U.S. WELL SERVICES, LLC is an oilfield service provider specializing in well stimulation services for the upstream oil and natural gas industry. Founded in 2012, the company was acquired by ProFrac Holding Corp. (NASDAQ: PFHC) in the fourth quarter of 2022 and now operates as a subsidiary. Its principal place of business is located in Willow Park, Texas. The company has varied employee counts reported, with figures ranging from 237 employees as of February 2026 to around 414 in 2021. Annual revenue was reported as $250 million as of December 2021.
U.S. Well Services provides high-pressure hydraulic fracturing in unconventional oil and natural gas basins across the United States. They offer a range of hydraulic fracturing solutions, including conventional diesel and multi-patented electric frac fleets known as Clean Fleet®. Their electric pressure pumping technology utilizes locally supplied natural gas, including field gas, to power mobile well stimulation systems, aiming to reduce emissions, noise pollution, and operational costs. The company has also developed technologies such as PowerPath for centralized power generation and SANDSHIELD to reduce silica emissions.
In terms of patent litigation, U.S. Well Services, LLC is an operating company that asserts its intellectual property. The company is recorded as a plaintiff in one tracked case. This single case, PROFRAC SERVICES, LLC et al. v. LIBERTY ENERGY SERVICES LLC et al., filed in 2025, is a patent infringement suit in the United States District Court for the Eastern District of Texas, Marshall Division, a venue known for its plaintiff-friendly docket.
This tracked litigation involves U.S. Well Services, LLC and its parent company, ProFrac Services, LLC, jointly asserting patents against Liberty Energy Services LLC. The asserted patents relate to electric hydraulic fracturing technology, including an "Integrated mobile power unit for hydraulic fracturing" and a "System and method for integrated flow supply line." The case highlights the competitive landscape surrounding intellectual property in electric fracturing systems within the oil and gas industry.