Pipeline Construction

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.

Oilfield consulting firm specializing in upstream, midstream, and downstream projects, providing tailored solutions for contracting and workforce requirements.

Independent laboratory specializing in the testing of downhole cement and drilling fluids, aiming to provide reliable and unbiased test results to the oil and gas industry.

OilTek provides cost effective real time remote monitoring of your tank battery. They offer realtime remote monitoring and control of your tank battery, SWD, well site, water transfer station and liquid management industry processes.

OilWell Guidance Trajectory Services specializes in gyro surveying technology for Oil and Gas, Mining, Geotechnical, Geothermal and Civil Engineering. They provide services for drilling operations and offer downhole survey tools.

Olivier International offers a broad range of services in the fields of Non-Destructive Examination, Asset Integrity, Engineering, Consulting, and Code Compliance services to the upstream, midstream, and downstream segments of the oil and gas industry.

Olsen North provides Geomatics and Land Surveying services across Western Canada. They focus on completing jobs with the most efficient method, practice, and technology.

Omega 365 is a global corporation providing services such as project personnel, software development, engineering and architecture, design and communication, and IT consulting. They enhance project performance by providing expert personnel, AI, and advanced technology. They offer a cohesive SaaS solution for project and asset management.

Omega Industrial Services, LLC offers a full range of construction, specialty and turnaround services. These services range from piping, mechanical, planning, and heavy mechanical services and custom fabrication. They support oilfield and land-based industries with in-house welding, fabrication, sandblasting, and painting services.

OMMA Trucking specializes in last mile and frac sand transportation, fleet management, and logistics solutions within the oil and gas industry. They focus on providing containerized systems flexibility, bottom drop systems, and logistic management.

On-Demand Rentals is a leading provider of temporary above ground fuel tanks and fueling system rentals across North America. They focus on providing fuel and fluid storage solutions with flexible short and long-term rentals.

One Force Oilfield Services caters to the needs of oilfield businesses in the Permian Basin.

ONE Oilfield Solutions redefines oilfield services by building a performance culture and a clear standard that unifies everything from field to finance. They aim to eliminate waste, raise expectations, and empower the people in the oilfield industry.

One Source Solutions, LLC provides comprehensive petroleum solutions and services. They are experts at petroleum management, environmental science and environmental services. They are a licensed petroleum contractor.

Online Cleaning Technologies delivers On-and Offline Shockwave cleaning services, especially in the Powerstation, Waste To Energy and other heavy Industry. They use controlled detonative cleaning to remove fouling and other deposits immediately to increase boiler efficiency.

On & Offshore Quality Control Specialists, LLC. is a full service inspection company representing businesses across the nation and worldwide. They offer certified welding, environmental, tank, station, utility, scheduler, safety, material, and vendor inspection services for oil and gas.

Onshore Technical provides consultancy, project management, recruitment, and training services to the gas, oil, and energy sectors, focusing on mid-stream and downstream assets.

Onward Consulting is a Houston-based consulting firm specializing in SEMS Compliance, HLO & Logistics, Inspections, Leadership Development and Training within the oil and gas industry. They provide corporate and field-level SEMS experts, inspection services, logistics experts, helicopter landing personnel, and leadership training. They focus on improving safety culture through training and consulting.

ONWARD Survey & Land Services is a professional Land Survey & Right of Way Acquisitions firm dedicated to serving the acquisitions, land surveying and staffing needs of the Oil & Gas Industry and the Alternative Renewable Energy industry for Wind & Solar & Utility Companies for all of your infrastructure projects.

Onyx Drilling Services specializes in providing professional staffing solutions for directional drillers and Measurement While Drilling (MWD) personnel. They offer services including contract Directional Drilling Services, and Logistics.

Onyx Solutions LLC is a startup company delivering integrated solutions to the Oil and Gas Industry. They specialize in business consulting and product & equipment solutions.

Oosita is an innovator, investor and partner in technology, engineering and construction solutions, primarily for the oil sands industry. They are driven by the heritage and tradition of the Fort Chipewyan Métis Nation.

OPAL Fuels is a fully integrated, nationwide leader in the production and distribution of low-carbon intensity renewable natural gas (RNG). They utilize a vertical waste-to-energy model that combines upstream production and downstream marketing and distribution of RNG. The company focuses on capturing harmful methane emissions and converting them into clean, renewable natural gas to decarbonize heavy-duty transportation and other industrial markets.

Operational Technology Solutions (OTS) is a professional services firm focused on providing solutions for utilities. They leverage their expertise to solve customer problems and help advance into the next generation of automated oilfield.

Operations Technology Specialists (OTS) is a Project Management and Technical service company that provides experienced people, projects and operations readiness for your company. They specialize in process automation and instrumentation for clients in the oil and gas sector.

OQSG provides Operator Qualification (OQ) solutions to help oil and hazardous liquid pipeline operators comply with DOT 49 CFR 192 and 195 regulations. They offer training, competency verification, and compliance documentation.

OPEX is a Western Australia based consulting company focusing on delivering high quality asset management services within the energy, resources, infrastructure and manufacturing industries.

Optimized Trenchless provides construction management services for trenchless construction projects, focusing on risk reduction and cost efficiency for pipeline owners and trenchless contractors.

Optimum Mechanical Services is a general mechanical service contractor serving industrial and commercial markets. They provide mechanical services for turnaround and capital projects.