ISO 45001:2018

Occupational Health and Safety Management System

ISO 14001:2018

environmental management system

ISO 37001:2016

anti-bribery management system

ISO 9001:2015

quality management system

Local Contractor Safety Council 2024 – 2025

Tatsuno Certificate of Appreciation 2023

Local Contractor Safety Council 2022 – 2023

PEI 2022

HSSE Commendable Award 2018

Outstanding Annual Sales Award 2018

PEI 2018

PEI 2017

PEI 2016

PEI 2015

PEI 2014

SKM Best Contractor 2013

ISO 9001:2008

Best Contractor 2013, Q3-Q4

Best Contractor 2013, Q1-Q2

Best Contractor 2012, Q1-Q2

Outstanding Annual Sales 2005