About us

OBrien improves process accuracy and winterization through engineered thermal management and sample transport solutions.

O'Brien is a trusted provider of engineered thermal management, sample transport, and instrument protection solutions that help industrial facilities achieve reliable process measurement and control in the most demanding operating environments. With more than 50 years of application expertise, O'Brien serves customers across the refining, petrochemical, chemical, power generation, and industrial markets worldwide.

Unlike suppliers that focus on individual products, O'Brien delivers integrated solutions designed around the application. Our expertise combines heat transfer, temperature maintenance, analyzer sample transport, environmental protection, and installation best practices to ensure accurate measurements, improved reliability, and reduced operational risk.

Our portfolio includes TRACEPAK® and STACKPAK™ tubing bundles, VIPAK® and HEATPAK® instrument enclosures, FLEXPAK® insulation systems, TraceBOOST® pipe tracing solutions, enclosure heaters, supports, and related technologies. Industry-leading innovations such as TrueTube® and SensorTube™ help improve analyzer response times, simplify installation, and maintain critical process temperatures.

By combining deep application engineering knowledge with global manufacturing and support capabilities, O'Brien helps customers improve process accuracy, maximize uptime, simplify project execution, and protect critical instrumentation from extreme temperatures and harsh environmental conditions. Whether supporting new capital projects or existing plant operations, O'Brien provides complete, code-compliant solutions engineered for long-term performance and reliability.