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Consulting firm

Trinity Consultants

PHA facilitationHAZOP facilitationLOPAFMEAWhat-IfPHA revalidation

Dallas, Texas, USA (global offices) · Listed July 23, 2026 · See all HAZOP consultants in USA →

Where they fit

A large environmental and engineering consultancy whose process-safety team has facilitated hundreds of PHAs — HAZOP, LOPA, FMEA and What-If — with remote or co-located facilitation, scribing, revalidation and QA/QC review, a fit for US and international operators wanting facilitation backed by a full PSM/RMP compliance practice.

About

Trinity Consultants is a US-headquartered (Dallas, Texas) environmental and engineering consultancy with offices across North America, the UK, Ireland, continental Europe, India, China, Singapore and Australia. Within its process-safety practice it offers PHA preparation and facilitation — remote or co-located — for Hazard and Operability (HAZOP) studies, Layers of Protection Analysis (LOPA), Failure Mode and Effects Analysis (FMEA), What-If studies and project PHAs, together with scribing, comprehensive reporting, PHA revalidation on the five-year cycle, action-item resolution and QA/QC reviews. The firm tailors methods to each client's lifecycle stage — design, startup, revalidation or decommissioning — supporting OSHA PSM and EPA RMP compliance across oil & gas, chemical, pharmaceutical, renewable-energy and manufacturing facilities.

At a glance

RegionsNorth America, Europe, Asia, Australia, Global
IndustriesOil & gas, Chemicals, Pharmaceuticals, Renewable energy, Food & beverage, Manufacturing
ServicesPHA facilitation, HAZOP facilitation, LOPA, FMEA, What-If, PHA revalidation
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