Bomb Shelters & Bunkers

We build the highest quality Concrete underground Shelters and Bunkers

Free Estimates

About Us

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.


Bunkers and Shelters

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Rebar undergrrond bunker

We Build Concrete Bunkers

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 …