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Dawson Geophysical Company provides onshore seismic data acquisition and processing services in the United States and Canada. The company acquires and processes 2-D, 3-D, and multi-component seismic data for its clients, including oil and gas companies, and independent oil and gas operators, as well as providers of multi-client data libraries. Its seismic crews supply seismic data primarily to companies engaged in the exploration and development of oil and natural gas on land and in land-to-water transition areas. The company also serves the potash mining industry. The company was founded in 1952 and is headquartered in Midland, Texas. Dawson Geophysical Company is a subsidiary of Wilks Brothers, LLC.

NXT Energy Solutions Inc., a technology company, provides services to the oil and gas industry through its proprietary stress field detection (SFD) technology worldwide. Its SFD technology, a remote sensing airborne survey system utilizes quantum-scale sensors to detect gravity field perturbations in an airborne survey method which can be used onshore and offshore to remotely identify traps and reservoirs with hydrocarbon and geothermal exploration potential. The company was formerly known as Energy Exploration Technologies Inc. and changed its name to NXT Energy Solutions Inc. in September 2008. NXT Energy Solutions Inc. was incorporated in 1994 and is headquartered in Calgary, Canada.

ReoStar Energy Corporation engages in the exploration, development, and acquisition of oil and gas properties primarily in Texas. It owns approximately 9,000 acres of leasehold, which include 5,000 acres of exploratory and developmental prospects, as well as 4,000 acres of enhanced oil recovery prospects. The company was formerly known as Goldrange Resources, Inc. and changed its name to ReoStar Energy Corporation in November 2004. ReoStar Energy Corporation was incorporated in 2004 and is headquartered in Fort Worth, Texas.

VivoPower International PLC, together with its subsidiaries, operates as a sustainable energy solutions company in Australia, Canada, the Netherlands, the United Kingdom, the United States, the Philippines, and the United Arab Emirates. It operates through Critical Power Services, Electric Vehicles, Sustainable Energy Solutions, and Solar Development segments. The Critical Power Services segment offers energy infrastructure generation and distribution solutions, including the design, supply, installation, and maintenance of power and control systems to a range of government, commercial, and industrial customers. The Electric Vehicles segment designs and builds electric battery conversion kits to replace internal combustion engines for customers in the mining, infrastructure, utilities, and government services sectors. The Sustainable Energy Solutions segment engages in the design, evaluation, sale, and implementation of renewable energy infrastructure. The Solar Development segment comprises solar projects. The company was founded in 2014 and is headquartered in London, the United Kingdom.