Company lists · Data refreshed September 2026

Top 25 Marine geotechnical firms based in India

RevenueBase identified 429 marine geotechnical firms headquartered in India as of September 2026 and tracks 10,714 professional contacts across them, including 1,984 with verified work emails. Mumbai is the largest hub.

This list covers marine geotechnical firms headquartered in India, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
429Companies
10,714Contacts tracked
1,984Verified emails
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The 25 largest marine geotechnical firms based in India

Ranked by team size
Top 25 of 429 marine geotechnical firms based in India, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to marine geotechnical firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMumbai, IndiaHQ checked Sep 20, 20261,001-5,0002,620 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceChennai, IndiaHQ checked Sep 20, 2026501-1,000458 contacts →

Indirect evidence

“Overview In 2012, L&T acquired a huge fleet of sophisticated foundation equipment and L&T GeoStructure - a unique legal business entity, was formed to focus, capture and build…”

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceMira Bhayander, IndiaHQ checked Sep 20, 2026201-500403 contacts →

Partial evidence

“COMACOE - Coastal Marine Construction & Engineering Ltd is an experienced marine services contractor with operations in multiple geographies offering a range of service over the…”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceHyderabad, IndiaHQ checked Sep 20, 2026201-500206 contacts →

Indirect evidence

“Dharti Dredging and Infrastructure Ltd, is an ISO accredited leading Indian private dredging company.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceMumbai, IndiaHQ checked Sep 20, 202651-200193 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
6Strong evidenceBangalore, IndiaHQ checked Sep 20, 202651-200188 contacts →

Strong evidence

“Sarathy Geotech is a leading global player catering to diverse Geotechnical Engineering needs across onshore, nearshore, marine, and offshore sectors.”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceNew Delhi, IndiaHQ checked Sep 20, 2026201-500163 contacts →

Indirect evidence

“Spar Geo Infra Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceNavi Mumbai, IndiaHQ checked Sep 20, 2026201-500111 contacts →

Indirect evidence

“Established in 2013, with the principle aim of providing Geo-technical services to the burgeoning construction and infrastructure industry of India.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceVadodara, IndiaHQ checked Sep 20, 2026501-1,00088 contacts →

Indirect evidence

“Geo Designs & Research Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
10Partial evidenceThane, IndiaHQ checked Sep 20, 202651-20084 contacts →

Partial evidence

“21 Knots is a design, engineering and consulting firm providing services to the global maritime and oil & gas industry.”

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidenceNoida, IndiaHQ checked Sep 20, 202651-20078 contacts →

Partial evidence

“Cengrs Geotechnica Private Limited is a premier organization specializing in providing expert Geo-technical engineering services across varied sectors.”

Source: RevenueBase Database · checked Sep 20, 2026
12Partial evidenceNavi Mumbai, IndiaHQ checked Sep 20, 2026501-1,00075 contacts →

Partial evidence

“UDYA SHIPPING is the fastest-growing maritime resource management company for the whole maritime sector.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceNavi Mumai, IndiaHQ checked Sep 20, 202651-20061 contacts →

Indirect evidence

“To invest in a latest technology in order to fulfill efficiency and productivity to the fullest and provide the best quality survey services to the clients.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidencePune, IndiaHQ checked Sep 20, 2026201-50055 contacts →

Partial evidence

“Soiltech in involved in Geotechnical Consultancy, Exploration for minerals by Core drilling, Geophysical Consultancy and Laboratory testing for Construction materials”

Source: RevenueBase Database · checked Sep 20, 2026
15Partial evidenceErnakulam, IndiaHQ checked Sep 20, 202611-5049 contacts →

Partial evidence

“S&O Maritime Services is an engineering, project management and consultancy company in the field of marine and oil & gas industry.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceThane, IndiaHQ checked Sep 20, 202651-20049 contacts →

Indirect evidence

“Renuka Consultants is a multi-disciplinary organization providing consulting and infrastructural evaluation services to the build industry.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceAluva, IndiaHQ checked Sep 20, 202611-5044 contacts →

Indirect evidence

“Ark2Tech was established in 2016 in Kerala, India.”

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceMumbai, IndiaHQ checked Sep 20, 202651-20042 contacts →

Partial evidence

“BEST Geotechnics Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceGurugram Sub-district, IndiaHQ checked Sep 20, 202651-20040 contacts →

Indirect evidence

“ZCC has a multidisciplinary team of highly qualified and experienced experts.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceNavi Mumbai, IndiaHQ checked Sep 20, 202651-20036 contacts →

Indirect evidence

“Dynasoure Concrete Treatment Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceNagpur, IndiaHQ checked Sep 20, 202651-20032 contacts →

Indirect evidence

“Geotech Services Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceIndiaHQ checked Sep 20, 202611-5031 contacts →

Indirect evidence

“Consstruct is a leading provider of offshore civil engineering teams.”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceKochi, IndiaHQ checked Sep 20, 202651-20029 contacts →

Indirect evidence

“Founded in 2004, by Dr Angus Maxwell, Maxwell GeoSystems has worldwide coverage with offices in key market locations enabling optimum levels of client support, including Hong…”

Source: RevenueBase Database · checked Sep 20, 2026
24Partial evidenceKochi, IndiaHQ checked Sep 20, 202611-5029 contacts →

Partial evidence

Marine Engineering solutions based out of Kochi, Kerala, India Shipbuilding - Small Vessels, Equipments for Water Resource Restoration Dredge Manufacturing - Cutter Suction…”

Source: RevenueBase Database · checked Sep 20, 2026
25Partial evidenceVisakhapatnam, IndiaHQ checked Sep 20, 20261-1029 contacts →

Partial evidence

“SARITHA INFRA & GEOSTRUCTURES is a construction company specialised in Foundations, Substructure & Superstructure and Marine Structures for Heavy Industrial & Infrastructure…”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 429 marine geotechnical firms based in India

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Marine geotechnical firms based in India at a glance

As of Sep 20, 2026
18.5%Verified-email coverage
25.0Average contacts per company
11-50Median size (employees)
17.0%Largest-city concentration · Mumbai
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
120
11-50
169
51-200
96
201-500
34
501-1,000
6
1,001-5,000
4

Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 429 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among marine geotechnical firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in India whose own description of what they do matches “marine geotechnical firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names marine geotechnical firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among marine geotechnical firms, and records with no verified work email. Companies headquartered outside India are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 1,984 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Marine geotechnical firms by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names marine geotechnical firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many marine geotechnical firms are there based in India?

RevenueBase identified 429 marine geotechnical firms headquartered in India as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

ITD Cementation India LTD, headquartered in Powai Mumbai, tops this list with the largest team on record.

Which city has the most marine geotechnical firms?

Mumbai leads with 73 headquartered companies, followed by Navi Mumbai (31) and Chennai (29).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,984 verified decision-maker contacts tracked across these 429 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.