- Swifton Agviation
- Swope Ag/Air
- SWT Agricultural
- Syracuse Flying Svc Inc
- T & T Aviation Inc
- T K Ag-Air Svc Inc
- Tailwinds Air Inc
- Tall Towers Aviation Svc
- Tallaflore Ag-Av Inc
- Tanner Flying Svc
- Taylor Aviation Inc
- Taylor Flying Svc Inc
- Taylor Spraying Svc
- Taylor Spraying Svc
- TBM Inc
- Te Mamou Flyer's Inc
- Tensas Fly
- Terry's Ag Svc Inc
- Teton River Flying Svc
- Texas Dusting Svc Inc
- Texoma Ag Flying Svc
- Texoma Ag Flying Svc
- Thayer Agriculture Aviation
- Thiel Air Care
- Thiel Air Care
- Thisius Flying Svc
- Thompson Aero Svc
- Thompson Aero-Spray
- Thrash Aviation
- Three Rivers Flying Svc
- Tidwell Spraying Svc
- Tierra Ag Spraying Inc
- Tim Whitfield Aviation
- Tim's Aerial Applications
- Tlb Air
- TLC Flying Inc
- TLC Flying Inc
- Todd's Flying Svc Inc
- Tolen Flying Svc
- Tolle's Flying Svc Inc
- Tom Dent Aviation
- Tommy's Flying Svc Inc
- Tony's Aerial Spraying
- Top Hand Air Sprayers
- Top Hat Aerial Applicators Inc
- Top Hat Ag LLC
- Top Hat Ag LLC
- Towe's Flying Svc
- Tradewind Ag Svc
- Transag Inc
- Traudt Aerial Svc
- Traudt Aerial Svc
- Tre'Son Ag Inc
- Tri County Aero Inc
- Tri Rotor Spray & Chemical
- Tri-Me Spraying Svc
- Tri-Rotor Spray & Chemical
- Tri-Star Agrinautics
- Tri-State Aerial LTD
- Tri-State Air Ag
- Triple H Aviation Inc
- Triple-N Ag Svc
- Trites Flying Svc Inc
- Trower Aviation
- Tuckerman Flying Svc
- Turrell Flying Svc
- Tuttle Spraying Co
- Twin Cities Aviation
- Twin County Air/Ag Inc
- Tyree Ag Inc
- Tyree Ag Inc
- Tyree Ag Inc
- Tyree Ag Inc
- UAP Southwest
- Ulysses Air Svc
- United Agri Products Inc
- United Genetics Seeds Inc
- United Suppliers Inc
- Univ-Wy Co-Op Extension Svc
- Universal Farms
- Valburg Aerial Spraying
- Valley Aerial Spray
- Valley Ag Svc
- Valley Air
- Valley Air Applicators
- Valley Air Inc
- Valley Air Svc
- Valley Air Svc Inc
- Valley Air Svc Inc
- Valley Air Svc Inc
- Valley Aviation
- Valley Crop Dusters Inc
- Valley Sprayers Inc
- Valley Spraying Svc
- Vance Aircraft Inc
- Vernon A Vick Agricultural Svc
- Victory Flyers Inc
- Vince Crop Dusters Inc
- Vincent Flying Svc Inc
- Visco Flying Co
- W D Flyers
- Waitsburg Helicopter Svc
- Waitsburg Helicopter Svc
- Wakefield Flight Svc
- Wallace Flying Svc
- Wallin Agri Aviation
- Walt's Aerial Spraying
- Walt's Aerial Spraying
- Ward Air Svc Inc
- Ward Flying Svc
- Warrior Aviation
- Waukena Flying Svc
- WEBB Flying Svc
- Webb's Agricultural Flying Svc
- Weiser Air Svc
- Weldon Flying Svc
- Weldon Flying Svc
- Wells Air Svc Inc
- Wells Flying Svc
- Wendell Agronomy Ctr
- West Ag Svc
- West Central Aerial Sprayers
- West Flying Svc
- West River Aerial
- Western Aero Ag Inc
- Western Ag Air Inc
- Western Ag Aviation
- Western AG Aviation Inc
- Western Aviation Inc
- Western Chemical Applicators
- Western Farm Svc
- Wharton Agri Svc
- Whatley Flying Svc
- Whirlwind Aviation
- Whitaker Aerial Svc
- Whiteface Aviation
- Whitley Agrispray
- Whitten Flying Svc
- Whittington Air & Ground
- WIL-Co Flying Svc
- Wilcox Flying Svc LLC
- Wilcox Flying Svc LLC
- Williamette Valley Helicopters
- Williams Ag Svc
- Williams Fertilizer Svc
- Williamsburg Aircraft Svc Inc
- Willmes Flying Svc Inc
- Wilmot Aero
- Wilson Aerial Spray
- Wilson Flying Svc
- Wilstine Farm Supply
- Win Delta Air Inc
- Wischer Aviation
- Wise Spray Co
- Witthuhn Aerial Svc
- Wood Flying Inc
- Wood's Flying Svc
- Woods Crop Dusting
- Yates Flying Svc
- Yates Flying Svc
- Yellowstone Air Svc Inc
- Zumbrota DHIA Lab
