Japanese marine civil engineering, dredging and reclamation contractor

TOA Corporation

TOA prospective rendering of the Mombasa SEZ DK1 jacket quay and cargo yard

TOA Corporation; prospective DK1 project rendering published with the 2024 award announcement, not construction-progress or as-built evidence

TOA Corporation is a Japanese general contractor founded in 1908 with core operations in marine engineering, dredging, reclamation and port construction.

Organization overview

Japanese marine civil engineering, dredging and reclamation contractor

Geographic footprint: Global, including Asia Pacific, Africa, Middle East, and Kenya and Mombasa. Core marine roles: Marine civil engineering main contractor, Dredging and reclamation contractor, Port and harbor construction contractor, and Steel-pipe-pile and jacket-quay delivery integrator.

Project records 2 Last reviewed 1 August 2026

Type

Japanese marine civil engineering, dredging and reclamation contractor

Active regions

Global, Asia Pacific, Africa, Middle East, Kenya and Mombasa

Marine works roles

Marine civil engineering main contractor, Dredging and reclamation contractor, Port and harbor construction contractor, Steel-pipe-pile and jacket-quay delivery integrator, Marine ground-improvement and PVD works contractor, Cargo-yard, pavement, drainage and building works contractor, Environmental monitoring and offshore-disposal compliance counterparty, Package-level quality, schedule and handover contractor

Role in marine infrastructure

TOA Corporation is a Japanese general contractor founded in 1908 with core operations in marine engineering, dredging, reclamation and port construction. Kenya Ports Authority selected TOA as the Package 1 main contractor for the Mombasa SEZ DK1 port works. That role covers the integrated civil and building package; it does not identify the dredging fleet owner, marine subcontractors or jacket supply chain.

Sources used 5

Source collections