Capital Engineering Network Public Company Limited (CEN) is a holding company which focuses on investing management on Engineering field. CEN is listed in The Stock Exchange of Thailand in 1991.  Currently, CEN is investing in 3 differences of business as follows:

1. Construction consists of Ua Withya Public Company Limtied and Rayong Wire Industries (RWI) by UWC is manufacturer and distributor of high voltage steel wire, telecommunication lines and general steel structure. RWI is distributor of high tensile steel wire (Single and twist line), welding wire and spring wire.

2. Energy consists of Enesol Company Limited (ENS) which manufacturer in energy by focusing on alternative energy.

3. New Business consists of Pipe Line Engineering Company Limited (PLE)  which operates in drill tunneling by without opening the soil.