Welcome to G&M Tank Co.

storm septic aerobic

G & M Tank Co, in Purcell, Oklahoma, manufactures and installs G M Tankconcrete storm shelters. We also offer a selection of septic tanks, aerobic systems, car curb stops and concrete junction & retention boxes. We build quality concrete products that will last you for years to come.

We are here to help you stay safe from the perilous storms that come with little warning. Where will your family go when the next tornado hits? Let our professional staff help you with a concrete storm shelter. We do all the work from manufacturing the shelter to complete installation. Call us today for a free quote on delivery in your area.


We’ve been serving central Oklahoma from the same location since 1973.
Purcell; Pauls Valley; Goldsby; Noble; Norman; Blanchard; Newcastle; Chickasha; Ada; Byng; Moore; OKC; Alex; Mustang; Duncan; Marlow; Elmore City; Sulphur; Davis; Madill; Ardmore; Marietta; Lawton; El Reno; Holdenville; Wewoka; Seminole; Jones; Meeker; Shawnee; Choctaw; Guthrie; Waurika; Tuttle; Anadarko; Dibble; Wayne; Lindsay; Tecumseh.

We’ve been offering quality concrete products since 1973!