DEFCON Underground Bunkers Sales & Installation

All Steel DEFCON Underground Bunkers, Bomb Shelters and Storm Shelters are 100% manufactured by DEFCON Underground Mfg. right here in America. We Guarantee them to be manufactured out of the best materials possible and back them up with a LIFE TIME welding and craftsmanship warranty. We lead the industry in quality and we guarantee that you will not find a better shelter anywhere!

Specialties of DEFCON Underground Bunkers

DEFCON underground bunkers by DEFCON Underground Mfg, crafts all steel underground bunkers, bomb shelters and emergency shelters that are built with high quality plate steel and re-enforced structural metals. Your entire underground bomb shelter, with renowned durability, is extremely rigid and strong, unlike shelters from many of our competitors. 

Pricing & Floorplans

DEFCON Underground Mfg. has many floor plans to choose from. Please check them out along with pricing below!


DEFCON Underground Mfg. manufactures custom 100% all steel bunkers, bomb shelters and storm shelters! Please check out our floor plans and pricing below!

Storm Shelters

DEFCON Underground Mfg. manufactures custom 100% all steel Storm Shelters. Please check them out below!


Everyone is bound to have lots of questions. Check out some of the most common questions that we receive here!

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About Us

DEFCON has a wealth of manufacturing experience and holds several welding and plumbing certifications. We have manufactured a wide array of stainless steel objects, including bunkers, gantries, aerial walkways, gasifiers, damn components, and high end handrails. Our steel structures can be found at some of the major landmark buildings in our hometown.  Our knowledge and experience ensures that your bunker will be air tight, water tight and the best in the market. 


At DEFCON Underground Manufacturing, privacy is one of our top priorities. We take a lot of care insuring that your privacy is kept. We do not keep location records after your Underground Bunker or Bomb Shelter is in the ground.

To Learn More About Your Financing Options Please Contact Us At

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Sales Department

The sales team at DEFCON Underground Mfg. looks forward to helping you out in any way possible. Please feel free to call or email us with any questions that you may have. We look forward to serving you. 

Upgrades of DEFCON Underground Bunkers

DEFCON Underground Mfg. offers just about any upgrade you can dream of. We offer Electrical, Plumbing, Defensive, Durability and Luxury upgrades just to name a few. We can also get you just about any supplies that your Bunker, Bomb Shelter or Storm Shelter might need.

Electrical Upgrades

DEFCON Underground Mfg. offers several electrical upgrades. Whether its solar, generators, lighting or off/on grid connections we have you covered!

Plumbing Upgrades

DEFCON Underground Mfg. offers many plumbing upgrades. Whether its toilets, showers, faucets, water tanks or septic systems we have you covered!

Durability Upgrades

DEFCON Underground Mfg. bunkers, bomb shelters and storm shelters are extremely durable. Our specialized coatings and cathodic protection systems will keep your bunker around for generations!

Defensive Upgrades

Defcon Underground Mfg. offers several different defensive upgrades. Whether it's bullet resistant doors, hidden entry points, chemical defensive ports or many other options we have you covered. 

Luxury Upgrades

DEFCON Underground Mfg. offers many luxury upgrades. Whether it's TV/DVD players, elevators, grow rooms or motor caves. If you dream it we can build it. 

Supplies Upgrades

DEFCON Underground Mfg. not only builds the best bunkers in the industry, we also supply them. Whether it's medical supplies, food supplies or gear we have you covered!