PB 300 is our first-generation modular bunker system designed with reinforced 300mm concrete walls. Each unit offers multi-directional connectivity, rapid deployment, and scalable layouts — ideal for defense, civil protection, and strategic infrastructure. Patent pending.
Pentagon Bunkers OÜ is an Estonian high‑tech manufacturing company dedicated to developing and commercializing next‑generation modular concrete protection and shelter systems designed for military defence, civil protection, and strategic infrastructure. Their unique pentagon‑shaped modular bunker system delivers exceptional structural integrity, scalability, and adaptability for command centres, troop shelters, storage facilities, and other fortified infrastructure. Their solutions are engineered in accordance with NATO and EU standards for reinforced protection, blast resistance, and operational flexibility in challenging environments.
Pentagon Bunkers develops modular, rapidly deployable bunker and shelter solutions that can be configured for a wide range of operational needs, from temporary field fortifications to permanent hardened facilities. The company’s patented pentagon-shaped module concept enables fast assembly, scalable layouts, and high structural strength while optimising transport and logistics. Solutions can be adapted with integrated power, ventilation, communications, and climate control systems, supporting both military and civil defence missions.
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