Underground bunkers can be purchased online from multiple websites, such as AtlasSurvivalShelters.com, RisingSBunkers.com and UltimateBunker.com. It is also possible to purchase a home with an underground bunker already installed, especially in states such as Texas, California and Washington.
Atlas Survival Shelters, originally named Atlas Bomb Shelters in the 1950s, advertises underground shelters made in a variety of materials and forms, including fabricated square shelters, concrete monolythic domes, preformed concrete homes, and its signature galvanized corrugated pipe shelters. Pipe shelters can be buried from 10 to 42 feet underground and have an estimated lifespan of 200 years.
Rising S Company provides underground fabricated steel bunkers built, delivered and installed by Rising S employees to provide the highest level of security. The company manufactures its own blast doors in-house and treats the bunkers with a rubber coating that has an estimated 150-year lifespan. Rising S can provide fully stocked and ready-to-live-in bunkers on request.
Ultimate Bunker provides steel bunkers with a structural frame on the inside to repel moisture and 1/4-inch steel skin on the outside treated with an epoxy coal tar coating. The company advertises single- and multifamily floorplans manufactured with options such as custom cabinets and flooring, plush carpeting and ceramic tile.