Alan Plummer Associates

APAI is a civil and environmental engineering firm.  Water is the focus of the services provided by APAI because we believe that “water is precious.”  Providing engineering and environmental services related to drinking water, wastewater, water reuse, and storm-water involves multiple disciplines such as engineering design, construction, treatment process support, water resource planning, and regulatory support.

American Disposal Services

American Disposal Services (ADS) is a premier commercial oilfield waste management Company in Texas. ADS manages facilities throughout South and East Texas that process oil and gas exploration and production waste. ADS has an excellent safety record and is a highly regarded disposal well operator at the Texas Railroad Commission for consistently exceeding regulatory compliance standards.  ADS has 5 facilities in operation in in the Eagle Ford and Haynesville shale plays.


Anadarko is among the world’s largest independent oil and natural gas exploration and production companies, with 2.06 BBOE of proved reserves at year-end 2015. Anadarko's mission is to deliver a competitive and sustainable rate of return to shareholders by developing, acquiring and exploring for oil and natural gas resources vital to the world’s health and welfare. 

Apache Corporation

Apache Corporation is an independent energy company that explores, develops and produces natural gas, crude oil and natural gas liquids. It has interests in six countries: the U.S., Canada, Egypt, Australia, the U.K. North Sea (North Sea), and Argentina. Apache has over 5,000 employees and generated over $15 billion in revenue last year. It is also the most active driller in the the Texas Permian Basin.

Aquaterra Water Management

Aquaterra Water Management is a leader in North American wastewater management and disposal. Our goal is to provide customer-driven solutions to the petroleum industry by providing professional, reliable expertise and strategies that meet regulatory and environmental requirements. Aqua Terra prides itself on its solid relationships with leading oil and gas exploration and production companies. We are continuing to build these relationships, through responsive, flexible and proactive operations. Aqua Terra is committed to doing its part to support a responsible oil and gas industry that is focused on safe and environmentally sustainable operations. 

Black Mountain Disposal

Black Mountain Disposal is an oilfield services company focused on providing wastewater and environmental solutions to the Oil & Gas industry across the continental US. Black Mountain Disposal develops and operates Salt Water Disposal Facilities in core areas of resource plays in the United States. They invest in industry wastewater and environmental solutions, creating partnerships with operators so they can focus on what they do best: the exploration and production of hydrocarbons. Their team focuses on adding value to that mission, allowing operating partners to achieve higher capital efficiency and recycle ratio to their peers.

Bosque Systems

Bosque Systems, LLC is a diversified oil and gas fluids management service company promoting environmentally responsible practices throughout the recovery, transportation, storage, treatment, recycling, and handling process of Pre-frac, Flowback and Produced water and other fluids. Bosque Systems is well positioned to be the premier oil and natural gas fluids management service company in the United States.

Brigham Resources

Brigham Resources, LLC is a privately held oil and gas company headquartered in Austin, Texas. Founded by Bud Brigham and former management team members from Brigham Exploration Company following the company’s sale to Statoil, Brigham Resources is focused on using advanced technologies to identify and develop unconventional liquids rich resource plays.

Buckhorn Energy Services

Buckhorn Energy Services is a leading provider of disposal and treatment services for waste byproducts generated in the process of developing and producing crude oil and natural gas. We help our clients achieve their objectives while fulfilling community, environmental and regulatory obligations by providing safe, reliable and efficient solutions for disposing of byproducts created in the drilling, completion and production of oil and natural gas.

Bureau of Economic Geology

Established in 1909, the Bureau of Economic Geology in the Jackson School of Geosciences is the oldest and second-largest organized research unit at The University of Texas at Austin. In addition to functioning as the State Geological Survey of Texas, the Bureau conducts research focusing on the intersection of energy, the environment, and the economy, where significant advances are being made tackling tough problems globally. The Bureau partners with federal, state, and local agencies, academic institutions, industry, nonprofit organizations, and foundations to conduct high-quality research and disseminate the results to the scientific and engineering communities as well as to the broad public.

Buy SWD specializes in saltwater disposal wells, stationary treatment facilities, mud reclamation plants, water/waste transportation companies, SWD permits, and other oilfield waste related assets.

Clear Water Resources

Clear Water Resources is a growth-oriented water and environmental services company that provides water management solutions and other critical services to E&P customers. Clear Water Resources currently operates saltwater disposal and washout facilities in the Eagle Ford, with multiple locations under development in the Eagle Ford and Eaglebine regions of Texas.  

Core Capital

Core Capital is a specialty investment company providing customized financing solutions to lower middle market companies which operate in the energy sector and who generally have annual revenues ranging from 10mm and 200mm USD. We seek to partner with entrepreneurs, business owners and management teams and we generally provide "one stop" financing alternatives to companies in need of debt capital.

Eclipse Midstream is a midstream oil and gas company based in Fort Worth, Texas. Eclipse connects producing wells and tank batteries to water disposal and treatment facilities, providing long-term solutions and reducing the need for expensive trucking operations

Express Energy Services

Express Energy Services is a diversified oilfield service company with 11 service lines located across the United States offering drilling services including casing and tubing running, pipe laydown services, rathole drilling, pressure testing and drill site rentals. Express also offers completion and production services including well testing, water transfer, and wireline. Express' geographic operating basins include the Permian Basin, South Texas, Barnett Shale, East Texas, Haynesville Shale, Bakken Shale, Marcellus and Utica Shales, Oklahoma and the Gulf of Mexico.

Five Point Capital Partners

Five Point Capital Partners is a private equity firm focused on investments in the energy infrastructure sector.

Five Point’s strategy is to partner with, develop, and support strong management teams through buyout and growth capital investments within the midstream energy sector.

Fluid Delivery Solutions

Fluid Delivery Solutions is dedicated to providing our E&P clients with comprehensive water management solutions. From the development, design and operation of total fluid transfer services.  FDS's operational team also provides clients Above Ground Storage solutions with a variety of sizes to fit every need.  FDS's mud engineers also provide state of the art Clear Brine Water Separation for heavy brine drilling activities along with drilling rig water management solutions.  Finally, FDS is working on simplified water treatment that will improve water quality and maintain economics.

FMC Technologies

FMC Technologies, Inc. (NYSE: FTI) is a leading global provider of technology solutions for the energy industry. Named by Forbes® Magazine as one of the World's Most Innovative Companies in 2013, the Company generated revenue of over $7 billion in 2013, has approximately 19,700 employees and operates 30 production facilities in 17 countries. FMC Technologies designs, manufactures and services technologically sophisticated systems and products such as subsea production and processing systems, surface wellhead systems, high pressure fluid control equipment, measurement solutions, and marine loading systems for the oil and gas industry.

Globe Energy Services

Globe Energy Services offers a full range of oilfield services capabilities that are primarily focused on new well completions and the production and maintenance of existing well bores. These capabilities include Fluid Services, Well Servicing, Fishing and Rental, Completion Systems and Production Chemicals.

Goodnight Midstream

Goodnight Midstream owns and operates an extensive network of water gathering pipelines and saltwater disposal wells focused on gathering and disposing of produced saltwater. Goodnight’s midstream approach minimizes environmental impact and improves health and safety while lowering lease operating expense and improving reliability for their customers. Goodnight is supported by a team of highly experienced engineers and operating professionals.


Hitatchi America

Hitachi America, Ltd., a subsidiary of Hitachi, Ltd. established in 1959, is headquartered in Tarrytown, New York. Hitachi America, Ltd., and its subsidiary companies offer a broad range of electronics, power and industrial equipment and services, automotive products and consumer electronics with operations throughout the Americas.

Key Energy Services

Headquartered in Houston, Texas, Key Energy Services offers clients a comprehensive array of onshore energy production services and solutions backed by decades of oilfield experience and industry knowledge. Key offers an entire suite of well servicing solutions, including: drilling and workover rigs, coiled tubing, frac stack and well testing, fluid services, onshore and deep-water fishing, and rental services. Key employs more than 8,500 people worldwide and service customers across the Americas, Russia and the Middle East.

Laredo Petroleum

Laredo Petroleum is an independent energy company with headquarters in Tulsa, Oklahoma. Laredo's business strategy is focused on the acquisition, exploration and development of oil and natural gas properties primarily in the Permian Basin in West Texas.

Milestone Environmental Services

Milestone Environmental Services (formerly American Disposal Services) works with North American E&P operators to secure and safely dispose of injectable oilfield waste streams. Our proprietary injection wells dispose of waste more than a mile below the Earth's surface, below any water tables or environmentally sensitive formations.


National Oilwell Varco (NOV)

National Oilwell Varvo is a leading provider of equipment and components used in oil and gas drilling and production operations, in addition to oilfield and supply chain integration services to the upstream oil and gas industry.

NGL Energy Parnters

NGL Energy Partners owns and operates a vertically integrated energy business with five primary businesses: water solutions, crude oil logistics, NGL logistics, refined products and renewables, and retail propane. NGL Energy Partners LP is a Delaware limited partnership.


Nuverra is an environmental solutions company. Nuverra is one of the largest companies in the United States dedicated to providing comprehensive and full life-cycle environmental solutions to customers in energy and industrial markets. Nuverra focuses on the collection, delivery, treatment, recycling, and disposal of restricted solids, water, waste-water, waste fluids, used motor oil, spent antifreeze, and hydrocarbons. Nuverra continues to expand its suite of environmentally compliant and sustainable solutions to customers that demand strict environmental compliance and accountability from their service providers.


Pentair plc ( delivers industry-leading products, services and solutions for its customers' diverse needs in water and other fluids, thermal management and equipment protection. With 2013 revenues of $7.5 billion, Pentair employs approximately 30,000 people worldwide.

Petro Waste Environmental

Petro Waste Environmental processes non-hazardous oilfield drilling by-products and is dedicated to high standards of safety and compliance. The company is working with the best engineering firms to create state-of-the-art facilities using world-class technology including high-tech automation and monitoring systems, which supplement the functions of onsite personnel. Petro Waste has a strategic partnership with Pyote Water Systems to dispose flow-back and produced water at their salt water disposal facilities in the Permian Basin and The Eagle Ford shale. Petro Waste is headquartered in San Antonio, Texas.


Pinnergy is a professionally managed oilfield service company, providing a suite of drilling, completion and production related services in several major U.S. onshore oil and gas producing regions. Pinnergy is one of the largest providers of fluid handling services and drilling services with operating locations throughout the Permian Basin, Eagle Ford Shale, Barnett Shale, Haynesville Shale, Eaglebine and in multiple locations throughout the Ark-La-Tex. Pinnergy owns and operates numerous saltwater disposal wells in Texas and Louisiana. More information can be found at

Probity Energy Partners

Probity Energy Partners is an independent oil and gas company headquartered in Midland, Texas. Our focus is the acquisition, development, exploration and exploitation of oil and gas properties with a primary focus in the Permian Basin of West Texas and Southeastern New Mexico. We look for acquisitions that meet our strategic and financial objectives and partners that are aligned with our core values.

Purestream Energy Services

Purestream Services is a privately held company focused on the advancement of economically viable, environmentally responsible water management solutions created to address the issues facing the world’s oil and gas production fields. Headquartered in Salt Lake City, Utah, the company has recently expanded its treatment solutions from oil and gas operations to include utilities, mining, food processing, municipal waste water and other water intensive industries. 

RRig Water Solutions Logo

RRig Water Solutions is a water transfer company that provides Upstream producers economical, long-term fresh and wastewater solutions. They are focused and committed to servicing Permian Basin operators, both big and small, from start to finish.

SandRidge Energy

SandRidge Energy, Inc. (NYSE: SD) is an oil and natural gas exploration and production company headquartered in Oklahoma City, Oklahoma with its principal focus on developing high-return, growth-oriented projects in the Mid-Continent region of the United States. The Company owns and operates the nation’s largest saltwater gathering and disposal system. In addition, SandRidge owns and operates a drilling rig and related oil field services business.


Shawcor Ltd. is the leading integrated energy services company and is responsible for protecting the integrity of operational assets in multiple global markets. Through proprietary, technology-based products, services, and solutions developed by five distinct groups: pipeline performance, integrity management, composite production systems, connection systems, and oilfield asset management, Shawcor Ltd. offers end-to-end support for every aspect of operation.

Solaris Midstream

Solaris Midstream is an independent, growth-oriented midstream company headquartered in Houston, Texas, that owns, operates and designs crucial midstream assets across key unconventional U.S. basins. Solaris is initially focused on developing cost-effective, efficient and reliable water-specific midstream solutions.

Tailwater Capital

Based in Dallas, Texas, Tailwater Capital LLC (“Tailwater”) is a sophisticated, growth-oriented energy private equity firm with a well-established track record, having executed more than 35 energy transactions representing $11 billion of transaction value. Tailwater currently manages $1.4 billion in equity capital, over $700 million of which is available for new investments. Tailwater is actively seeking new opportunities focused on acquiring and growing midstream assets as well as participating in non-operated upstream opportunities in select basins.

Tetra Technologies

TETRA Technologies, Inc. is a geographically diversified oil and gas services company, focused on completion fluids and associated products and services, water management, frac flowback, production well testing, offshore rig cooling, compression services and equipment, and selected offshore services including well plugging and abandonment, decommissioning, and diving.

Trilantic Capital Partners

Trilantic Capital Partners is a global private equity firm focused on control and significant minority investments in North America and Europe managed by Trilantic North America and Trilantic Europe. Trilantic primarily target investments in the consumer, energy, industrials, TMT, healthcare, financial and business services sectors. 

Water Bridge

Our mission is to create long-term value by acquiring, operating, and monetizing non-core salt water disposal infrastructure from exploration and production companies—turning their capital expenditure into an operating expense.

Water Midstream Partners

Water Midstream is a development and operating company focused on water management for oil and gas producers, focused on lowering operating costs related to water disposal. Operations are focused in the Permian Basin, with additional assets in the Eagle Ford, and East Texas.