Oil & Gas Companies in United States
7188 companies listed

Mission & Value Statement Founded in 1984, COGA’s purpose is to foster and promote the beneficial, efficient, responsible, and environmentally sound development, production, and use of Colorado’s oil and natural gas resources. COGA is a nationally recognized trade association that aggressively…

The California Independent Petroleum Association (CIPA) is a non-profit, non-partisan trade association representing approximately 500 independent crude oil and natural gas producers, royalty owners, and service and supply companies operating in California.  Our members represent approximately…

The Association of Energy Service Companies (AESC) is the premier association of the energy service industry. We provide information and assistance to members in many important areas of ourindustry, including: Management and safety conferences Meetings with government officials, both Regulatory and…

AIPRO is the voice of Arkansas’s oil and natural gas community and the state’s royalty owners. Browse our site to become more familiar with our organization and its members. If you have questions about the association or industry, please contact us at any time.

The American Public Gas Association is the only not-for-profit association for public and community-owned gas utilities. Representing over 700 members in 37 states, APGA is The Voice and Choice of Public Gas in Washington, DC. Our association advocates for issues that affect our members and the communities…

Versa's never-ending mission is to be the preferred provider of total encompassing asset integrity and inspection solutions for our clients. Versa will continuously evaluate, research, and enhance our practices and structures so they remain client and Versa employee centered.  

The company was formed in 1979 under the name of Walzel and Associates, Inc. and in 1999 a new company was formed, Walzel Technical Services, Inc. The primary objective of Walzel Technical Services is to provide Third Party Inspection services to the oil and gas markets and to other major construction…

Weatherford delivers innovative technologies and services designed to meet the world’s current and future energy needs in a safe, ethical, and sustainable manner. Grounded by our core values and inspired by our world-class people, we are committed to being a trusted business partner to those we…

WIKA pressure, temperature and level measuring instruments can be found worldwide in the field of oil and gas production and regeneration, offshore as well as onshore. Our measuring instruments are manufactured in close cooperation with members of ISO 15156 and NACE committee in accordance with the…

Since 1918 William E. Williams Valve Corporation has produced high quality valves for industrial and commercial applications worldwide. Williams Valves are designed, manufactured and tested to meet and exceed all applicable specifications. Our goal is to furnish top quality valves at competitive prices…

W.L. Walker Co., Inc. was established in 1926 by William Lee Walker, co-inventor of the Tulsa Oil Thief™ (Tulsa Oil Thief Sampler).  This became the first oil sampling device of the company, and continues to be the leading oil thief sampler of choice today.  During the 1940s, numerous…

Since 1846, Powell Valves has produced industrial valves with superior quality. At Powell, we operate with one basic principle in mind: customer satisfaction. We strive to continually improve on all fronts. Our mission has allowed us to aid the nation during five wars, endure some of the toughest…

The brand of Lee C. Moore, A Woolslayer Company is firmly rooted in the legacy of innovation. Their recognition for outstanding, innovative design and exceptional quality began in 1907 with a salesman by the name of Lee C. Moore and has been carried into the next century by Homer J. and Joseph R. Woolslayer.…

The American Exploration & Production Council - AXPC, is a national trade association that represents 33 of the largest US independent natural gas and crude oil exploration and production companies - Leaders in finding and developing secure energy supplies throughout North America. Members are "independent"…

The American Association of Professional Landmen unites more than 14,000 landmen and land-related persons throughout 44 affiliated local associations in the United States and in Canada. AAPL serves as the voice of the landman profession to encourage fair trading terms that work in the best interest…

The Alaska Oil and Gas Association (AOGA) is a professional trade association whose mission is to foster the long-term viability of the oil and gas industry for the benefits of all Alaskans. We represent the majority of companies that are exploring, developing, producing, refining, or marketing oil…

Originally founded in the 1950s by Jack Hammer as Hammer Construction and Dozer Service, the company changed course and owners in 1988. Jack Hammer, who was struggling with serious health issues and in the midst of a lagging energy economy, decided to retire and shut down the small operation. However,…

TJ Inspection, Inc. understands and respects the importance of the landowner and cultivates these relationships while representing our clients. In the oil and gas inspection market, we manage successful pipeline, plant, and facility projects on behalf of our clients. TJ Inspection provides the industry’s…

Tall Oak Midstream was founded in early 2014 by a team of experienced executives with diverse and complementary backgrounds across the midstream and upstream sectors. With a firm belief in a set of core values and a dedication to creating a customer-driven company that operates with excellence…

Whiptail Midstream was founded in 2016 by a management team with experience throughout the midstream and upstream sectors of the energy industry.  Concurrent with our founding, Whiptail purchased a gathering system in the San Juan Basin’s Gallup oil window, southeast of Farmington, New Mexico.…