About us
Siam Industry & Manufacturer Co., Ltd.
Established in 1970 by Mr. Chai Somnimit with a registered capital of THB 36 million, Siam Industry & Manufacturer Co., Ltd. is one of Thailand’s leading experts in metal cutting, drilling, and bending. Backed by over 50 years of experience, our professional management and production teams have positioned the company at the forefront of electrical control manufacturing. Our core expertise includes circuit cabinets, electrical control panels, electronic enclosures, and high-quality OEM manufacturing. Driven by our expert R&D team, we remain committed to developing diverse, internationally standardized products to effectively serve both domestic and global markets.
Founded
May 1970
100% Thai-owned
SIM
Premium Electrical Enclosures & Cable Management Systems. Trusted Quality, International Standards
ISO 9001:2015 Certified | ISO 14001 Certified
MILESTONE
1985
Expanded factory at Bang Kradi and rebranded as Siam Industry & Manufacturer Co., Ltd.
1990
Expanded into the telecommunications market with 19″ Rack cabinets as the flagship product
2003
Achieved ISO 9001 certification from MASCI
2007
Achieved ISO 14001 certification from MASCI
2014
Successfully expanded operations into international markets, including Myanmar, Cambodia, Vietnam, and Australia.
1970
Founded as Thai Center Engineering by Mr. Chai Somnimit
1988
Established subsidiary A&C Electric Equipment to expand electrical equipment sales
1996
Opened new factory in Rayong Province to accommodate rapid growth, operating under Siam Electrical & Manufacturer Co., Ltd.
2006
Received the Prime Minister’s Outstanding SME Industry Award
2011
Received Green Industry certification from the Ministry of Industry
2020
Celebrated the 50th anniversary of Siam Industry & Manufacturer Co., Ltd.
