Welcome to Doha Engineering Company (DEC)

DEC builds all structures involved with infrastructure development projects, such as pump stations, water storage reservoirs, sewage treatment plants, and electrical substations.

DEC specializes in the design and construction of urban systems for all sectors, including industrial, commercial and retail. Infrastructure projects cover the comprehensive development of civil work.

DEC builds high-quality structures with materials provided from our four (4) asphalt plants.

Laser-guided paving techniques are used to lay bitumen asphalt, crumb rubber asphalt, and polymer-modified asphalt (“superpave”).

Drainage projects, large or small, are executed with quality, health, safety and overall client satisfaction as top priorities. DEC has installed tens of thousands of meters of large and small diameter pipelines while achieving millions of consecutive working hours without Loss Time Incidents.

DEC specializes in the design and construction of subterranean, above ground, and elevated water structures, as well as the accompanying pipelines and mains. These reservoirs, which are often rectangular or circular in shape, are designed for potable water and built using cutting-edge technology, commonly in pre-stressed, post-tensioned concrete.

DEC builds high-quality structures with materials provided from our four (4) asphalt plants.

Laser-guided paving techniques are used to lay bitumen asphalt, crumb rubber asphalt, and polymer-modified asphalt (“superpave”).

All underground high voltage transmission and distribution networks, including substations, are installed by DEC. The insulated electric lines are buried underground utilizing various trenching and back-filling procedures to enhance lifetime under Qatar’s circumstances.

DEC is Qatar’s leading expert in micro-tunneling and boasts a large fleet of the world’s best machines from USA, Italy and Germany. This technology allow for indefinite shaft depth with remotely operated, nondestructive underground tunnels up to four meters (4m) in diameter.

DEC is one of the few local organizations that does remotely steerable and trenchless boring to construct underground pipes, conduits, cables, and other utilities for a variety of applications. These HDD lines have diameters ranging from 100 to 1,000 mm and are ideal for pipes made of any material.

DEC Readymix Concrete, a division of the DEC GROUP OF COMPANIES, is a prominent provider of ready-mix solutions in Qatar, with the goal and mission of “HELPING TO BUILD A BETTER QATAR.” DEC Ready Mix is the nation’s top ready-mix concrete supplier because of its commitment to the highest quality and service standards.

Doha Engineering Company – Concrete Products Division has consistently delivered best quality kerbstones and paving slabs products that meet the highest expectations and utmost satisfaction of its customers for the past fifty (50) years, solidifying its strongest foundation for the future.

DEC Crusher manufactures and supplies coarse and fine aggregates, gravel materials, sub-base materials, and bedding materials for projects as needed.

Clients include all types of concrete producers, pavement and asphalt contractors, as well as infrastructure contractors and others.