Professional Training Institute (PTI) is the dedicated training arm of Gulf Calibration Safety & Inspection Services (GCS), a leading provider of inspection, calibration, safety training, and technical consultancy services based in Muscat, Oman. Established as an integral component of GCS’s expanding portfolio of professional services, PTI reflects the organization’s deep commitment to enhancing workforce skills, promoting safety, and uplifting industry competency across the Sultanate and the wider Gulf region.