1900
S&H signs an agency agreement with B. Grimm & Co. of Bangkok.
1935
A German consortium consisting of Siemens and Voith receive an order from the Thai government for the most modern paper factory in the world, to be built in Khanburi.
1953
S&H and SSW conclude new agency agreements with B. Grimm & Co.
1971
Siemens supplies a geographical interlocking system for Bangkok’s central train station with 86 point machines and 45 signals; the royal train station is equipped with an interlocking system and centralized traffic control.
1980
In Bang Pakong, south of Bangkok, Siemens builds a combined-cycle power plant, which can be fueled alternatively with gas, light heating oil and processed heavy oil.
1991
Siemens installs the first digital electronic switching system, EWSD, and becomes the main supplier of ISDN technology in Thailand.
1993
Siemens and T. N. Inc. Ltd. form the joint venture T.N. - Communication Systems Ltd. for the sale and servicing of Hicom PABXs.
1994
Establishment of Regional Company Siemens Systems Ltd. in partnership with B.Grimm Holding Co., Ltd. in Bangkok.
1995
The Regional Company is renamed to Siemens Ltd. The business operation is expanded to offer all Siemens business areas from one single source.
1995
Electrical & mechanical (E&M) turnkey contract awarded by Bangkok Mass Transit System Plc. for Bangkok’s first elevated mass transit system – BTS Skytrain – which goes into operation in 1999.
1997
The one and only HVDC Converter Project awarded by state power utility EGAT to connect the power grids between Thailand and Malaysia.
2001
E&M turnkey contract awarded by Bangkok Metro Plc. for the first subway line in Bangkok (M.R.T. Blue Line). For the first time in its history, Siemens supplies two turnkey traffic systems in one city.
2001
An order is received for the expansion of the GSM mobile networks in Thailand.
2005 and 2006
Contracts are awarded to Siemens and consortium partner Marubeni to construct two 700-MW combined cycle power plants in Songkhla and Bang Pakong
2007
The Expressway & Rapid Transit Authority of Thailand commissions Siemens with the installation of traffic management, tolling and communications systems for the Ramindra Outer Ring Project in Bangkok
2009
A complete water and wastewater treatment contract awarded by MTH HPPO Manufacturing Co., Ltd. as part of the Thailand Growth Project
2011
The first wind farm projects in Thailand (90MW each) awarded by First Korat Wind Co., Ltd. and K.R. Two Co., Ltd.
Thailand, a snapshot from Bangkok, 1969