|1954||Overseas Merchandise Inspection Co., Ltd. (OMIC) established.
Bangkok Branch Office opened.
|1956||Produce Dept. and Minerals & Chemicals Dept. started.
Osaka Branch Office (currently Kansai Branch Office) opened.
Vancouver Branch Office opened.
|1957||Calcutta Branch Office opened.|
|1959||Portland Branch Office opened.|
|1960||Tokyo Laboratories started operations.|
|1964||Plant & Machinery Dept. started operations.
Agricultural & Consumer Products Dept. started operations.
|1977||Consulting Dept. started operations.|
|1978||OMIC India established.|
|1984||OMIC International Co., Ltd. established. ＜WTO-PSI＞|
|1986||OMIC Lanka (in Sri Lanka) established.|
|1989||OMIC Europe (in UK) established (closed in 2009.)|
|1990||OMIC Hong Kong established.|
|1992||OMIC TESCO (in Thailand) established.|
|1993||OMIC USA (in Oregon, USA) established. Portland Laboratory started operations.
Ho Chi Mihn Office opened.
|1995||Melbourne Office (in Australia) opened.
OMIC Singapore (R&B, ASIA(S)) established.
OMIC Malaysia (R&B, ASIA(M)) established.
|1996||OMIC Myanmar established.|
|1997||OMIC Korea -JV established.|
|1998||Sacramento Office (in California, USA) opened.
COPIT, Thailand joined OMIC as a Group Member.
|1999||Dalian Office (in China) opened.
Bernard Heath & Associates (in Australia) (currently OMIC Australia Pty., Ltd.) started operations.
|2000||Organic Certification Dept. (JAS Organic Certification) established.|
|2001||OMIC Uzbekistan Office opened.
OMIC Indonesia established.
|2003||Offices in Hong Kong, Singapore & Malaysia became 100% OMIC owned.|
|2004||Ritchie & Bisset (Singapore) Dalian Office opened. (closed in 2008.)
Accredited as Agency of Minister of Health, Labor and Welfare.
|2005||Taipei Office (in Taiwan) established.
California Agri Inspection Co., Ltd.（in California, USA） established.
|2006||Invested in FCC Control and Fumigation Joint Stock Company, privatized in Vietnam.
OM Inspection Co., Ltd. (in Bangladesh) established.
|2007||Dalian OMIC, China (accredited by AQSIQ) established.|
|2009||Perth office (in Australia) opened.
OMIC (Cambodia) Ltd. (in Cambodia) established.
|2018||Louisiana office (in USA) opened.|