Industrial Service

H-Construction Management and Engineering Company Limited

a 100% subsidiary that provides design, construction supervision, and project management services.

Eastern Pipeline Services Company Limited

a 100% subsidiary that provides support and facility for piping distribution for chemicals, steam and industrial gases for heavy industrial users.

Waste Management Siam operates the Eastern Seaboard Environmental Complex

Located at WHA Chonburi Industrial Estate, this is Thailand’s first licensed, ISO 9001 and 14001-certified, non-hazardous waste disposal landfill site.