G.S. Long Company
FarmingWashington, United States11-50 Employees
G.S. Long Company is an agricultural, chemical, and fertilizer retailer based in Union Gap, Washington, with roots dating back to 1980 as a family-owned operation. Its service area spans the Yakima Valley, the Columbia Basin, the Horse Heaven Hills, and Ellensburg, supported by offices in Union Gap and Wenatchee plus an Oregon branch that serves the Hood River Valley. The company supplies consulting services along with crop protection products, nutritional inputs, and product delivery to growers in these regions. By aligning its locations with key growing districts, the firm maintains a regional presence across major farming communities. In the farming supply sector, G.S. Long Company provides inputs and support to farmers in its core markets. In May 2024, the company announced an exclusive distribution arrangement with MustGrow Biologics Corp. to bring TerraSante biofertility products to Oregon and Washington.