USA DeBusk is an industrial service provider that specializes in cleaning, maintenance, and specialty technological solutions for refineries, chemical plants, power generators, and midstream operators. Headquartered in Deer Park, Texas, the company helps industrial facilities safely reduce downtime during major maintenance outages.

New York, New York-based Malin + Goetz Inc. operates as a personal care product manufacturing and retail company. They formulate, produce, and sell their own line of skincare, fragrances, and home goods.

Thousand Oaks, California-based Amgen is a major biotechnology company that discovers, develops, manufactures, and delivers innovative human medicines using advanced cellular and molecular biology. The company creates complex biologic therapies to treat serious illnesses with limited treatment options.

Advanced Power Services is a privately owned energy company that specializes in the development, financial structuring, and asset management of modern, low-carbon, and renewable power generation and infrastructure projects.

The unnamed power plant ended up involved in the incident. It is a small-scale energy generator, according to the UK government, which said that at no point was there a risk to the wider energy system.