GUISAC is a leading diversified instrumentation Contractor providing a complete range of services for the Petrochemical, Oil & Gas and other Industrial sectors. GUISAC is specialized in plant instrumentation related to engineering, procurement, installation, commissioning, training, consultancy and services.

GUISAC is a group of three establishments ;
Global Unions Industrial Support Services Est., Global Unions Trading Est. And Global Unions Construction Est. All three establishments are focusing on the area of instrumentation support, maintenance, sales, installation and training. In addition, GUISAC has a Representation for International companies as Saudi and GCC Agent. The Representation are in the area of representing engineering companies, and manufacturer of different type of instrumentations produacts, such as control valves, positioner, limit switches, transmitters and measurements. GUISAC, also, provides services in the area of instrumentation such as engineering, project execution and meters calibration, SIL and Consultancy services. 

Our Mission

To meet and exceed the expectations of our Clients and customers inline with our partnership mission.

Our Vision

To be the partner of choice for industrial instrumentation in the area of product’s services and consultancy.

Our Goal

To represent our manufacturer to the best, satisfy our customers and clients.