Solaris Energy Infrastructure, Inc. Class A (SEI)

Headquartered in Houston, Texas, and established in 2014, Solaris Energy Infrastructure, Inc. (which adopted its current name in September 2024, previously known as Solaris Oilfield Infrastructure, Inc.) serves the United States' oil and natural gas industry. The company engineers and produces specialized equipment for exploration and production firms, as well as oilfield service providers. Beyond manufacturing, Solaris delivers critical support services, including technician assistance, final-mile logistics, and mobilization solutions. Their operations also involve the transfer and secure storage of proppant and railcars at their dedicated transloading facility. Furthermore, Solaris innovates through technology development, offering Railtronix, an inventory management software, and pioneering all-electric equipment designed to automate the low-pressure stages of oil and gas well completion processes.