- AgAir Update
 - Monthly publication delivering news about the agricultural aircraft and aviation industry. - Air Tractor
- Manufacturing the Snow, Thrush, and since 1972 the Air Tractor agricultural aircraft.
- DK Heli-Cropper Intl., Ltd.
- Helicopter cone collecting contractor, harvesting pine, spruce, fir, balsam seeds using aerial harvester.
- Lane Aviation, Inc.
- Specialises in Air Tractor aircraft with sales extending throughout the world. Maintains a sales and service department, a parts department, and an agricultural flying operation.
- National Agricultural Aviation Association
- Voice of the aerial application industry.
- Texas Agricultural Aviation Association
- Agricultural aviation operators and pilots interested in the advancement of the industry.
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