USA

PAC L.P. is a Houston-based global provider of advanced laboratory and process analyzers used in refining, petrochemicals, biofuels and fuel quality testing. Integrating legacy brands such as AC Analytical Controls, Alcor, Antek and Cambridge Viscosity, PAC offers more than 200 instruments covering chromatography, elemental analysis, distillation, flash point, viscosity and cold-flow properties, all designed to meet ASTM and ISO standards. Its systems support precise characterization of renewable fuels including SAF, renewable diesel and biodiesel, helping producers ensure specification compliance and performance consistency.
Its product portfolio spans more than 200 instruments — covering gas chromatography, elemental analysis, physical-property measurements (viscosity, distillation, flash-point, cold-flow), fuel composition and automation systems — leveraging the combined legacy of respected brands such as AC Analytical Controls, Alcor, Antek, Cambridge Viscosity, ISL, Phase Technology, PetroSpec and others.

PAC supports global operations through 13 offices and a distribution network exceeding 140 distributors worldwide, with headquarters in Houston, Texas.

Certified under ISO 9001 and ISO 17025 quality standards, the company emphasizes high precision, reliability, compliance with global testing norms (ASTM, ISO, UOP, GPA, IP, DIN, etc.) and strong after-sales support including calibration, maintenance, training and digital lab/asset-management solutions via its PACe platform.

As demand for renewable and sustainable fuels grows, PAC plays a critical role enabling producers to test and ensure quality, compliance, and performance for biofuels, renewable diesel, sustainable aviation fuel, and blended fuel streams