It offers grass root plant construction, plant revamp and modification, plant upgrade and expansion and de-bottlenecking for LSTK/EPC/LSPB type projects.

Our impressive client base includes Saudi Arabia's top-tire organizations such as the state-owned SAUDI ARAMCO, SABIC, SEC, PETRORABIGH and other major International EPC companies.  These entities consider us as their reliable partner and solution providers owing to our profound technological expertise and project management capabilities.

SIS Operations & Maintenance (O&M) has over 47 years experience in offering multi-discipline plant maintenance services related to oil, gas, petrochemical, power, desalination process, heavy industrial plants and facilities.

Our main clients are SAUDI ARAMCO and its affiliates, SABIC affiliates, SEC as well as various other private and government industrial organizations.

Industrial maintenance services are complementary to our construction activities offering full spectrum of services together with a stand-alone role each having its own specialized skills and requirements. 

Our Core Business Divisions and Nationwide Facilities Network provide overall solutions in turn key construction, commissioning, maintenance, skilled manpower supplies to oil refineries, gas plants, petrochemical, fertilizer, steel, power generation and desalination plants.

SIS is the flagship company of Al-Suwaidi Group, which provides professional services with international quality standards to major industries and is one of the most respected and reputable contractors in the Kingdom of Saudi Arabia.