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Consulting firm

Adley Services

PHA facilitationHAZOP facilitationHAZIDWhat-IfRevalidationsManagement of changePSM

Lafayette, Louisiana, USA · Listed August 26, 2026 · See all HAZOP consultants in USA →

Where they fit

A Louisiana licensed engineering firm with a dedicated process hazards analysis facilitation practice, a fit for onshore and offshore oil & gas operators wanting facilitators, technical guides and scribes for full-facility HAZOPs, revalidations and what-ifs, including remote PHAs.

About

Adley Services is a Louisiana-licensed professional engineering firm based in Lafayette, led by president Susan Frizzell, serving onshore, offshore and midstream oil & gas. Its own site features Process Hazards Analysis Facilitation as a core service, stating that its PHA facilitators, technical guides and scribes carry out full-facility HAZOPs and HAZIDs, revalidations, what-ifs and project-specific hazard reviews, with a remote PHA option delivered over secure video conferencing. Adley also offers facilities engineering and design (wellhead to pipeline), production and electrical safety system compliance, management of change reviews and process safety management program evaluation aligned with BSEE and federal regulations.

At a glance

RegionsUSA
IndustriesOil & gas, Offshore, Midstream
ServicesPHA facilitation, HAZOP facilitation, HAZID, What-If, Revalidations, Management of change, PSM
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