Originally established in Shanghai in 1923 to support the group's engineering operations in China.
Offices have been established in China, Hong Kong, Macau, Myanmar, Thailand, Singapore and the Philippines.
The company now employs more than 4,000 staff across the Asia Pacific region; a third of these staff are working in Hong Kong where JEC has its headquarters and the remainder work from other offices in Asia.
The JEC headquarters is in Manulife Financial Centre, Kwun Tong, which housed three main business units (Electrical and Mechanical Contracting, Maintenance and Renovation and Building Equipment and Products), finance, IT, administration, EHS and human capital and communications.
JEC has been involved in the construction of various major projects in Hong Kong and around the region.