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As of September 1, 2023, NexTier Oilfield Solutions Inc. was acquired by Patterson-UTI Energy, Inc. NexTier Oilfield Solutions Inc., through its subsidiaries, provides well completion and production services in various active and demanding basins. The company operates in two segments, Completion Services, and Well Construction and Intervention Services. The Completion Services segment offers hydraulic fracturing services to enhance production of oil and natural gas from formations with low permeability and restricted flow of hydrocarbons; wireline services; and perforating, pumpdown, pipe recovery, pressure pumping, and wellsite make-up and pressure testing services. This segment is also involved in the sand hauling, wellsite storage, and last mile logistics activities. The Well Construction and Intervention Services segment provides cementing services that incorporate custom engineered mixing and blending equipment to ensure precision and accuracy in providing annulus isolation and hydraulic seal, while protecting fresh water zones from its customers' zone of interest; and engineering software and technical guidance for remedial cementing applications, and acidizing to optimize the performance of its customers' wells. It serves integrated and large independent oil and natural gas exploration and production companies in the United States and internationally. NexTier Oilfield Solutions Inc. was founded in 1973 and is headquartered in Houston, Texas.

SustainCo Inc., through its subsidiaries, provides infrastructure solutions and services in Canada. The company develops intelligent building technology, including the integration of disparate building systems for the provision of building automation and controls, HVAC mechanical services, real-time performance monitoring, and energy efficient retrofit and solutions. It also provides heating and cooling solutions for multi-residential and commercial buildings using energy from the earth. In addition, the company offers engineering services, building automation controls, mechanical and electrical installation, performance monitoring, and operations and maintenance services for multi-residential and ICI facilities. SustainCo Inc. was incorporated in 2008 and is based in Vaughan, Canada. The company is a subsidiary of Skyvest Aviation Inc.