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American Wind Capital American Wind Capital was formed to purchase long-term cash flows from landowners who receive royalty income from wind and renewable power projects in the U.S. |
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Catapult Energy Services Catapult Energy Services is an oilfield service holding company formed by NGP ETP, Natural Gas Partners and management to facilitate investments primarily in start-up oilfield services companies. |
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Community Energy Community Energy is a REC marketer and utility-scale solar project developer, focused principally in the Northeast, Mid-Atlantic and Midwest. |
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DyNAMix Engineering & Services Group f/k/a Wellsite Fishing & Rental Services DyNAMix Engineering & Services Group provides engineering, field services, environmental planning, and smart data management to customers in the electric utility, gas utility, oilfield, and energy infrastructure end markets. |
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Flogistix Flogistix is an oil & gas production optimization service company that specializes in wellhead compression and vapor recovery systems throughout most of the onshore producing basins in the United States. |
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GSE Solutions (NASDAQ – GVP) GSE Solutions provides real-time high-fidelity simulation, training and engineering solutions to the power, energy and process industries. |
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LedEngin, Inc. LED Engin develops, manufactures, and sells advanced LED emitters, optics components and light source modules in a unique, high-lumen density, compact, multi-die package that enable solid-state lighting solutions for a wide range of applications. |
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Living Earth Living Earth recycles organic material in more than twenty facilities across Texas. |
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Managed Pressure Operations Managed Pressure Operations International is an oilfield services company that provides continuous circulation and managed pressure drilling systems to oil & gas operators around the world. |
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MS Energy Services MS Energy Services is an independent directional drilling services company with an established presence in most major producing onshore oil and gas basins in the United States. |
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Oilfield Water Logistics Oilfield Water Logistics provides a complete suite of water services for the energy industry including supply, transport, reclamation and disposal. |
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Penn Power Group Penn Power Group offers a full range of products and services that are used in the on-highway transportation, off-highway construction and industrial markets, transport refrigeration, coach and bus climate control, power generation and renewable power generation markets. |
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Power-One Power-One provides renewable energy and energy-efficient power conversion and power management solutions, and designs and manufactures photovoltaic inverters. |
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Signum Instruments Signum Instruments provides open-hole formation evaluation tools (electrical and geo-mechanical) and associated services that can help to maximize EURs, optimize completions, and increase the NPV of wells. |
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TAS Energy TAS Energy manufactures packaged cooling and energy systems for power generation, commercial & industrial cooling, advanced heat recovery and data centers. |
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Waste Resource Management Waste Resource Management is an environmental services platform that provides non-hazardous liquid waste collection, processing and disposal. |
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Zahroof Valves Inc. Zahroof Valves manufactures and sells straight-flo valves (“SF”) to the reciprocating gas compressor market. The SF minimizes downtime and operating costs, and maximizes revenue by delivering an improvement in compressor reliability, efficiency, serviceability and inventory reduction. |
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DynaPump DynaPump manufactures surface mounted artificial lift systems. |
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Environmental Drilling Solutions Environmental Drilling Solutions provides mobile cuttings drying units, pressure washers, and rig vacuum systems to the oil & |
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GeoDigital GeoDigital is a big spatial data and analytics company that helps industries efficiently manage critical assets by combining 3D maps - built on remote sensing and imaging technologies such as LiDAR - with patented analytics and location-based work management software. |
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GreatPoint Energy GreatPoint Energy is a producer of natural gas from coal, petroleum coke and biomass utilizing its bluegas catalytic hydromethanation process. |
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groSolar groSolar is a commercial- and utility-scale solar engineering, procurement and construction firm as well as a developer of utility-scale solar projects. |
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ISE Corporation ISE Corporation is a developer, manufacturer and distributor of heavy duty hybrid-electric drive systems. |
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Lehigh Technologies Lehigh Technologies produces micronized rubber powders from end-of-life tire materials and other post-industrial rubber. |
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Renewable Energy Group (NASDAQ - REGI) Renewable Energy Group is a leading North American biodiesel producer with a nationwide distribution and logistics system. |
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Satcon Satcon develops power conversion solutions and provides system design services for utility-scale renewable energy plants. |
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Southwest Windpower Southwest Windpower designs, manufactures and distributes small wind systems. |
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TPI Composites TPI Composites is the largest U.S.-based independent manufacturer of composite wind blades for global wind turbine manufactures. |
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Wellbore Energy Solutions Wellbore Energy Solutions is an oilfield services company specializing in the rental of wellbore cleaning equipment. |
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Xunlight Xunlight specializes in the development of high-performance, flexible and lightweight solar modules. |