G.S. Long Co. is an agricultural chemical and fertilizer retailer located in Yakima, WA, that has been family owned and operated since 1980. Our service area stretches across the Yakima Valley, Columbia Basin, Horse Heaven Hills and Ellensburg. With our offices centrally located among these major growing districts, we are able to provide our customer base with consulting services, crop protection, nutritional inputs and product delivery. In addition to our Union Gap and Wenatchee locations, we also have an Oregon branch which services the tree fruit districts of the Hood River Valley.
Company profile
G.S. Long Co., Inc.
| 2025 rank | 36 |
|---|---|
| Previous rank | 34 |
| Headquarters | Union GAP, WA |
| States served | 2 (WA, OR) |
| Locations | 4 |
| Employees | 200 |
| Founded | 1980 |
| Organization type | Independent Local Dealership |
| 2025 revenue | $101–$200 million |
| Revenue by input | Crop protection 76% · Fertilizer 23% · Seed 1% · Custom application 0% |
| Agricultural Retailers Association member | No |
| Address | 2517 Old Town Rd. Union GAP, WA 98903 |
| Phone | 509-575-8382 |
| Website | gslong.com |
| Data year | 2025 |
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