Oil & Gas Companies in United States
7188 companies listed

Oil Center Research (OCR) was founded in 1958 from a vision of two individuals with only one product to sell, Hydrogel. This vision would lead to opportunities that were as yet, unimaginable. Over the past 60 years, OCR's product line has grown to include over 1,000 products, and its trade name Liquid-O-Ring®…

Located in beautiful sunny Phoenix Arizona, Oil & Gas Process Solutions is an experienced team of dedicated measurement professionals, specializing in providing world-class products and services to the Oil and Gas Industry.  The employees of Oil & Gas Process Solutions are committed to…

OFS International LLC, also known as OFSi, is a privately held company which provides a full complement of services required to supply OCTG from the mill to the rig. These services include inspection, threading, storage, accessories, field services, and rig returns. OFSI is in a unique position of being…

OCS Group is a leading innovator in the Oil and Gas Industry, providing Commissioning, Inspection and Training services globally. For over 20 years, OCS Group has driven the development of specialized solutions to solve our clients’ most complex, costly and challenging problems.  To best…

NVI has mastered an extensive array of technologies for nondestructive testing and mechanical integrity—but we are always looking to raise the bar.  We are constantly searching for more cost-effective ways to deploy existing technologies, and we continually evaluate new technologies as they…

Nothern States Fishing Tools was started in 1978 by three men, Alfred Brown, Lloyd Brown and Irv Nofsker out of a small shop in Watford City, ND. They eventually moved to a larger shop, which has been their location since 1985. Gary Brown and Billy Carlson continue the Northern States’…

Noble is a proven leader in the offshore drilling industry.  The Company's proactive style of management has guided it from a one rig operation in 1921 to one of the largest offshore drilling contractors in the world today. The Company's growth since the time of its spin-off from Noble Affiliates…

NMK Resources is an innovative, leading independent company that provide professional inspection and laboratory services for its customers throughout the US and around the world.  The company's first office was established in Thorofare NJ in 2001 and it remained since then as its worldwide headquarters.…

NewMarket Corporation is a far cry from its beginnings in 1887 as the Albemarle Paper Manufacturing Company. As the world has evolved, so have we. And now we’re recognized worldwide as the well-balanced holding company for some of the most respected and successful companies within the petroleum…

Westwood is a leading and award-winning national surveying and engineering services provider for commercial and residential development, wind and solar energy, electric transmission, and oil and gas pipeline projects. Westwood was established in 1972 in Minneapolis, Minnesota and has grown to serve…

About NNOGC: Navajo Nation Oil & Gas Company (NNOGC) is a federally incorporated oil and gas company wholly owned by the Navajo Nation. NNOGC has more than 100 employees with headquarters in St. Michaels, Ariz., and operations in New Mexico, Colorado and Utah. NNOGC owns and operates oil and natural…

National Pump Company manufactures a complete line of vertical lineshaft turbine, submersible, jets and booster pumps for the agricultural, municipal, residential, petroleum, and industrial-commercial markets.  Headquartered in Glendale, AZ (an ISO 9001:2015 facility) we have seven (7) build and…

Established in 1993, NCMS has become a leader in contractor monitoring for the oil and gas industry. With our partners and knowledge of the industry we continue to expand on a global scale.  NCMS understands the needs of oil & gas operators and their specific safety program requirements. Our…

NanoMech seeks out methods to extend the use and performance of Mother Earth’s material resources by discovering novel improved ways for elements and materials to be used. The company firmly believes that utilizing resources to their fullest extent is a responsible business practice both fiscally…

Kurz Instruments has built a reputation for designing and manufacturing the finest Thermal Mass Flow Transmitters for industrial gas flow measurement. Our engineers, product development specialists and management have developed flow metering products capable of operating in the harshest of environments.…

Muse, Stancil & Co. (Muse) specializes in the technical and economic assessment of energy-related issues.  Formed in 1984, the firm is headquartered in Dallas, Texas, with offices located in Houston, Texas; London, England; and Singapore.  Our consultants are primarily chemical engineers…

The Milwaukee Valve Company was established in Wisconsin in 1901, starting out as a small manufacturer of plumbing and heating valves.  Herschel Seder purchased the business in 1959, with his late partner, Max Koenigsberg.  Over the years, the company expanded its offering to what now consists…

The leader in the industrial tank cleaning industry, Midwestern Services, Inc. is recognized for its outstanding performance, safety record and over 30 years of experience cleaning large above ground storage tanks.  Since 1973, Midwestern Services has earned the reputation of being “The Tank…

Since 1994, MidContinental Chemical (MCC) has built a reputation for delivering superior results. We view our company not just as a provider of commodity chemicals, but rather a problem solver. As we have grown, we have become recognized as an industry leader. Our exceptional products, innovative programs…

For over 25 years, MICROPACK has been actively working with the oil & gas industry and are today recognised as specialists in Fire & Gas hazard detection technologies. In the early nineteen eighties MICROPACK was involved in offshore process control and safety systems. This encompassed development,…