G.S. Long Co. offers a diverse product line for all of your crop management challenges.  We work with a wide range of suppliers offering multiple products that help protect your growing investment.  We inventory multiple inputs to ensure when it's time to protect your crop, conventional or organic, we have you covered.




We provide a broad range of inputs including:


  • Insecticides

  • Fungicides

  • Herbicides

  • Rodenticides

  • Growth Regulators

  • Sun and Rain Protectants

  • Natural Predators

  • Adjuvants and Surfactants

Contact Us

G.S. Long Company

​Online Order:
Tel:  1-800-338-5664

Tel: 509-575-8382
Address​​​​​​: 2517 Old Town Road

Union Gap, WA 98903





7:30 A.M. - 5:00 P.M.


SATURDAYS - 7:30 A.M. - 12:00 P.M.