Company lists · Data refreshed November 2026
Top 25 Tunnel engineering consultants based in the United States
RevenueBase identified 896 company matches for tunnel engineering consultants associated with the United States as of November 2026 and tracks 42,582 professional contacts across them, including 16,853 with verified work emails. Houston is the largest hub.
This list covers company matches for tunnel engineering consultants associated with the United States, 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 November 6, 2026.
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 engineering consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 8,131 contacts → | ||||
Exact match “URS Corporation operations are now affiliated with AECOM.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,780 contacts → | ||||
Exact match “CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,401 contacts → | ||||
Exact match “With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,244 contacts → | ||||
Exact match “Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 810 contacts → | ||||
Exact match “At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 800 contacts → | ||||
Exact match “This page is now closed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 767 contacts → | ||||
Exact match “Schnabel is a trusted partner in building the foundation for project success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 637 contacts → | ||||
Exact match “Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 483 contacts → | ||||
Exact match “Lockwood, Andrews & Newnam, Inc.(LAN) is a full-service consulting firm offering planning, engineering and program management services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 467 contacts → | ||||
Exact match “In 1959, Owen Ayres founded Ayres Associates atop a steadfast foundation of honesty, innovation, and good old-fashioned hard work – and a vision for a firm that revolved around…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 464 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 464 contacts → | ||||
Exact match “Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 451 contacts → | ||||
Exact match “McCormick Taylor is a full-service civil engineering firm providing creative design, planning, and environmental solutions to the challenges of everyday life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 433 contacts → | ||||
Exact match “In 1979, Collins Engineers, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 384 contacts → | ||||
Exact match “Burns is a nationally respected provider of specialized engineering services, bringing highly-technical, sought-after engineering expertise to transportation, critical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 373 contacts → | ||||
Exact match “Primera Engineers is a mid-size, full-service, woman-owned (WBE) engineering design and consulting firm specializing in four areas of expertise: buildings, transportation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 360 contacts → | ||||
Exact match “Metric was founded in 1976 on the principle of providing personalized consulting engineering services "done right the first time and every time." Today, we are among the top…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 344 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 336 contacts → | ||||
Exact match “Founded in 1989, TRC Worldwide Engineering, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 327 contacts → | ||||
Exact match “Halmar International, where for more than 60 years the future of transportation infrastructure is built.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 314 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 280 contacts → | ||||
Exact match “Christopher B.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 242 contacts → | ||||
Exact match “CEC® is a privately held, multi-discipline engineering firm serving Oklahoma and Texas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 238 contacts → | ||||
Exact match “BKF and MNS have merged, shaping the future of infrastructure across the Western United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 229 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 · Nov 6, 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 engineering consultants”. 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 896 tunnel engineering consultants based in the United States
See the full list, filter by size, metro and specialty, and access 16,853 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tunnel engineering consultants based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 896 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “tunnel engineering consultants” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 16,853 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 November 6, 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 engineering consultants by metro
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 engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tunnel engineering consultants are there based in the United States?
RevenueBase identified 896 company matches for tunnel engineering consultants associated with the United States as of November 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?
URS Corporation, An Aecom Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most tunnel engineering consultants?
Houston leads with 37 company records, followed by New York (32) and Chicago (20).
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 16,853 professional contacts with verified work emails tracked across these 896 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 896 tunnel engineering consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Tunnel engineering consultants by geography
- Tunnel engineering consultants based in Sydney, Australia
- Tunnel engineering consultants based in Belo Horizonte, Brazil
- Tunnel engineering consultants based in Sao Paulo, Brazil
- Tunnel engineering consultants based in Cairo, Egypt
- Tunnel engineering consultants based in New Delhi, India
- Tunnel engineering consultants based in Milan, Italy
- Tunnel engineering consultants based in Rome, Italy
- Tunnel engineering consultants based in Riyadh, Saudi Arabia
- Tunnel engineering consultants based in Madrid, Spain
- Tunnel engineering consultants based in Stockholm, Sweden
- Tunnel engineering consultants based in London, United Kingdom
- Tunnel engineering consultants based in Houston, United States
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tunnel engineering consultants based in Sydney, Australia
- Tunnel engineering consultants based in Belo Horizonte, Brazil
- Tunnel engineering consultants based in Sao Paulo, Brazil
- Tunnel engineering consultants based in Cairo, Egypt
- Tunnel engineering consultants based in New Delhi, India
- Tunnel engineering consultants based in Milan, Italy
Company intelligence · public preview
Top 25 tunnel engineering consultants based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 896 matching company records for tunnel engineering consultants based in the United States, with 42,582 tracked contacts and 16,853 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: November 6, 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 engineering consultants based in the United States
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 | HQ: San Francisco, CA, United StatesReported employees: 10001+ | San Francisco, CA, United States | 10001+ | Exact match | 8,131 contacts → |
“URS Corporation operations are now affiliated with AECOM.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CHA Consulting, INCchasolutions.comHQ: Albany, NH, United StatesReported employees: 1,001-5,000 | Albany, NH, United States | 1,001-5,000 | Exact match | 1,780 contacts → |
“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  GPI Greenman-Pedersen, INCgpinet.comHQ: Melville, FL, United StatesReported employees: 1,001-5,000 | Melville, FL, United States | 1,001-5,000 | Exact match | 1,401 contacts → |
“With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Volkert, INCvolkert.comHQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,244 contacts → |
“Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Wade Trimwadetrim.comHQ: Detroit, MI, United StatesReported employees: 501-1,000 | Detroit, MI, United States | 501-1,000 | Exact match | 810 contacts → |
“At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hatch Mott Macdonaldhatchmott.comHQ: Iselin, NJ, United StatesReported employees: 1,001-5,000 | Iselin, NJ, United States | 1,001-5,000 | Exact match | 800 contacts → |
“This page is now closed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Schnabel Engineeringschnabel-eng.comHQ: Glen Allen, VA, United StatesReported employees: 501-1,000 | Glen Allen, VA, United States | 501-1,000 | Exact match | 767 contacts → |
“Schnabel is a trusted partner in building the foundation for project success.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Neel-Schaffer, INCneel-schaffer.comHQ: Jackson, MS, United StatesReported employees: 501-1,000 | Jackson, MS, United States | 501-1,000 | Exact match | 637 contacts → |
“Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Lockwood, Andrews & Newnam, Inc. LANlan-inc.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 483 contacts → |
“Lockwood, Andrews & Newnam, Inc.(LAN) is a full-service consulting firm offering planning, engineering and program management services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ayres Associatesayresassociates.comHQ: Eau Claire, WI, United StatesReported employees: 201-500 | Eau Claire, WI, United States | 201-500 | Exact match | 467 contacts → |
“In 1959, Owen Ayres founded Ayres Associates atop a steadfast foundation of honesty, innovation, and good old-fashioned hard work – and a vision for a firm that revolved around…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Strand Associates, INCstrand.comHQ: Madison, TX, United StatesReported employees: 501-1,000 | Madison, TX, United States | 501-1,000 | Exact match | 464 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Ttl, INCttlusa.comHQ: Tuscaloosa, AL, United StatesReported employees: 201-500 | Tuscaloosa, AL, United States | 201-500 | Exact match | 464 contacts → |
“Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Mccormick Taylor, INCmccormicktaylor.comHQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 451 contacts → |
“McCormick Taylor is a full-service civil engineering firm providing creative design, planning, and environmental solutions to the challenges of everyday life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Collins Engineers, INCcollinsengr.comHQ: Chicago, VA, United StatesReported employees: 201-500 | Chicago, VA, United States | 201-500 | Exact match | 433 contacts → |
“In 1979, Collins Engineers, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Burns Engineering, INCburns-group.comHQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 384 contacts → |
“Burns is a nationally respected provider of specialized engineering services, bringing highly-technical, sought-after engineering expertise to transportation, critical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Primera Engineersprimeraeng.comHQ: Chicago, TX, United StatesReported employees: 201-500 | Chicago, TX, United States | 201-500 | Exact match | 373 contacts → |
“Primera Engineers is a mid-size, full-service, woman-owned (WBE) engineering design and consulting firm specializing in four areas of expertise: buildings, transportation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Metric Engineeringmetriceng.comHQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 360 contacts → |
“Metric was founded in 1976 on the principle of providing personalized consulting engineering services "done right the first time and every time." Today, we are among the top…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  SAK Construction, LLCsakcon.comHQ: O Fallon, AZ, United StatesReported employees: 501-1,000 | O Fallon, AZ, United States | 501-1,000 | Exact match | 344 contacts → |
“SAK Construction is one of the largest privately held pipeline rehabilitation and tunneling contractors in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  TRC Worldwide Engineering, INCtrcww.comHQ: Brentwood, FL, United StatesReported employees: 201-500 | Brentwood, FL, United States | 201-500 | Exact match | 336 contacts → |
“Founded in 1989, TRC Worldwide Engineering, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Halmar Internationalhalmarinternational.comHQ: Nanuet, NY, United StatesReported employees: 201-500 | Nanuet, NY, United States | 201-500 | Exact match | 327 contacts → |
“Halmar International, where for more than 60 years the future of transportation infrastructure is built.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Delve Undergrounddelveunderground.comHQ: Seattle, MA, United StatesReported employees: 201-500 | Seattle, MA, United States | 201-500 | Exact match | 314 contacts → |
“Delve Underground is a leader in heavy civil engineering, serving the transportation, water, wastewater, and energy industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Rosemont, IL, United StatesReported employees: 201-500 | Rosemont, IL, United States | 201-500 | Exact match | 280 contacts → |
“Christopher B.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  CECconnectcec.comHQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 242 contacts → |
“CEC® is a privately held, multi-discipline engineering firm serving Oklahoma and Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  MNS Engineers, INCbkf.comHQ: Santa Barbara, CA, United StatesReported employees: 201-500 | Santa Barbara, CA, United States | 201-500 | Exact match | 238 contacts → |
“BKF and MNS have merged, shaping the future of infrastructure across the Western United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Antioch, CA, United StatesReported employees: 201-500 | Antioch, CA, United States | 201-500 | Exact match | 229 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 896 company matches
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Tunnel engineering consultants: dataset insights
November 6, 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
894 records in the displayed employee bands.
2 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 896 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: November 6, 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 engineering consultants by metro
Questions about this company list
What does Exact match mean for tunnel engineering consultants?
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 engineering consultants did RevenueBase find based in the United States?
The saved snapshot records 896 matching company records, 42,582 tracked contacts and 16,853 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: November 6, 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
Tunnel engineering consultants by geography
- Tunnel engineering consultants based in Sydney, Australia
- Tunnel engineering consultants based in Belo Horizonte, Brazil
- Tunnel engineering consultants based in Sao Paulo, Brazil
- Tunnel engineering consultants based in Cairo, Egypt
- Tunnel engineering consultants based in New Delhi, India
- Tunnel engineering consultants based in Milan, Italy
- Tunnel engineering consultants based in Rome, Italy
- Tunnel engineering consultants based in Riyadh, Saudi Arabia
- Tunnel engineering consultants based in Madrid, Spain
- Tunnel engineering consultants based in Stockholm, Sweden
- Tunnel engineering consultants based in London, United Kingdom
- Tunnel engineering consultants based in Houston, United States
Cite this list
RevenueBase Data Team. Top 25 tunnel engineering consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/tunnel-engineering-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tunnel engineering consultants based in Sydney, Australia
- Tunnel engineering consultants based in Belo Horizonte, Brazil
- Tunnel engineering consultants based in Sao Paulo, Brazil
- Tunnel engineering consultants based in Cairo, Egypt
- Tunnel engineering consultants based in New Delhi, India
- Tunnel engineering consultants based in Milan, Italy
Company intelligence · public preview
Top 25 tunnel engineering consultants based in the United States
RevenueBase records 896 matching company records for tunnel engineering consultants based in the United States, with 42,582 tracked contacts and 16,853 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: November 6, 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 engineering consultants based in the United States
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 | HQ: San Francisco, CA, United StatesReported employees: 10001+ | San Francisco, CA, United States | 10001+ | Exact match | 8,131 contacts → |
“URS Corporation operations are now affiliated with AECOM.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CHA Consulting, INCchasolutions.com HQ: Albany, NH, United StatesReported employees: 1,001-5,000 | Albany, NH, United States | 1,001-5,000 | Exact match | 1,780 contacts → |
“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | GPI Greenman-Pedersen, INCgpinet.com HQ: Melville, FL, United StatesReported employees: 1,001-5,000 | Melville, FL, United States | 1,001-5,000 | Exact match | 1,401 contacts → |
“With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Volkert, INCvolkert.com HQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,244 contacts → |
“Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Wade Trimwadetrim.com HQ: Detroit, MI, United StatesReported employees: 501-1,000 | Detroit, MI, United States | 501-1,000 | Exact match | 810 contacts → |
“At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hatch Mott Macdonaldhatchmott.com HQ: Iselin, NJ, United StatesReported employees: 1,001-5,000 | Iselin, NJ, United States | 1,001-5,000 | Exact match | 800 contacts → |
“This page is now closed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Schnabel Engineeringschnabel-eng.com HQ: Glen Allen, VA, United StatesReported employees: 501-1,000 | Glen Allen, VA, United States | 501-1,000 | Exact match | 767 contacts → |
“Schnabel is a trusted partner in building the foundation for project success.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Neel-Schaffer, INCneel-schaffer.com HQ: Jackson, MS, United StatesReported employees: 501-1,000 | Jackson, MS, United States | 501-1,000 | Exact match | 637 contacts → |
“Neel-Schaffer is a multi-disciplined engineering, planning and construction management firm that was founded in 1983 and today is one of the largest private, employee-owned…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Lockwood, Andrews & Newnam, Inc. LANlan-inc.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 483 contacts → |
“Lockwood, Andrews & Newnam, Inc.(LAN) is a full-service consulting firm offering planning, engineering and program management services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ayres Associatesayresassociates.com HQ: Eau Claire, WI, United StatesReported employees: 201-500 | Eau Claire, WI, United States | 201-500 | Exact match | 467 contacts → |
“In 1959, Owen Ayres founded Ayres Associates atop a steadfast foundation of honesty, innovation, and good old-fashioned hard work – and a vision for a firm that revolved around…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Strand Associates, INCstrand.com HQ: Madison, TX, United StatesReported employees: 501-1,000 | Madison, TX, United States | 501-1,000 | Exact match | 464 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Ttl, INCttlusa.com HQ: Tuscaloosa, AL, United StatesReported employees: 201-500 | Tuscaloosa, AL, United States | 201-500 | Exact match | 464 contacts → |
“Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mccormick Taylor, INCmccormicktaylor.com HQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 451 contacts → |
“McCormick Taylor is a full-service civil engineering firm providing creative design, planning, and environmental solutions to the challenges of everyday life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Collins Engineers, INCcollinsengr.com HQ: Chicago, VA, United StatesReported employees: 201-500 | Chicago, VA, United States | 201-500 | Exact match | 433 contacts → |
“In 1979, Collins Engineers, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Burns Engineering, INCburns-group.com HQ: Philadelphia, PA, United StatesReported employees: 201-500 | Philadelphia, PA, United States | 201-500 | Exact match | 384 contacts → |
“Burns is a nationally respected provider of specialized engineering services, bringing highly-technical, sought-after engineering expertise to transportation, critical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Primera Engineersprimeraeng.com HQ: Chicago, TX, United StatesReported employees: 201-500 | Chicago, TX, United States | 201-500 | Exact match | 373 contacts → |
“Primera Engineers is a mid-size, full-service, woman-owned (WBE) engineering design and consulting firm specializing in four areas of expertise: buildings, transportation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Metric Engineeringmetriceng.com HQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 360 contacts → |
“Metric was founded in 1976 on the principle of providing personalized consulting engineering services "done right the first time and every time." Today, we are among the top…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | SAK Construction, LLCsakcon.com HQ: O Fallon, AZ, United StatesReported employees: 501-1,000 | O Fallon, AZ, United States | 501-1,000 | Exact match | 344 contacts → |
“SAK Construction is one of the largest privately held pipeline rehabilitation and tunneling contractors in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TRC Worldwide Engineering, INCtrcww.com HQ: Brentwood, FL, United StatesReported employees: 201-500 | Brentwood, FL, United States | 201-500 | Exact match | 336 contacts → |
“Founded in 1989, TRC Worldwide Engineering, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Halmar Internationalhalmarinternational.com HQ: Nanuet, NY, United StatesReported employees: 201-500 | Nanuet, NY, United States | 201-500 | Exact match | 327 contacts → |
“Halmar International, where for more than 60 years the future of transportation infrastructure is built.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Delve Undergrounddelveunderground.com HQ: Seattle, MA, United StatesReported employees: 201-500 | Seattle, MA, United States | 201-500 | Exact match | 314 contacts → |
“Delve Underground is a leader in heavy civil engineering, serving the transportation, water, wastewater, and energy industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Rosemont, IL, United StatesReported employees: 201-500 | Rosemont, IL, United States | 201-500 | Exact match | 280 contacts → |
“Christopher B.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CECconnectcec.com HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 242 contacts → |
“CEC® is a privately held, multi-discipline engineering firm serving Oklahoma and Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | MNS Engineers, INCbkf.com HQ: Santa Barbara, CA, United StatesReported employees: 201-500 | Santa Barbara, CA, United States | 201-500 | Exact match | 238 contacts → |
“BKF and MNS have merged, shaping the future of infrastructure across the Western United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Antioch, CA, United StatesReported employees: 201-500 | Antioch, CA, United States | 201-500 | Exact match | 229 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Tunnel engineering consultants: dataset insights
November 6, 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
894 records in the displayed employee bands.
2 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 896 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: November 6, 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 engineering consultants by metro
Questions about this company list
What does Exact match mean for tunnel engineering consultants?
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 engineering consultants did RevenueBase find based in the United States?
The saved snapshot records 896 matching company records, 42,582 tracked contacts and 16,853 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: November 6, 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
Tunnel engineering consultants by geography
- Tunnel engineering consultants based in Sydney, Australia
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- Tunnel engineering consultants based in Sao Paulo, Brazil
- Tunnel engineering consultants based in Cairo, Egypt
- Tunnel engineering consultants based in New Delhi, India
- Tunnel engineering consultants based in Milan, Italy
- Tunnel engineering consultants based in Rome, Italy
- Tunnel engineering consultants based in Riyadh, Saudi Arabia
- Tunnel engineering consultants based in Madrid, Spain
- Tunnel engineering consultants based in Stockholm, Sweden
- Tunnel engineering consultants based in London, United Kingdom
- Tunnel engineering consultants based in Houston, United States
Cite this list
RevenueBase Data Team. Top 25 tunnel engineering consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/tunnel-engineering-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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