The 12 closest competitors and alternatives to TGS — ranked by similarity to what TGS actually does, not by market-cap band.
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TGS ASA is a Norwegian energy-data and geoscience company that provides subsurface, seismic, well, and interpretation data and related services. It primarily serves oil and gas exploration and production companies, as well as other energy-sector clients, through multi-client datasets and geophysical solutions.
TGS is a company headquartered in Norway. Xcout tracks 15 named people at TGS, including Kristian Johansen (Chief Executive Officer). Xcout recorded 460 job postings from TGS in the last 90 days, naming tools such as ChatGPT, Jira, Adobe Experience.
9 more named people on record for TGS, with roles, board committees and tenure — see the full roster →
Xcout recorded 460 job postings from TGS in the last 90 days, from a hiring record Xcout has kept since June 2026.
The weekly hiring trend, the roles and locations behind it and all 17 tools — see TGS's hiring signals →
2 corporate events on record, with sources — see the full timeline →
Ranked by semantic similarity — how close each company is to TGS by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Oil & Gas
Electromagnetic Geoservices ASA (EMGS) provides marine electromagnetic (EM) technology and survey services to support oil and gas companies in offshore hydrocarbon exploration and appraisal. The company offers a comprehensive workflow that includes survey design, data acquisition, processing, and interpretation to assist with subsurface decision-making.
Geophysical Services
Total Seismic Partners provides technical and operational seismic services, including survey design, project delivery, field services, data processing, and subsurface data interpretation. The company serves various subsurface industry sectors such as oil and gas, renewables, mining, civil engineering, and academia.
Oil & Gas Services
Alphageo (India) Limited is an onshore integrated seismic service provider that offers seismic data acquisition, processing, and interpretation services. The company serves the oil exploration and production sector by providing geophysical services, topographic surveys, and data digitization.
Close match by what they do
SAExploration Holdings, Inc. was a U.S.-based geophysical services company that acquired, processed, and interpreted seismic data for oil and gas exploration and production companies. It provided land, marine, and transition-zone seismic survey services internationally, serving energy companies and other resource-sector clients.
Oil & Gas Services
Asian Energy Services Limited is an Indian oilfield-services company focused on seismic data acquisition and other geophysical services used in oil and gas exploration. It serves exploration and production companies and government-linked energy organizations undertaking subsurface surveys.
Geophysical Services
Global Geophysical Services, LLC provides land, transition zone, and shallow marine seismic acquisition and data processing services for the energy industry. The company utilizes advanced technologies such as Reservoir Grade 3D (RG3D) and NuSeis nodal systems to deliver high-density seismic data worldwide.
Oil & Gas
Vår Energi is an oil and gas exploration and production company operating on the Norwegian Continental Shelf. It serves as a supplier of energy to Europe by producing crude oil and natural gas from a diversified portfolio of fields and licenses.
Close match by what they do
ION Geophysical Corp. is a technology-focused company headquartered in Houston, Texas, United States. The company provides geo-data, products, and AI-powered digital platforms to the global offshore energy and maritime markets.
Close match by what they do
Geokinetics Inc. is an oil and gas services company headquartered in Houston, Texas, providing seismic data acquisition and processing services to the energy industry.
Oil & Gas Services
Odfjell Drilling operates a fleet of state-of-the-art semi-submersible drilling rigs to provide offshore drilling and related services for the oil and gas industry. The company serves energy clients globally, focusing on operations in harsh environments with skilled crews and an emphasis on safety and environmental standards.
Oil & Gas
Petrolia is a Norwegian oil and gas company involved in petroleum exploration and oilfield services, including drilling-related activities. It serves exploration and production companies operating on the Norwegian Continental Shelf and elsewhere.
Oil and Gas
Pandion Energy is an Oslo-based full-cycle oil and gas company with seven years of operation. The company's business model includes participating in the discovery and appraisal of oil and gas resources.
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