1. Seattle's Hydro Spot
917 NW 49th St, Seattle, WA 98107
Coordinate: 47.66439,-122.36896
Phone: (206) 784-2161
2. Valent
1201 3rd Ave, Seattle, WA 98101
Coordinate: 47.60718,-122.3362
Phone: (206) 466-1069
3. HydroTech Hydroponics
2121 Aurora Ave N, Seattle, WA 98109
Coordinate: 47.63807,-122.34518
Phone: (206) 547-2202
4. Walts Organic Fertilizer Co
2209 W Elmore St, Seattle, WA 98199
Coordinate: 47.65748,-122.38512
Phone: (206) 297-9092
5. Rsa Microtech
101 Elliott Ave W Ste 110, Seattle, WA 98119
Coordinate: 47.61907,-122.35957
Phone: (206) 282-7878
6. Walt's Organic Fertilizer Co
1528 NW Leary Way, Seattle, WA 98107
Coordinate: 47.66391,-122.37764
Phone: (206) 297-9092
7. Hendrikus Organics Spray Services
Seattle, WA 98122
Phone: (206) 322-8977
8. Cenex Harvest States
Seattle, WA 98101
Phone: (206) 622-5766