Williams

MountainWest Pipelines, formerly known as Questar Pipeline, LLC, specializes in natural gas transportation and underground storage services across Utah, Wyoming, and Colorado. The company operates an extensive network of approximately 2,667 miles of pipelines, which interconnect with other pipelines and have a total daily capacity of 2,530 Mdth. Its strategic location in the Rocky Mountains allows MountainWest Pipelines to access significant natural gas reserves in key producing regions, including the Greater Green River, Uinta, and Piceance basins. In addition to its core services, the company also provides wellhead automation and measurement services, supporting local oil and gas producers. Founded in 1983 and based in Salt Lake City, Utah, MountainWest Pipelines is a subsidiary of Dominion Energy Midstream Partners.

Founded in 2016, Orbital Sidekick provides Earth observation services using satellite-based hyperspectral imaging technology. It captures hundreds of narrow spectral bands from visible light to infrared, serving energy, oil and gas, mining, environmental monitoring, infrastructure, agriculture, and defense sectors.

LongPath Technologies develops laser-based monitoring solutions for the oil and gas sector. The company offers long-range laser systems and managed infrastructure for continuous emissions monitoring across large areas, capable of detecting leaks and identifying the absorption fingerprints of multiple molecules. This enables emission source identification and rate quantification in a cost-effective manner, helping operators validate gas performance and support safer, more sustainable operations.

Aurora Hydrogen develops clean, scalable hydrogen production technology that utilizes microwave energy to decarbonize transportation and industrial processes. The technology is designed to be adaptable for installations ranging from small fueling stations to large industrial facilities, aims to produce hydrogen with no carbon dioxide emissions and minimal water consumption, and seeks to reduce global carbon emissions through widespread deployment.

Sequent Energy Management is an oil & energy company based in Houston, United States. It specializes in providing comprehensive energy asset management and optimization services tailored for the natural gas industry. The company offers a range of services including supply and producer support, risk management, gas scheduling, structuring, origination, and generation. These services help clients optimize their natural gas assets and efficiently utilize transportation and storage infrastructure.

Access Midstream Partners was a company focused on the development of natural gas gathering and processing assets. It specialized in providing essential services such as gathering, compression, dehydration, and treating of natural gas. In 2012, Access Midstream Partners was acquired by The Williams Companies, marking a significant shift in its operational trajectory and strategic alignment within the energy sector.

Barrett, based in Denver, produces natural gas and oil in the Rocky Mountain region.