Shimizu Corporation announced on 5 March that it would acquire all shares of American Engineering Corporation (Okinawa), a construction and facilities firm whose work centres on US military bases.
Why Shimizu Corporation is buying American Engineering Corporation (Okinawa)
Shimizu said the acquisition would strengthen its ability to handle US military base projects in Japan and Guam and IT infrastructure work, chiefly data centres ordered by foreign companies, as part of the external growth and engineering expansion goals in its medium-term plan.
Deal terms and financing
Financial terms were not disclosed. The share acquisition was planned for late May 2026 or later.
Market context
AEC was founded in Delaware in 1964 and offers design, construction and maintenance of buildings, civil works and electrical, mechanical and fire systems, plus IT solutions and US materials procurement. It had 1,204 employees as of April 2025 and group sales of about ¥50bn in the year to December 2025.
