Overview
How Crescent supports
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Oil and gas supply chains operate under scrutiny far beyond the ISO 9001 default. ISO 29001 adds sector-specific supplementary requirements around product realisation, supplier control, and traceability that reflect the consequences of a failed valve, tubular, or coating in service. Major operators — IOC, ONGC, ADNOC, Saudi Aramco, QatarEnergy, Petrobras — maintain approved-supplier regimes that treat ISO 29001 and applicable API scheme certifications as baseline filters.
Environmental and safety certifications (ISO 14001, 45001) are equally central, especially for EPC contractors and service providers working on operator sites. Integrated management system certification — one system satisfying three standards — is the economical default, particularly given the audit burden from operator second-party audits, classification societies, and regulatory inspectors.