well as the largest ag-aircraft in the world, the AT-802A and AT-802F initial attack firefighting aircraft.

Lane Aviation, Inc. - Lane Aviation specializes in turbine and piston Air Tractors.

VSTOL Aircraft Corp. - Builders of light aircraft crop sprayers.

Ag Air Update Online - Agricultural Aviation's Best Read Publication. Includes classifieds, pictures, and stories.

Riddell Flying Service, Inc. - Ag-aircraft sales, maintenance, parts, leasing, and appraisals. Ag-Nav2 GPS dealer. Walter turboprop engines sales, service, and installations.

Ayres Corporation - Manufacturer of the Ayres Thrush ag-aircraft, located in Albany, Georgia.

Glades Ag Service Inc. - Crop spraying service based in southern Florida.

Ag Aviation Online - Agricultural Aviation's Internet Connection. Multi faceted interactive site regarding agricultural aviation worldwide, aerial application safety issues, news, planes and parts for sale, product reviews, S.A.F.E. Workshop Calendar. Free Classifieds!

Alpine Helicopters - Crop dusting service utilizing Hiller helicopters.

Integrated Global Technologies - Developers of aerial spraying spreading business software for the crop dusting industry.

Walter TurboProp Engines - Reliable turbine engines for the ag-aircraft industry. FAA certified.

Field Air - Aerial agricultural company providing spraying, baiting and other services to the rural industry in Eastern Australia.

Hurricane Aviation Ltd. - Specializing in agricultural and foresty aviation. Based in Canada.

Helicair Aeial Applicators GPS Sales - Offering aerial applicators as well as Trimble GPS equipment. Located in Salinas, California, USA.

Sam Riggs Flying Service - Aerial applicator training school.

Hiller Aircraft Corp. - Maker of the world's most versatile, cost-effective helicopters.

Ag-Turbine Transition, LLC. - Professional turbine transition ag-pilot training.