Mohammed Mosheal Al Qarni Sons Company (MQS) is committed to providing quality services to customers.

The company has a proven track record of more than three decades, mainly in petro-based pipeline installation, maintenance, industrial, mechanical and civil works.
MQS was founded by the late Mohammed M Al Qarni in 1972 with his vast and versatile experience in industrial and pipeline installation, construction, maintenance and procurement.
Substantial growth attests to the company’s success.
The company has assembled a team of highly qualified engineers with diverse backgrounds and nationalities and has provided them with an open professional working environment, allowing them to perform to the maximum of their abilities.
Equally dedicated administrative personnel provide the quality service that clients expect and deserve.
Highly experienced field staff, technically trained personnel and dedicated administrative staff support MQS.
The company’s employees are committed to their work with MQS’s central objective to provide quality service.
MQS technical and skilled workers are capable of working in different environments with best standards, continuously expanding their knowledge.
MQS diversified its business into other sectors to meet the challenging needs in computers and started the building construction maintenance activities along with hotel business and latest interior designing in collaboration with multinational companies from Malaysia, Singapore.
MQS is planning to enter other fields also and is looking for agency, dealership, partnerships and joint ventures with multinational companies in Saudi Arabia.
MQS is desirous to join hands with organisations for the valuable business where the company’s skill and expertise can be best utilised.
MQS’s strength is reinforced by large fleet of its equipment and vehicles which include cranes, boom trucks, loaders, backhoes, heavy trailers, flat beds, low beds, dump trucks, vacuum tankers, welding machines, fork lifts, compressors, sand blasting sets, generators, roller compactors, water pumps, crude oil tankers, 4WD service vehicles etc.
Their  major clients are: 
• Saudi Aramco;
• Saline Water Conversion Corporation (SWCC);
• Saudi Electricity Company;
• Royal Commission of Jubail and Yanbu;
• Sabic;
• Eastern Province Cement Company; and
• Marafiq.
The services include:
• Installation, maintenance and inspection of pipelines of oil, gas and water;
• Cathodic protection system;
• Scientific application in magnetic technology;
• Sophisticated miniaturised electronics; and
• Extensive developments in hardware and software.
MQS is able to offer professional advice, consultancy, turnkey construction, maintenance rehabilitation, protection and inspection service in the following fields:
• Industrial oil, gas and water pipelines construction and installation;
• Reconditioning and maintenance of all kinds of exposed and underground pipelines;
• Construction, fabrication and maintenance of steel structures, tanks and towers;
• Welding, hydro testing;
• General concrete rehabilitation and construction;
• Concrete protection and coating;
• Industrial and marine coatings; and
• Rehabilitation of mechanical plant foundations.
Meanwhile, in a major move, MQS also signed the agreement with Weldbend Corporation of USA, the largest manufacturer of carbon steel pipe fittings and flanges in the whole world.
Anticipating the high potential of Saudi Arabian industrial construction revolution, the presidents of both organisations Khalid Mohammed Al-Qarni and James J Coulas, Jr agreed to supply the best quality products to the oil and gas pipeline construction industry of Saudi Arabia and Gulf countries.
Mohammed Dawood, a dynamic senior citizen of the United States represented Weldbend Corporation and exchanged the contract agreement with Khalid M Al-Qarni, the President of M M Al-Qarni Sons Company in the presence of other partners Mosheal M Al-Qarni (Vice President), Tariq M Al-Qarni (General Manager) and Bandar M Al-Qarni (Assistant General Manager) in a glittering ceremony where other guests and key personnel of M M Al-Qarni Sons Co expressed their high opinion for the future prospects of the deal.
The companies engaged in mega industrial projects will be benefited as they can directly contact MQS locally at Dammam who can provide all pipe fittings, flanges, elbows, tees, bends etc= in all diameters in carbon steel and stainless steel.
Later, the Qarni brothers said that the company has its vision to be the principal in the oil and gas pipeline sector and invited companies in this field worldwide to join hands to explore Saudi Arabia's booming oil and gas market.