1935 - The Young Hong Teck Guan started business in Sabah.

1938 - 1941 Japan occupation of Sabah during World War II. Datuk Seri Hong's enormous contributions and life threatening events during this period were later recorded in the Archives of Sabah. 1

944 - Business in Tawau in the post World War II era was advantageous to Datuk Seri Hong Teck Guan by trading with allied forces. With more capital, Datuk Seri Hong expanded his business by spreading the wings of Teck Guan to various Sabah districts and oversea  countries.

1953 - Teck Guan Company was destroyed by the largest fire in the history of Tawau. Almost all the Tawau shops in town were destroyed.

1954 - Teck Guan began business with Boustead Trading and controlled distribution of copra throughout Sabah.

1955 - Teck Guan began business with Shell.

1956 - Teck Guan owned a fleet of ocean liners.

1926 - Following his father's death, a relative invited Datuk Seri Hong to work and study in Kedah.

1934 - Datuk Seri Hong went to Kuching to learn to be a fisherman from his uncle.

1935 - Datuk Seri Hong owned his own fishing boat and began his ever-blooming business.

1938 - Datuk Seri Hong was trapped in Tawau unable to return due to the Second World War.

1941 - Contributions of Datuk Seri Hong's enormous life threatening events during the anti Japanese war-records are made in archice Sabah.

1944 - Business in Tawau in the post World War II era was advantageous to Datuk Seri Hong Teck Guan by trading with allied forces. With enormous capital, Datuk Seri Hong expanded his business by spreading the wings of Teck Guan to various Sabah districts and oversea countries.

By 1950s  Hong Teck Guan  was leading a successful business of  copra barter trade with the Philippines and Sulawesi.

1956 - Teck Guan owned fleet of ocean liners.

1959 - Started operation of saw mill and brick factory.

1960 - Started planting of rubber and oil palm.

1965 - Teck Guan developed the first housing project in Sabah, known as Teck Guan Villa.

1973 - Datuk Seri Hong was honored with Datuk title by the Governor of Sabah.

1981 - Datuk Seri Hong Teck Guan Trust was formed.

1991 - Datuk Seri Hong was honored with Datuk Seri Panglima title by the Governor of Sabah.

1992 - Datuk Seri Hong was bestowed the State's inaugural Tokoh Bapa Wargatua Award.

1994 - Cacao Paramount cocoa factory started operation.

1996 - Teck Guan Perdana Berhad was listed in the Second Board of Kuala Lumpur Stock Exchange (KLSE).

1999 - Atlantica Palm Oil Mill started operation.

2000 - Brantian Palm Oil Mill started operation,

2002 - Teck Guan shifted to modern & state of the art head office in Tawau - Teck Guan Regency. Teck Guan was appointed as Celcom's authorized prepaid mobile distributor for Sabah.

2003 - Sungai Burung Palm Oil Mill started operation. Teck Guan Steel was formed by merging of all existing steel, building material activities.

2004 - Teck Guan Brick Factory started operation.

2005 - Teck Guan moved forward into oleochemical industry in China.

2006 Teck Guan started to build Kernel Crushing Plant.