Areas Served in Southern California
Los Angeles County San Diego County Orange County Riverside County San Bernardino County Kern County Ventura County Santa Barbara County San Luis Obispo County Imperial County Agoura Hills Alhambra Arcadia …
We build the highest quality Concrete Shelters and Bunkers
We build the highest quality Concrete underground Shelters and Bunkers
Free EstimatesThe monolythic concrete dome shelter, there is not a stronger shape to protect you from a nuclear event!
Our shelters are designed to deliver maximum protection against nuclear, chemical and biological weapons effects. Our elliptical design and subterranean reinforced concrete are the methods and materials chosen by the US military.
Standard size 16’x8′, Shelters are customizable to accommodate the needs of you and your family. 6 person shelters starting at $69,999. We also Design/Build larger units to accommodate 25+ persons.
Our staff includes noted physicist Riccardo DeSalvo. His knowledge and input have been instrumental in the design and construction, enabling us to offer and build the highest quality shelters.
California License #799805
(909 )921-1791 (626) 533-9226
The Alliance team includes former CalTech professor Riccardo DeSalvo and Matthew Schwab, United States Air Force Sergeant, International Air Base Engineering and Design.
37 years of Concrete Knowledge.
In-house custom engineering by Jimmy Cass, Structural Engineer certiftcate # S 6385.
If steel pipes and steel boxes were the best shelter platform, the Military would be using them, and they are not. They are still using reinforced concrete. There has to …
16′ x 8′ eliptical bunker – Protection for your family- 15 psi rating (Swiss standard) 10″ thick reinforced concrete walls 12″ thick steel reinforced concrete ceiling Eliptical shaped, deflecting domed …
Los Angeles County San Diego County Orange County Riverside County San Bernardino County Kern County Ventura County Santa Barbara County San Luis Obispo County Imperial County Agoura Hills Alhambra Arcadia …
Perhaps the most important element in designing an underground bunker is its location or sitting. The position of the underground bunker must satisfy the structural requirements from the shelter standpoint …
Our Underground or Above Ground Bunkers are individually designed and built to meet your long term survivability requirements. Although the designs and systems are principally determined for nuclear weapons, it …
Underground Concrete Bomb Shelters and Survival Bunkers Concrete is better than steel for Underground Bunkers. That’s the reason the Government and Military are still building them with concrete. We build …
We offer FREE ESTIMATES.
Serving all of Southern California.