Investment Holding Group QPSC is a Qatar-based company, which is engaged in a number of investments in the construction sector. Its investments are divided into the following categories: Main Contractors, Specialized Contractors and Suppliers and Traders. Its Main Contractors category operates through Construction Development Contracting & Trading WLL, a civil contracting company offering a range of construction services. Its Specialized Contractors category includes the companies: Debbas Enterprise Qatar WLL, which provides Mechanical, Electrical and Plumbing (MEP) contracting, and facility management services, as well as Electro Mechanical Engineering Company WLL, which provides a range of electrical and mechanical services in the construction and contracting industry, among others. The Company’s Suppliers and Traders category includes: Trelco Limited Company, a supply and trading company serving a number of market sectors, and Consolidated Supplies Company WLL, among others.