Hastings Stock Tanks Catalog Farm & Ranch Hastings Stock Tanks Manufacturer : Hastings Equity Grain Bin Mfg. Co. Description Fletcher's Farm & Feed carries Hastings Stock Tanks. We have 4 ft to 10 ft Steel and Polyethylene tanks available. Use for livestock or create a soaking tub, small pool or even a jacuzzi! *Please call for current availability. Rates Please contact us for current pricing and availability.