Since 1918 S. Zia-ul-Haq & Sons is engaged in providing services par excellence. Company is engaged in different domains and spheres including Catering, Housekeeping, Janitorial, Camp Management Services, Manpower Supply, Civil Engineering, HVAC, Portable Cabins, Software and more. Company is professionally serving major Oil & Gas Explorations in the most difficult and far-flung areas of Pakistan. S. Zia-ul-Haq & Sons, an ISO 9001 : 2000 certified company is committed to improve services through rigorous training and upgrading plans. Company is constantly striving to adopt new technology and practices in order to add more value to the services. Company is pursuing for HACCP that will put S.Zia ul Haq & Sons in the forefront of the market. We strongly believe in customer satisfaction, which is essence of our success. Company is now moving towards one window solution for all customer needs.