Company lists · Data refreshed October 2026
Top 25 Tunnel maintenance contractors worldwide
RevenueBase identified 352 company matches for tunnel maintenance contractors worldwide as of October 2026 and tracks 11,733 professional contacts across them, including 3,128 with verified work emails. The United States is the largest market and Ankara the largest hub.
This list covers company matches for tunnel maintenance contractors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 2026. Country and city lists for tunnel maintenance contractors follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 25 largest tunnel maintenance contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 713 contacts → | ||||
Exact match “vimental has over 40 years experience in the construction, maintenance and upgrading of roads, motorways, bridges, viaducts, service areas and airports.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 709 contacts → | ||||
Exact match “Founded in 1894, Ghella is a major Italian global force recognized for its excellence in the construction of large-scale public infrastructure and expertise in the use of Tunnel…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 510 contacts → | ||||
Exact match “Joseph Gallagher is one of the UK's leading Civil Engineering & Tunnelling sub-contractors that has significantly grown over the past 45 years into an international business.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 399 contacts → | ||||
Exact match “En GEOVITA somos líderes en construcción y desarrollo subterráneo, con un enfoque al futuro e innovación, que surge en el año 1989 especializándose en operaciones para la minería…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 340 contacts → | ||||
Exact match “SAK Construction is one of the largest privately held pipeline rehabilitation and tunneling contractors in the U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 307 contacts → | ||||
Exact match “Delve Underground is a leader in heavy civil engineering, serving the transportation, water, wastewater, and energy industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 291 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 285 contacts → | ||||
Exact match “Tunnelcraft Ltd is currently working for the BAM Nuttall.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 272 contacts → | ||||
Exact match “Founded in 2009, Segmental Infrastructure Development Limited (SIDL) is a global multidisciplinary consulting and project management firm delivering integrated solutions across…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 254 contacts → | ||||
Exact match “General contracting company specialising in the construction of tunnels and microtunnels, BESSAC has been building underground structures for 50 years to serve a variety of…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 223 contacts → | ||||
Exact match “Drill Tech Drilling & Shoring, Inc.(DTDS) is a full service Engineering Contractor founded in 1994 Specializing in tunneling, shafts, deep foundation, ground improvement, and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 211 contacts → | ||||
Exact match “PULLMAN, a licensee of STRUCTURAL TECHNOLOGIES’ products and technical support services, integrates technology-driven solutions into its industry-leading repair and maintenance…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 207 contacts → | ||||
Exact match “Amberg Engineering is a specialised engineering firm for the design and project management of underground works.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 189 contacts → | ||||
Exact match “BEMO Tunnelling is specialised in the construction and refurbishment of civil engineering structures of all kinds.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 179 contacts → | ||||
Exact match “TG Tunnelling is a tunnelling company based out of 2 Athenaeum Rd, London N20 9AE, United Kingdom.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 179 contacts → | ||||
Exact match “Özgün İnşaat, leading company of KRK Holding, was established in 1993.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 167 contacts → | ||||
Exact match “GEODATA is a multi-disciplinary company with an Italian origin and a global footprint, specialized in providing high-quality consultancy services and solutions for the development…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 133 contacts → | ||||
Exact match “Experts in building construction, micro tunneling, road construction, and operation & maintenance services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 118 contacts → | ||||
Exact match “A E Yates Ltd is a Bolton based £100m turnover Civil Engineering & Tunnelling Contractor, established in 1870, with a long standing reputation for successfully delivering works of…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 118 contacts → | ||||
Exact match “Delivering Solutions with Integrity, Reliability and Excellence.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 94 contacts → | ||||
Exact match “We are a Turkish Construction Company that specialises in Tunnelling, Mining and other associated underground works.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 87 contacts → | ||||
Exact match “With over 15 years of experience in mechanized tunneling and heavy machinery & equipment, Trakkom Engineering offers sustainable global solutions for the partners all over the…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 86 contacts → | ||||
Exact match “Kenny Constructions is one of Australia’s most trusted subcontractors for complex civil infrastructure.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 84 contacts → | ||||
Exact match “Freyssinet is a leading specialist contractor for the repair, refurbishment and protection of structures, from bridges through to highways, rail, marine and nuclear sectors of the…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 83 contacts → | ||||
Exact match “J.W.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “tunnel maintenance contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 352 tunnel maintenance contractors worldwide
See the full list, filter by size, metro and specialty, and access 3,128 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tunnel maintenance contractors worldwide at a glance
As of Oct 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for tunnel maintenance contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tunnel maintenance contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 3,128 professional contacts with verified work emails across the full matched dataset. 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 October 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Tunnel maintenance contractors by location
2 lists · largest firstEvery Tunnel maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tunnel maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tunnel maintenance contractors are there worldwide?
RevenueBase identified 352 company matches for tunnel maintenance contractors worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Amplia Infrastructures tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most tunnel maintenance contractors?
The United States leads with 39 companies, followed by Italy (29). Every tunnel maintenance contractors list by country and city is linked on this page.
Which city has the most tunnel maintenance contractors?
Ankara leads with 4 company records, followed by Madrid (4) and Rome (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,128 professional contacts with verified work emails tracked across these 352 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 352 tunnel maintenance contractors worldwide. Start with a free account, no credit card.
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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 SmartSearch, 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.
More company lists
Company intelligence · public preview
Top 25 tunnel maintenance contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 352 matching company records for tunnel maintenance contractors worldwide, with 11,733 tracked contacts and 3,128 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tunnel maintenance contractors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Amplia Infrastructuresampliaspa.itHQ: Rome, ItalyReported employees: 1,001-5,000 | Rome, Italy | 1,001-5,000 | Exact match | 713 contacts → |
“vimental has over 40 years experience in the construction, maintenance and upgrading of roads, motorways, bridges, viaducts, service areas and airports.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ghellaghella.com HQ: Rome, ItalyReported employees: 5,001-10,000 | Rome, Italy | 5,001-10,000 | Exact match | 709 contacts → |
“Founded in 1894, Ghella is a major Italian global force recognized for its excellence in the construction of large-scale public infrastructure and expertise in the use of Tunnel…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Joseph Gallagher Limitedjosephgallagher.co.uk HQ: Stanford-le-hope, United KingdomReported employees: 501-1,000 | Stanford-le-hope, United Kingdom | 501-1,000 | Exact match | 510 contacts → |
“Joseph Gallagher is one of the UK's leading Civil Engineering & Tunnelling sub-contractors that has significantly grown over the past 45 years into an international business.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Geovita Salfacorpgeovita.clHQ: Santiago, ChileReported employees: 1,001-5,000 | Santiago, Chile | 1,001-5,000 | Exact match | 399 contacts → |
“En GEOVITA somos líderes en construcción y desarrollo subterráneo, con un enfoque al futuro e innovación, que surge en el año 1989 especializándose en operaciones para la minería…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SAK Construction, LLCsakcon.com HQ: O Fallon, MO, United StatesReported employees: 501-1,000 | O Fallon, MO, United States | 501-1,000 | Exact match | 340 contacts → |
“SAK Construction is one of the largest privately held pipeline rehabilitation and tunneling contractors in the U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Delve Undergrounddelveunderground.comHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 307 contacts → |
“Delve Underground is a leader in heavy civil engineering, serving the transportation, water, wastewater, and energy industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Frontier-Kemper Constructors, INCfrontierkemper.com HQ: Sylmar, CA, United StatesReported employees: 201-500 | Sylmar, CA, United States | 201-500 | Exact match | 291 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Tunnelcraft LTDtunnelcraft.co.uk HQ: Basildon, United KingdomReported employees: 51-200 | Basildon, United Kingdom | 51-200 | Exact match | 285 contacts → |
“Tunnelcraft Ltd is currently working for the BAM Nuttall.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Segmental Infrastructure Development LTDsegmental.inHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 272 contacts → |
“Founded in 2009, Segmental Infrastructure Development Limited (SIDL) is a global multidisciplinary consulting and project management firm delivering integrated solutions across…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Bessacbessac.comHQ: St Jory, FranceReported employees: 201-500 | St Jory, France | 201-500 | Exact match | 254 contacts → |
“General contracting company specialising in the construction of tunnels and microtunnels, BESSAC has been building underground structures for 50 years to serve a variety of…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Antioch, CA, United StatesReported employees: 201-500 | Antioch, CA, United States | 201-500 | Exact match | 223 contacts → |
“Drill Tech Drilling & Shoring, Inc.(DTDS) is a full service Engineering Contractor founded in 1994 Specializing in tunneling, shafts, deep foundation, ground improvement, and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pullman Servicespullman-services.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 211 contacts → |
“PULLMAN, a licensee of STRUCTURAL TECHNOLOGIES’ products and technical support services, integrates technology-driven solutions into its industry-leading repair and maintenance…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Amberg Engineeringambergengineering.comHQ: Regensdorf, United StatesReported employees: 51-200 | Regensdorf, United States | 51-200 | Exact match | 207 contacts → |
“Amberg Engineering is a specialised engineering firm for the design and project management of underground works.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Bemo Tunnellingbemo.netHQ: Innsbruck, AustriaReported employees: 501-1,000 | Innsbruck, Austria | 501-1,000 | Exact match | 189 contacts → |
“BEMO Tunnelling is specialised in the construction and refurbishment of civil engineering structures of all kinds.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | TG Tunnellingtgtunnelling.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 179 contacts → |
“TG Tunnelling is a tunnelling company based out of 2 Athenaeum Rd, London N20 9AE, United Kingdom.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Özgün Constructionozguntr.com HQ: İstanbul, TürkiyeReported employees: 1,001-5,000 | İstanbul, Türkiye | 1,001-5,000 | Exact match | 179 contacts → |
“Özgün İnşaat, leading company of KRK Holding, was established in 1993.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  ARX - Geodatageodata.itHQ: Turin, ItalyReported employees: 201-500 | Turin, Italy | 201-500 | Exact match | 167 contacts → |
“GEODATA is a multi-disciplinary company with an Italian origin and a global footprint, specialized in providing high-quality consultancy services and solutions for the development…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ashi & Bushnag Co. ABC For Contractingashibushnag.comHQ: Jeddah, Saudi ArabiaReported employees: 1,001-5,000 | Jeddah, Saudi Arabia | 1,001-5,000 | Exact match | 133 contacts → |
“Experts in building construction, micro tunneling, road construction, and operation & maintenance services.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  A E Yates LTDaeyates.co.ukHQ: Bolton, United KingdomReported employees: 201-500 | Bolton, United Kingdom | 201-500 | Exact match | 118 contacts → |
“A E Yates Ltd is a Bolton based £100m turnover Civil Engineering & Tunnelling Contractor, established in 1870, with a long standing reputation for successfully delivering works of…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Austunnelaustunnel.com.auHQ: Lane Cove West, AustraliaReported employees: 201-500 | Lane Cove West, Australia | 201-500 | Exact match | 118 contacts → |
“Delivering Solutions with Integrity, Reliability and Excellence.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sargin İnşaat VE Maki̇ne Sanayi̇ Ti̇caret A.Şsargininsaat.com HQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 94 contacts → |
“We are a Turkish Construction Company that specialises in Tunnelling, Mining and other associated underground works.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Trakkom Engineering & Industriestrakkom.com HQ: Maltepe, TürkiyeReported employees: 51-200 | Maltepe, Türkiye | 51-200 | Exact match | 87 contacts → |
“With over 15 years of experience in mechanized tunneling and heavy machinery & equipment, Trakkom Engineering offers sustainable global solutions for the partners all over the…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Kenny Constructionskennyconstructions.com.auHQ: Yennora, AustraliaReported employees: 51-200 | Yennora, Australia | 51-200 | Exact match | 86 contacts → |
“Kenny Constructions is one of Australia’s most trusted subcontractors for complex civil infrastructure.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Freyssinet UKfreyssinet.co.ukHQ: Telford, United KingdomReported employees: 51-200 | Telford, United Kingdom | 51-200 | Exact match | 84 contacts → |
“Freyssinet is a leading specialist contractor for the repair, refurbishment and protection of structures, from bridges through to highways, rail, marine and nuclear sectors of the…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  JW Fowlerjwfowler.comHQ: Dallas, OR, United StatesReported employees: 201-500 | Dallas, OR, United States | 201-500 | Exact match | 83 contacts → |
“J.W.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 352 company matches
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Tunnel maintenance contractors: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
351 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 352 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tunnel maintenance contractors by location
2 lists · largest firstEvery Tunnel maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for tunnel maintenance contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tunnel maintenance contractors did RevenueBase find worldwide?
The saved snapshot records 352 matching company records, 11,733 tracked contacts and 3,128 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 tunnel maintenance contractors worldwide. Snapshot: October 22, 2026. https://revenuebase.ai/companies/browse/tunnel-maintenance-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 tunnel maintenance contractors worldwide
RevenueBase records 352 matching company records for tunnel maintenance contractors worldwide, with 11,733 tracked contacts and 3,128 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tunnel maintenance contractors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Amplia Infrastructuresampliaspa.it HQ: Rome, ItalyReported employees: 1,001-5,000 | Rome, Italy | 1,001-5,000 | Exact match | 713 contacts → |
“vimental has over 40 years experience in the construction, maintenance and upgrading of roads, motorways, bridges, viaducts, service areas and airports.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ghellaghella.com HQ: Rome, ItalyReported employees: 5,001-10,000 | Rome, Italy | 5,001-10,000 | Exact match | 709 contacts → |
“Founded in 1894, Ghella is a major Italian global force recognized for its excellence in the construction of large-scale public infrastructure and expertise in the use of Tunnel…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Joseph Gallagher Limitedjosephgallagher.co.uk HQ: Stanford-le-hope, United KingdomReported employees: 501-1,000 | Stanford-le-hope, United Kingdom | 501-1,000 | Exact match | 510 contacts → |
“Joseph Gallagher is one of the UK's leading Civil Engineering & Tunnelling sub-contractors that has significantly grown over the past 45 years into an international business.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Geovita Salfacorpgeovita.cl HQ: Santiago, ChileReported employees: 1,001-5,000 | Santiago, Chile | 1,001-5,000 | Exact match | 399 contacts → |
“En GEOVITA somos líderes en construcción y desarrollo subterráneo, con un enfoque al futuro e innovación, que surge en el año 1989 especializándose en operaciones para la minería…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SAK Construction, LLCsakcon.com HQ: O Fallon, MO, United StatesReported employees: 501-1,000 | O Fallon, MO, United States | 501-1,000 | Exact match | 340 contacts → |
“SAK Construction is one of the largest privately held pipeline rehabilitation and tunneling contractors in the U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Delve Undergrounddelveunderground.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 307 contacts → |
“Delve Underground is a leader in heavy civil engineering, serving the transportation, water, wastewater, and energy industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Frontier-Kemper Constructors, INCfrontierkemper.com HQ: Sylmar, CA, United StatesReported employees: 201-500 | Sylmar, CA, United States | 201-500 | Exact match | 291 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Tunnelcraft LTDtunnelcraft.co.uk HQ: Basildon, United KingdomReported employees: 51-200 | Basildon, United Kingdom | 51-200 | Exact match | 285 contacts → |
“Tunnelcraft Ltd is currently working for the BAM Nuttall.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Segmental Infrastructure Development LTDsegmental.in HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 272 contacts → |
“Founded in 2009, Segmental Infrastructure Development Limited (SIDL) is a global multidisciplinary consulting and project management firm delivering integrated solutions across…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Bessacbessac.com HQ: St Jory, FranceReported employees: 201-500 | St Jory, France | 201-500 | Exact match | 254 contacts → |
“General contracting company specialising in the construction of tunnels and microtunnels, BESSAC has been building underground structures for 50 years to serve a variety of…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Antioch, CA, United StatesReported employees: 201-500 | Antioch, CA, United States | 201-500 | Exact match | 223 contacts → |
“Drill Tech Drilling & Shoring, Inc.(DTDS) is a full service Engineering Contractor founded in 1994 Specializing in tunneling, shafts, deep foundation, ground improvement, and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pullman Servicespullman-services.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 211 contacts → |
“PULLMAN, a licensee of STRUCTURAL TECHNOLOGIES’ products and technical support services, integrates technology-driven solutions into its industry-leading repair and maintenance…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Amberg Engineeringambergengineering.com HQ: Regensdorf, United StatesReported employees: 51-200 | Regensdorf, United States | 51-200 | Exact match | 207 contacts → |
“Amberg Engineering is a specialised engineering firm for the design and project management of underground works.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Bemo Tunnellingbemo.net HQ: Innsbruck, AustriaReported employees: 501-1,000 | Innsbruck, Austria | 501-1,000 | Exact match | 189 contacts → |
“BEMO Tunnelling is specialised in the construction and refurbishment of civil engineering structures of all kinds.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | TG Tunnellingtgtunnelling.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 179 contacts → |
“TG Tunnelling is a tunnelling company based out of 2 Athenaeum Rd, London N20 9AE, United Kingdom.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Özgün Constructionozguntr.com HQ: İstanbul, TürkiyeReported employees: 1,001-5,000 | İstanbul, Türkiye | 1,001-5,000 | Exact match | 179 contacts → |
“Özgün İnşaat, leading company of KRK Holding, was established in 1993.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ARX - Geodatageodata.it HQ: Turin, ItalyReported employees: 201-500 | Turin, Italy | 201-500 | Exact match | 167 contacts → |
“GEODATA is a multi-disciplinary company with an Italian origin and a global footprint, specialized in providing high-quality consultancy services and solutions for the development…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ashi & Bushnag Co. ABC For Contractingashibushnag.com HQ: Jeddah, Saudi ArabiaReported employees: 1,001-5,000 | Jeddah, Saudi Arabia | 1,001-5,000 | Exact match | 133 contacts → |
“Experts in building construction, micro tunneling, road construction, and operation & maintenance services.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | A E Yates LTDaeyates.co.uk HQ: Bolton, United KingdomReported employees: 201-500 | Bolton, United Kingdom | 201-500 | Exact match | 118 contacts → |
“A E Yates Ltd is a Bolton based £100m turnover Civil Engineering & Tunnelling Contractor, established in 1870, with a long standing reputation for successfully delivering works of…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Austunnelaustunnel.com.au HQ: Lane Cove West, AustraliaReported employees: 201-500 | Lane Cove West, Australia | 201-500 | Exact match | 118 contacts → |
“Delivering Solutions with Integrity, Reliability and Excellence.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sargin İnşaat VE Maki̇ne Sanayi̇ Ti̇caret A.Şsargininsaat.com HQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 94 contacts → |
“We are a Turkish Construction Company that specialises in Tunnelling, Mining and other associated underground works.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Trakkom Engineering & Industriestrakkom.com HQ: Maltepe, TürkiyeReported employees: 51-200 | Maltepe, Türkiye | 51-200 | Exact match | 87 contacts → |
“With over 15 years of experience in mechanized tunneling and heavy machinery & equipment, Trakkom Engineering offers sustainable global solutions for the partners all over the…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Kenny Constructionskennyconstructions.com.au HQ: Yennora, AustraliaReported employees: 51-200 | Yennora, Australia | 51-200 | Exact match | 86 contacts → |
“Kenny Constructions is one of Australia’s most trusted subcontractors for complex civil infrastructure.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Freyssinet UKfreyssinet.co.uk HQ: Telford, United KingdomReported employees: 51-200 | Telford, United Kingdom | 51-200 | Exact match | 84 contacts → |
“Freyssinet is a leading specialist contractor for the repair, refurbishment and protection of structures, from bridges through to highways, rail, marine and nuclear sectors of the…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | JW Fowlerjwfowler.com HQ: Dallas, OR, United StatesReported employees: 201-500 | Dallas, OR, United States | 201-500 | Exact match | 83 contacts → |
“J.W.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 352 company matches
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Tunnel maintenance contractors: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
351 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 352 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tunnel maintenance contractors by location
2 lists · largest firstEvery Tunnel maintenance contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for tunnel maintenance contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tunnel maintenance contractors did RevenueBase find worldwide?
The saved snapshot records 352 matching company records, 11,733 tracked contacts and 3,128 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 tunnel maintenance contractors worldwide. Snapshot: October 22, 2026. https://revenuebase.ai/companies/browse/tunnel-maintenance-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗