2H Offshore Inc.
Subsea / Offshore / Marine2H Offshore Inc. provides advanced structural and systems engineering services for offshore oil and gas and renewable energy structures, specializing in subsea systems, drilling risers, integrity management, minimum facility platforms, and floating wind applications.
A2D Technologies
Oilfield ServicesPetroleum well-logging services.
3 employees · Est. revenue $10m-$25m
ABS Group of Companies
Inspection, Safety & CorrosionSafety, risk and certification services across business, industry and government.
Accumulators, Inc.
Equipment & ManufacturingAccumulators, Inc. designs and manufactures hydraulic accumulators, including piston, bladder, and diaphragm models, for oil and gas, aerospace, defense, and other industries. The company is ISO 9001 and ASME certified, with products rated up to 10,000 psi.
ACS Separations & Mass-Transfer Products
Equipment & ManufacturingHigh-performance engineered separations technology.
Advanced Valve Technology
Equipment & ManufacturingReinforced composite technology for ball, butterfly and check valves.
AES American Energy Services Inc.
Equipment & ManufacturingWide product line of oilfield valves.
Agar Corporation
Equipment & ManufacturingAgar Corporation designs and manufactures process measurement and control systems for oil production and processing applications, including heavy oil well testing, wastewater treatment, tank dewatering, and gas-liquid foam control, serving clients across North America, South America, Europe, Africa, Asia, the Middle East, and Australia.
AIMS International, Inc.
Inspection, Safety & CorrosionAIMS International, Inc. supplies engineered fiberglass structural systems, grating, handrails, stair systems, and platform dock fendering products to the offshore oil and gas industry, and is a leading provider of vortex-induced vibration suppression solutions.
Alexander/Ryan Marine & Safety Co.
Subsea / Offshore / MarineAlexander/Ryan Marine & Safety Co. supplies maritime safety equipment and services, including lifeboats, inflatable liferafts, davits, winches, and personal protection products, and provides offshore field service technicians and survival craft servicing from facilities in Houston and New Orleans.
Alliance Engineering
Engineering & ConsultingEngineering to develop and transport oil and gas resources safely and efficiently.
Alliance Marine Services
Subsea / Offshore / MarineAlliance Marine Services provides overhauling and maintenance services for marine engines and vessels, including routine maintenance, repairs, and complete engine overhauls to support operational performance and reliability in the maritime industry.
Alloy Screen Works
Equipment & ManufacturingAlloy Screen Works manufactures premium filtration screens and related products for the oil and gas, water well, environmental, and industrial markets, operating from a 91,000-square-foot facility in Houston, Texas, with API Q1 certification.
Allseas
Subsea / Offshore / MarineAllseas is a global offshore contractor specializing in pipeline installation, heavy lift operations, and subsea construction, with a proprietary fleet of specialized vessels. The company also develops technology for deep-ocean polymetallic nodule collection and river plastic removal.
Alpha Sim Technology
Software & DataAlpha Sim Technology, in business since 1991, provides consulting services supporting the transition from fossil fuels to renewable energy, while also serving the existing energy industry in addressing global warming and carbon emissions challenges.
Ambox Ltd.
Materials & SupplyAmbox Ltd. is a sheet metal and light plate fabricator offering stamping, laser cutting, press brake forming, welding, and machining services, with additional capabilities in tool and die work.
AMEC Paragon
Engineering & ConsultingAMEC Paragon provides engineering, project, and technical consulting services to the energy and industrial sectors, with expertise spanning oil and gas, nuclear, renewable energy, mining, and infrastructure markets.
Amercable Systems
Equipment & ManufacturingAmercable Systems manufactures ISO 9001:2015-certified jacketed electrical power, control, and instrumentation cables for oil and gas, mining, industrial, and data center applications, including offshore, land-based, and underground environments.
American Alloy Steel
Materials & SupplyAmerican Alloy Steel supplies carbon and alloy steel plate, round bar, flat bar, and precision flame-cut shapes to industries including petrochemical refining, power generation, pressure vessel manufacturing, and marine and offshore construction, with value-added fabrication services and 24/7 rush shipping capabilities.
American Block MFG
Equipment & ManufacturingAmerican Block designs and manufactures oilfield and marine equipment, including sheaves, drilling blocks, rotary tables, swivels, mud pumps, and pressure gauges. The Houston-based company has also provided drilling equipment repair services since 1979.
American Underwater Services Inc.
Subsea / Offshore / MarineAmerican Underwater Services Inc. provides commercial diving, underwater construction, marine salvage, and dredging services for inland and coastal environments. The company also performs pipeline construction, horizontal directional drilling, pond and tailings pond cleaning, and zebra mussel control.
AmeriMex Motor & Controls, Inc.
Equipment & ManufacturingAmeriMex Motor & Controls specializes in AC and DC motors and controls for industries including drilling, dredging, petrochemical, cement, plastic, and steel. The company also stocks replacement parts and accessories and provides repair, rebuilding, and load testing services.
Amerjin Co., LLC
Equipment & ManufacturingAmerjin Co., LLC is a Houston-based supplier and exporter of Southeast Asian coffee beans and palm oil, sourcing Robusta and Arabica varieties from Vietnam and Indonesia and palm oil from Malaysia and Indonesia, with local delivery and freight services available.
AMRI Inc.
Equipment & ManufacturingButterfly valves, actuators and accessories for chemical, petrochemical and other markets.
Anadarko Petroleum
Operators (E&P)Anadarko Petroleum is one of the world's largest independent oil and natural gas exploration and production companies, with operations spanning onshore U.S. basins, the Gulf of Mexico, and deepwater basins internationally.
Ansul / Tyco Fire & Security
Inspection, Safety & CorrosionFire detection/suppression systems and extinguishing agents.
Antares Offshore LLC
Engineering & ConsultingAntares Offshore LLC is an independently owned engineering and consulting firm specializing in offshore marine and subsea engineering, design, project management, and construction management, serving major and independent oil and gas operators and contractors from offices in Houston, Jakarta, and Kochi.
Anthelion Systems, Inc.
Software & DataHardware and software design: embedded systems, instrumentation and consulting.
Apache Corporation
Operators (E&P)Apache Corporation is a subsidiary of APA Corporation that explores for and produces crude oil, natural gas, and natural gas liquids.
Argus Subsea
Subsea / Offshore / MarineArgus Subsea designs and manufactures subsea Christmas trees for deepwater applications, with equipment rated for water depths ranging from 500 to 5,000 feet.
Astro Technology Inc.
Equipment & ManufacturingAdvanced instrumentation and innovative monitoring methods.
Atlantia Offshore Limited
Subsea / Offshore / MarineTurn-key fixed offshore minimal production platforms.
Atlas Instruments & Supply Co., Inc.
Equipment & ManufacturingManufacturer of weight indicators and field instrumentation.
ATP Oil and Gas Corporation
Operators (E&P)Develops already-discovered offshore petroleum reserves.
Atwood Oceanics Inc.
Drilling ContractorsAtwood Oceanics Inc. is a global offshore drilling contractor that provides drilling and completion services for exploratory and developmental oil and gas wells. The company operates 13 mobile offshore drilling units and has three ultra-deepwater drillships under construction.
Azonix Corporation
Equipment & ManufacturingDiversified manufacturer of highly engineered industrial products.
Azura Energy Systems
Equipment & ManufacturingWellheads, trees and valves for land and subsea markets.
Baker Hughes Inc.
Oilfield ServicesBaker Hughes Inc. provides equipment and services across the energy and industrial value chain, including oilfield services, turbomachinery, digital solutions, and LNG technology, operating in over 120 countries through its oilfield services and industrial energy technology segments.
Belsim
Software & DataBelsim provides data validation and reconciliation software for oil and gas and process industries, helping operators improve the accuracy of production data, monitor plant efficiency, and calculate key performance indicators using its VALI software suite.
Bico Drilling Tools Inc.
Equipment & ManufacturingBico Drilling Tools Inc. designs, manufactures, and services downhole drilling motors, drilling jars, shock subs, and NMDC equipment for the oilfield, mining, and horizontal directional drilling industries, with specializations including directional drilling, MWD, and thru-tubing applications.
Bishop Lifting Products, Inc.
Equipment & ManufacturingBishop Lifting Products, Inc. supplies wire rope, slings, synthetic web slings, roundslings, skip pans, and related lifting hardware to industrial customers. The company also provides material handling and heavy hauling equipment and services.
Bisso Marine
Subsea / Offshore / MarineBisso Marine is a subsea and offshore marine construction contractor offering pipeline installation and burial, heavy lift, salvage, decommissioning, and diving services. The company operates a fleet of derrick barges, pipelay barges, and diving support vessels for the marine and energy industries.
BJ Process & Pipeline Services
Oilfield ServicesPipeline flooding, hydrotesting, cleaning, drying, commissioning and pigging.
BJ Services
Oilfield ServicesBJ Services provides hydraulic fracturing and pressure pumping solutions to upstream oil and gas operators across North American basins, offering cementing services, proprietary friction reducer chemistry, and digital operating systems designed to support completion efficiency and emissions reduction.
Blue Dolphin Energy Company
Operators (E&P)Blue Dolphin Energy Company refines crude oil into petroleum products including diesel fuel, naphtha, and distillates, and provides petroleum storage, terminaling, and pipeline transportation services. The company also holds oil and gas leasehold interests in the U.S. Gulf of Mexico.
Boots & Coots International Well Control
Oilfield ServicesGlobal emergency response: well-control prevention, response and restoration.
33 employees · Est. revenue $100m-$250m
BPZ Energy
Operators (E&P)BPZ Energy is an oil and gas exploration and production company operating approximately 1.9 million net acres across four properties in northwest Peru, including offshore and onshore blocks, with an additional non-operating net profits interest in a producing property in southwest Ecuador.
Brown Corrosion Services, Inc.
Inspection, Safety & CorrosionBrown Corrosion Services, Inc. provides corrosion and erosion consulting, inspection, and control services for the oil and gas industry, covering cathodic protection, coatings, inhibition, material selection, internal corrosion monitoring, and sand monitoring.