Pipeline Construction

Northern Crescent Inc. is a multi-discipline engineering firm established in 2010 that provides mechanical and metallurgical expertise to oil and gas facilities and pipeline clients.

Northern Inspection Services, LLC (NIS) specializes in Cathodic Protection, AC Mitigation, and Inspection. They provide these quality services to the Oil & Gas industry, public utilities, and others.

Northern Materials Engineering has been assisting energy and resource producers with innovative solutions to their integrity concerns since 1991. From on-site inspections to specialized engineering activities, we have established ourselves as the industry standard for expert advice and quality services. We work closely with our clients to provide cost effective solutions and improve the safety of their operation.

Northern Panhandle Pipe & Supply is a distributor of quality pipes, valves, and fittings, focusing on providing quality products and services to streamline operations in various sectors.

Northern Source Rentals (NSR) is a privately owned and operated equipment rental company that services industrial contractors, producers, commercial, agricultural & homeowners.

Northland Industrial Specialties LLC (NIS) is a custom designer, fabricator, and manufacturer of produced water handling and disposal systems for the upstream and midstream sectors of the oil & gas industry. They offer custom-made modular facilities.

North Plains Consulting Services, Inc. provides experienced professionals in the oil and gas sector, offering services such as wellsite supervision, drilling, completions, workovers, fracing, coil tubing, well permitting, well servicing, engineering services, and production optimization.

For more than 60 years our company has been depended on for quality industrial and commercial boiler service. Sales, service, installs, parts, rentals, and more.

Northstar Downhole Specialists provides downhole solutions and products for the oil and gas industry, helping clients prove reserves and maximize output. They offer downhole products and services for the oil and gas industry.

Northwell Rentals (Lloydminster) Inc. offers 24-hour service for oilfield equipment rentals. They provide a wide range of equipment in various sizes, types, and models to complete jobs in Heavy Oil and Thermal (SAGD) operations.

Northwest Industrial Engine & Compressor Co. specializes in repair and maintenance of natural gas engines, compressors, pumps, turbines, and fin fans. They are a maintenance contractor in the gas compression industry.

Northwest Metal Fab & Pipe is a Machinery company providing metal fabrication, pipeline construction and maintenance, directional drilling, and rock sawing services since 1969. They also specialize in areas like welding, pipeline safety, cathodic protection, and inspections.

Northwest Petroleum Service, Inc. is a locally owned and operated petroleum sales, service, and installation business. They offer complete system installations and 24-hour service for convenience stores, service stations, airports, truck stops, municipalities, and industrial applications.

Northern Oil Solutions is a privately owned service company providing oil/gas Wellhead Service to Alaska. They balance experience with fair pricing and honest work.

NOTAZ is an International engineering and consulting firm that uses its expertise in order to help its clients meet their needs in the best possible way. They appear to focus on engineering and consulting for industrial projects.

Top O' Texas Oilfield Services, LTD specializes in vacuum trucks, site preparation, roustabout services, fluid storage, fluid disposal, equipment transportation, disposal wells, frac tank rentals, fluid transportation and drill site rentals.

Novetus is an engineering company that focuses on capital project engineering & management, process engineering, project controls, and process safety management.

N-SPEC Pipeline Services specializes in providing leading pipeline integrity and cleaning services, emphasizing safety and advanced technology since 1995.

N-TACT is a premier provider of high quality, non-destructive testing services based in East Tennessee. They offer consulting services to visual inspections.

NTE Solutions is focused on providing development, engineering, commercial services and strategic solutions that enhance the value of new projects and/or existing assets. They assist clients in building and operating the infrastructure that runs our world - from water to natural gas to power generation.

NTG Auburn provides customized drilling, completion, facilities and plug & abandonment project management for both upstream and energy transition projects; we provide customized contract operations for upstream properties; and commercial and technical advisory at our clients’ request.

Nunez Transport prides itself on delivering efficient and reliable transportation solutions tailored to the unique demands of the Permian Basin. Their expertise lies in providing safe and sustainable logistics for the oil and gas industry, ensuring that every delivery is handled with precision and care. They utilize cutting-edge technologies and industry best practices to meet the evolving needs of their clients.

NuWave group provides services for the protection of material assets in the Oil & Gas, Infrastructure, Defense, Aerospace, and Power Generation Markets. NuWave provides all aspects of surface preparation and protective coating applications, passive fireproofing systems, insulation, and access systems.

N&V provides multidisciplinary engineering and consulting services to the oil, petrochemical, and power generation industries. They offer value-adding solutions, technologies, and services to drive the energy industry forward, with expertise in EPC Lump Sum projects.

NVMS is a company that provides solutions, advice, and technologies in asset health, precision testing, digital connectivity, and comprehensive support services. They specialize in delivering cutting-edge solutions for asset health, precision testing, digital connectivity, and comprehensive support services.

OAKRIDGE specializes in soil and groundwater assessment, remediation and management of environmental risks and liabilities of contaminated sites in the energy, and other sectors.

Occlusion Solutions offers a full Cradle to Grave process on End of Life oil and gas wells. They create innovative technologies for efficient well-plugging, applying next-generation cementation, tubular remediation, and credible methane monitoring.

Global Marine Contractor engaged in the installation and de-commissioning of floating production assets globally mitigating risk, reducing budget and schedule durations optimizing performance for our clients’ projects, providing onshore and offshore solutions to the oil and gas drilling, production, storage facilities, and pipelines industries.

Ocean Edge Services provides robust, versatile, and customized solutions for the oil and gas industry, offering engineering & management, assembly & testing, service & support, and rental equipment.

Ocean Flow International provides high-value engineering and project management services to the offshore energy industry worldwide. They offer expertise in conceptual design, project management, geotechnical services, drafting, and various subsea engineering aspects.

Freelance engineering consultancy specializing in geotechnical, survey, subsea, and geoscience services. Oceanic Energy assists clients in all project phases including mobilization, site investigations, project close out, and reporting. Focused on building relationships and projecting client image while asserting contract requirements. Familiar with contract law and necessary project documentation. Dedicated to safe working practices and reducing offshore hazards. Experienced in practical marine operations including environmental considerations, risk assessment, and simultaneous vessel operations.

OE Advisors is a partnership of senior leaders with experience across refining, petrochemical, pipeline, and chemical operations. They create value for clients by identifying and bridging gaps caused by issues or opportunities.

OEC Petroleum Systems specializes in the sales, installation, and service of fuel dispensing systems and equipment. They cater to convenience stores, truck stops, municipalities, and commercial industry. They are a full line distributor for Wayne fuel dispensers and have service technicians available 24/7/365.

Offshore Inspection Group (OIG) offers a wide range of inspections and surveys for oilfield equipment and vessels. OIG provides client oversight services with experienced personnel worldwide for offshore and onshore, inspection, surveying, marine, and commissioning projects.

Offshore Liftboats LLC provides a stable platform using self-propelled self-elevating deck barges (liftboats) for clients performing jobs in the Gulf of Mexico. They have over 30 years of experience.

Offshore Rig Movers International is an Association of Independent Marine Contractors formed to provide highly experienced rig movers and marine consultants to the worldwide offshore industry. They specialize in providing services for rig positioning, jacking, and heavy lift operations.

Offshore Survey Specialists provides survey consulting services to survey and construction clients in the offshore industry.

Offshore Technical Compliance LLC (OTC) is a registered professional engineering firm focused on providing a complete spectrum of industry leading offshore oil and gas compliance services. They provide regulatory compliance services and digital technology solutions to the global oil and gas industry.

Offsite Management Systems LLC (OMS) is a trusted provider of consulting and project management services for downstream refineries and related industries. They specialize in providing advanced process control and automation solutions for the refining sector.

Oil & Gas Solutions (OGS) is an engineering company delivering solutions for Flow Assurance and Integrity. They focus on discovering the root cause of problems and delivering customized solutions with their Corrosion and Process Engineers.

OGAB Engineering Inc. is an APEGA licensed engineering firm in Alberta, Canada, recognized as a world-class technology and innovation leader in the petroleum and mining industries. The company provides practical solutions focusing on excellence, project-specific turnkey services, and value creation for long-term growth. It offers services including mining and petroleum technology solutions, integrated reservoir management, industrial automation, remote control, big data analytics, asset evaluation and management, field development planning, and resource characterization.

OGC Consulting offers consulting services tailored to oil and gas joint venture operations, for both operators and non-operators.

OGC Engineering is an Australian owned and operated company that provides engineering and project management services to the Oil, Gas and petroChemical industries. They cover many aspects of project process from Concept design through to Commissioning. They are flexible enough to partner with constructors allowing them to execute EPC or EPCM projects.

OGMIS provides procurement services for projects in the Middle East, Europe, and Asia, focusing on engineering and supplying products for various industries.

OGS Global provides project enablement and asset management support and advisory services to the resources and energy industry. They offer specialist services in integrated commissioning, asset protection, and operational support across all aspects of asset lifecycle. Their expertise lies in oil and gas, mining, minerals, utilities, and infrastructure projects. They focus on maximizing start-up and operational efficiency, providing ongoing services and solutions to optimize performance and enhance integrity, creating value throughout the asset lifecycle.

Ohio Valley Acquisition is a full-service land acquisition company specializing in infrastructure projects throughout North America. They focus on project takeover of all sizes, ensuring the turnaround of projects that may have faced budget overruns and construction delays due to prior land groups' failures. OVA is committed to meeting the needs of Fortune 500 companies by delivering projects on time while maintaining strong relationships with landowners throughout the construction phase.

Rock Oil Consulting is a pipeline integrity solutions company providing engineering, consultancy & field services throughout the entire lifetime of pipeline systems, onshore & offshore. They offer end-to-end solutions for Inspection, Repair, and Maintenance (IRM) for offshore and subsea assets.

Oil City Land Service LLC is a company of independent professional landmen established in 2008. Their strength is field landwork, including complicated title, due diligence, curative work, leasing and negotiation, and all required reports thereof. They are not a brokerage.

Oilfield Environmental & Compliance, Inc. (OEC) is a small, woman owned enterprise providing field and laboratory services to the environmental, regulatory,and petroleum industries since 1997. They offer analytical laboratory support for environmental investigation and monitoring, focused service for petroleum and production, and field services including sampling, field testing, monitoring, and subsurface investigations.

Oilfield Instrumentation (OI) is a provider of real-time drilling instrumentation and harsh environment labs for the oil and gas industry.