1977 :Mitsui Construction Company Japan commences its operations in Sri Lanka.
1984 :Under the FIAC, Mitsui Construction Company Lanka (Pvt) Ltd., is incorporated and authorizes to carry out civil construction work .
1985 :FIAC authorisation is extended to include the leasing / hiring of industrial equipment .
1988 :Mitsui Construction Company Lanka (Pvt) Ltd., changes its name to Sanken Lanka (Pvt) Ltd.
FIAC approvals are extended to cover the construction of middle and upper class housing and commercial complexes.
1991 :Approval for the sale of Ready-Mixed Concrete is granted.
Sanken Lanka is awarded ISO Certification for Ready-Mixed concrete by Sri Lanka Standards Institute ( SLS).
1997 :Mitsui Construction Company Japan commences its operations in Sri Lanka.
2003 :Change in ownership with the merger of Mitsui Construction Company with Sumitomo Corporation of Japan.
Ownership became 80% Sri Lankan and 20% Japanese.
2011 :Sanken Lanka (Pvt) Ltd., changed its name to Sanken Construction (Pvt) Ltd.
Sanken Construction is an ICTAD C1 Graded (Highest Rank) company, with ISO 9001:2008 QMS Certification.