Defence Finance Monitor

Defence Finance Monitor

Warren Concrete OÜ: Engineering the Baltic Defense Line and European Land Sovereignty

Technical and strategic analysis of Warren Concrete OÜ: modular fortifications, 155mm blast resistance, and Estonia's 600-bunker wall securing the NATO Eastern Flank.

Dec 22, 2025
∙ Paid

Warren Concrete OÜ (WaCon) is an Estonian Warren Group company specializing in precast concrete structures[1]. In 2024 the Estonian Centre for Defence Investments (ECDI) contracted WaCon to produce and test prototype fortified bunkers for the Baltic Defense Line[2][3]. These 35 m² modular reinforced-concrete shelters are engineered to withstand direct 1…

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