The top three occupations in the Petroleum refining Industry Group are miscellaneous production workers, including semiconductor processors, chemical engineers, and miscellaneous plant & system operators. On average, full-time employees in the Petroleum refining Industry Group work 46.4 hours per week and have an average annual salary of $124,895. Part-time employees in the same industry work 19.2 hours and earn an average annual salary of $56,382.

The locations with the highest concentration of employees in the Petroleum refining Industry Group are Orange & Hardin Counties PUMA, TX, Houston-Galveston Area Council--Liberty & Chambers Counties PUMA, TX, and Jefferson County (Outside Beaumont City)--Port Arthur City PUMA, TX.

The workforce of Petroleum refining Industry Group in 2024 was 174,055 people, with 17.9% woman, and 82.1% men.

In 2024, 64% of the workforce in the Petroleum refining Industry Group was White (111,424 people), of which 17.3% were women and 82.7% men.