Company lists · Data refreshed September 2026
Top 25 Rail infrastructure consulting firms based in the United States
RevenueBase identified 1,760 company matches for rail infrastructure consulting firms associated with the United States as of September 2026 and tracks 167,838 professional contacts across them, including 69,540 with verified work emails. Houston is the largest hub.
This list covers company matches for rail infrastructure consulting firms 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 September 29, 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 rail infrastructure consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 63,914 contacts → | ||||
Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 7,469 contacts → | ||||
Exact match “For over a century, HNTB has shaped the built environment with distinctive expertise across a full spectrum of infrastructure solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 6,113 contacts → | ||||
Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 4,362 contacts → | ||||
Exact match “Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 3,701 contacts → | ||||
Exact match “Our team creates lifelong customer relationships, supplying comprehensive rolling stock and infrastructure solutions for the global rail industry and setting the standard for…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 2,344 contacts → | ||||
Exact match “At Kleinfelder, we have been connecting great people to the best work since 1961.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 1,932 contacts → | ||||
Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 1,641 contacts → | ||||
Exact match “RK & K is a full-service planning, engineering, environmental, and construction management/inspection firm serving a wide range of clients throughout the United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 1,639 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 1,395 contacts → | ||||
Exact match “Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 1,362 contacts → | ||||
Exact match “Ulteig delivers comprehensive design engineering, program management and technical and field services that strengthen infrastructure vital to everyday life.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 1,354 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 1,256 contacts → | ||||
Exact match “Halcrow is now Jacobs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 1,199 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 964 contacts → | ||||
Exact match “Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 762 contacts → | ||||
Exact match “This page is now closed.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 758 contacts → | ||||
Exact match “At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 721 contacts → | ||||
Exact match “RailWorks builds and maintains rail transportation infrastructure that keeps people and goods moving across the United States and Canada.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 718 contacts → | ||||
Exact match “MSV International Inc.(ISO 9001 : 2015 Certified Company) is a multidisciplinary consultancy firm and is registered as a corporation in the State of Washington, USA.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 707 contacts → | ||||
Exact match “Schnabel is a trusted partner in building the foundation for project success.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 692 contacts → | ||||
Exact match “About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 646 contacts → | ||||
Exact match “AITX helps freight customers keep assets moving where reliability and predictability matter most.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 591 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 583 contacts → | ||||
Exact match “With more than 45 years of experience, Railserve is the leading provider of industrial rail services in North America.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 530 contacts → | ||||
Exact match “With more than 139 years of experience, H&H is a trusted, full-service infrastructure engineering firm delivering complex, forward-looking solutions that advance our clients’…” Recorded in the RevenueBase company graph · Sep 29, 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 “rail infrastructure consulting firms”. 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 1,760 rail infrastructure consulting firms based in the United States
See the full list, filter by size, metro and specialty, and access 69,540 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Rail infrastructure consulting firms based in the United States at a glance
As of Sep 29, 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 1,760 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 “rail infrastructure consulting firms” 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 69,540 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 September 29, 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.
Rail infrastructure consulting firms 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 “rail infrastructure consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many rail infrastructure consulting firms are there based in the United States?
RevenueBase identified 1,760 company matches for rail infrastructure consulting firms associated with the United States as of September 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?
AECOM tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most rail infrastructure consulting firms?
Houston leads with 60 company records, followed by New York (54) and Chicago (41).
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 69,540 professional contacts with verified work emails tracked across these 1,760 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 September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,760 rail infrastructure consulting firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Rail infrastructure consulting firms by geography
- Rail infrastructure consulting firms based in Brisbane, Australia
- Rail infrastructure consulting firms based in Melbourne, Australia
- Rail infrastructure consulting firms based in Perth, Australia
- Rail infrastructure consulting firms based in Sydney, Australia
- Rail infrastructure consulting firms based in Belo Horizonte, Brazil
- Rail infrastructure consulting firms based in Rio De Janeiro, Brazil
- Rail infrastructure consulting firms based in Sao Paulo, Brazil
- Rail infrastructure consulting firms based in Edmonton, Canada
- Rail infrastructure consulting firms based in Toronto, Canada
- Rail infrastructure consulting firms based in Santiago, Chile
- Rail infrastructure consulting firms based in Bogota, Colombia
- Rail infrastructure consulting firms based in Paris, France
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
- Rail infrastructure consulting firms based in Brisbane, Australia
- Rail infrastructure consulting firms based in Melbourne, Australia
- Rail infrastructure consulting firms based in Perth, Australia
- Rail infrastructure consulting firms based in Sydney, Australia
- Rail infrastructure consulting firms based in Belo Horizonte, Brazil
- Rail infrastructure consulting firms based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 25 rail infrastructure consulting firms 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 1,760 matching company records for rail infrastructure consulting firms based in the United States, with 167,838 tracked contacts and 69,540 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: September 29, 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 rail infrastructure consulting firms 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 |  AECOMaecom.comHQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 63,914 contacts → |
“AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  HNTBhntb.comHQ: Kansas City, MO, United StatesReported employees: 5,001-10,000 | Kansas City, MO, United States | 5,001-10,000 | Exact match | 7,469 contacts → |
“For over a century, HNTB has shaped the built environment with distinctive expertise across a full spectrum of infrastructure solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Terraconterracon.comHQ: Olathe, KS, United StatesReported employees: 5,001-10,000 | Olathe, KS, United States | 5,001-10,000 | Exact match | 6,113 contacts → |
“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Michael Baker Internationalmbakerintl.comHQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 4,362 contacts → |
“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Progress Rail, A Caterpillar Companyprogressrail.comHQ: Albertville, AL, United StatesReported employees: 5,001-10,000 | Albertville, AL, United States | 5,001-10,000 | Exact match | 3,701 contacts → |
“Our team creates lifelong customer relationships, supplying comprehensive rolling stock and infrastructure solutions for the global rail industry and setting the standard for…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Kleinfelderkleinfelder.comHQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 2,344 contacts → |
“At Kleinfelder, we have been connecting great people to the best work since 1961.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  LJAlja.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,932 contacts → |
“Employee-Owned.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Rk&krkk.comHQ: Baltimore, MD, United StatesReported employees: 1,001-5,000 | Baltimore, MD, United States | 1,001-5,000 | Exact match | 1,641 contacts → |
“RK & K is a full-service planning, engineering, environmental, and construction management/inspection firm serving a wide range of clients throughout the United States.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CHA Consulting, INCchasolutions.comHQ: Albany, NY, United StatesReported employees: 1,001-5,000 | Albany, NY, United States | 1,001-5,000 | Exact match | 1,639 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Davey Resource Group, INCdaveyresourcegroup.comHQ: Kent, OH, United StatesReported employees: 1,001-5,000 | Kent, OH, United States | 1,001-5,000 | Exact match | 1,395 contacts → |
“Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ulteigulteig.comHQ: Fargo, ND, United StatesReported employees: 1,001-5,000 | Fargo, ND, United States | 1,001-5,000 | Exact match | 1,362 contacts → |
“Ulteig delivers comprehensive design engineering, program management and technical and field services that strengthen infrastructure vital to everyday life.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  GPI Greenman-Pedersen, INCgpinet.comHQ: Melville, NY, United StatesReported employees: 1,001-5,000 | Melville, NY, United States | 1,001-5,000 | Exact match | 1,354 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Halcrowjacobs.comHQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 1,256 contacts → |
“Halcrow is now Jacobs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Volkert, INCvolkert.comHQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,199 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  GAI Consultants, INCgaiconsultants.comHQ: Homestead, PA, United StatesReported employees: 501-1,000 | Homestead, PA, United States | 501-1,000 | Exact match | 964 contacts → |
“Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hatch Mott Macdonaldhatchmott.comHQ: Iselin, NJ, United StatesReported employees: 1,001-5,000 | Iselin, NJ, United States | 1,001-5,000 | Exact match | 762 contacts → |
“This page is now closed.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Wade Trimwadetrim.comHQ: Detroit, MI, United StatesReported employees: 501-1,000 | Detroit, MI, United States | 501-1,000 | Exact match | 758 contacts → |
“At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Railworks Corporationrailworks.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 721 contacts → |
“RailWorks builds and maintains rail transportation infrastructure that keeps people and goods moving across the United States and Canada.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  MSV International, INCmsvgroup.comHQ: Kenmore, WA, United StatesReported employees: 501-1,000 | Kenmore, WA, United States | 501-1,000 | Exact match | 718 contacts → |
“MSV International Inc.(ISO 9001 : 2015 Certified Company) is a multidisciplinary consultancy firm and is registered as a corporation in the State of Washington, USA.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Schnabel Engineeringschnabel-eng.comHQ: Glen Allen, VA, United StatesReported employees: 501-1,000 | Glen Allen, VA, United States | 501-1,000 | Exact match | 707 contacts → |
“Schnabel is a trusted partner in building the foundation for project success.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  H2m Architects Engineersh2m.comHQ: Melville, NY, United StatesReported employees: 501-1,000 | Melville, NY, United States | 501-1,000 | Exact match | 692 contacts → |
“About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: St. Charles, MO, United StatesReported employees: 501-1,000 | St. Charles, MO, United States | 501-1,000 | Exact match | 646 contacts → |
“AITX helps freight customers keep assets moving where reliability and predictability matter most.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Neel-Schaffer, INCneel-schaffer.comHQ: Jackson, MS, United StatesReported employees: 501-1,000 | Jackson, MS, United States | 501-1,000 | Exact match | 591 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Railserve, INCrailserve.comHQ: Frankfort, IN, United StatesReported employees: 1,001-5,000 | Frankfort, IN, United States | 1,001-5,000 | Exact match | 583 contacts → |
“With more than 45 years of experience, Railserve is the leading provider of industrial rail services in North America.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  H&hhardestyhanover.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 530 contacts → |
“With more than 139 years of experience, H&H is a trusted, full-service infrastructure engineering firm delivering complex, forward-looking solutions that advance our clients’…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,760 company matches
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Rail infrastructure consulting firms: dataset insights
September 29, 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
1,760 records in the displayed employee bands.
0 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 1,760 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: September 29, 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 ↗
Rail infrastructure consulting firms by metro
Questions about this company list
What does Exact match mean for rail infrastructure consulting firms?
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 rail infrastructure consulting firms did RevenueBase find based in the United States?
The saved snapshot records 1,760 matching company records, 167,838 tracked contacts and 69,540 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: September 29, 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
Rail infrastructure consulting firms by geography
- Rail infrastructure consulting firms based in Brisbane, Australia
- Rail infrastructure consulting firms based in Melbourne, Australia
- Rail infrastructure consulting firms based in Perth, Australia
- Rail infrastructure consulting firms based in Sydney, Australia
- Rail infrastructure consulting firms based in Belo Horizonte, Brazil
- Rail infrastructure consulting firms based in Rio De Janeiro, Brazil
- Rail infrastructure consulting firms based in Sao Paulo, Brazil
- Rail infrastructure consulting firms based in Edmonton, Canada
- Rail infrastructure consulting firms based in Toronto, Canada
- Rail infrastructure consulting firms based in Santiago, Chile
- Rail infrastructure consulting firms based in Bogota, Colombia
- Rail infrastructure consulting firms based in Paris, France
Cite this list
RevenueBase Data Team. Top 25 rail infrastructure consulting firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/rail-infrastructure-consulting-firms/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
- Rail infrastructure consulting firms based in Brisbane, Australia
- Rail infrastructure consulting firms based in Melbourne, Australia
- Rail infrastructure consulting firms based in Perth, Australia
- Rail infrastructure consulting firms based in Sydney, Australia
- Rail infrastructure consulting firms based in Belo Horizonte, Brazil
- Rail infrastructure consulting firms based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 25 rail infrastructure consulting firms based in the United States
RevenueBase records 1,760 matching company records for rail infrastructure consulting firms based in the United States, with 167,838 tracked contacts and 69,540 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: September 29, 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 rail infrastructure consulting firms 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 | AECOMaecom.com HQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 63,914 contacts → |
“AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HNTBhntb.com HQ: Kansas City, MO, United StatesReported employees: 5,001-10,000 | Kansas City, MO, United States | 5,001-10,000 | Exact match | 7,469 contacts → |
“For over a century, HNTB has shaped the built environment with distinctive expertise across a full spectrum of infrastructure solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Terraconterracon.com HQ: Olathe, KS, United StatesReported employees: 5,001-10,000 | Olathe, KS, United States | 5,001-10,000 | Exact match | 6,113 contacts → |
“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Michael Baker Internationalmbakerintl.com HQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 4,362 contacts → |
“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Progress Rail, A Caterpillar Companyprogressrail.com HQ: Albertville, AL, United StatesReported employees: 5,001-10,000 | Albertville, AL, United States | 5,001-10,000 | Exact match | 3,701 contacts → |
“Our team creates lifelong customer relationships, supplying comprehensive rolling stock and infrastructure solutions for the global rail industry and setting the standard for…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Kleinfelderkleinfelder.com HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 2,344 contacts → |
“At Kleinfelder, we have been connecting great people to the best work since 1961.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | LJAlja.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,932 contacts → |
“Employee-Owned.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rk&krkk.com HQ: Baltimore, MD, United StatesReported employees: 1,001-5,000 | Baltimore, MD, United States | 1,001-5,000 | Exact match | 1,641 contacts → |
“RK & K is a full-service planning, engineering, environmental, and construction management/inspection firm serving a wide range of clients throughout the United States.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CHA Consulting, INCchasolutions.com HQ: Albany, NY, United StatesReported employees: 1,001-5,000 | Albany, NY, United States | 1,001-5,000 | Exact match | 1,639 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Davey Resource Group, INCdaveyresourcegroup.com HQ: Kent, OH, United StatesReported employees: 1,001-5,000 | Kent, OH, United States | 1,001-5,000 | Exact match | 1,395 contacts → |
“Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ulteigulteig.com HQ: Fargo, ND, United StatesReported employees: 1,001-5,000 | Fargo, ND, United States | 1,001-5,000 | Exact match | 1,362 contacts → |
“Ulteig delivers comprehensive design engineering, program management and technical and field services that strengthen infrastructure vital to everyday life.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GPI Greenman-Pedersen, INCgpinet.com HQ: Melville, NY, United StatesReported employees: 1,001-5,000 | Melville, NY, United States | 1,001-5,000 | Exact match | 1,354 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Halcrowjacobs.com HQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 1,256 contacts → |
“Halcrow is now Jacobs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Volkert, INCvolkert.com HQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,199 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GAI Consultants, INCgaiconsultants.com HQ: Homestead, PA, United StatesReported employees: 501-1,000 | Homestead, PA, United States | 501-1,000 | Exact match | 964 contacts → |
“Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hatch Mott Macdonaldhatchmott.com HQ: Iselin, NJ, United StatesReported employees: 1,001-5,000 | Iselin, NJ, United States | 1,001-5,000 | Exact match | 762 contacts → |
“This page is now closed.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wade Trimwadetrim.com HQ: Detroit, MI, United StatesReported employees: 501-1,000 | Detroit, MI, United States | 501-1,000 | Exact match | 758 contacts → |
“At Wade Trim, we are committed to maximizing the value of your infrastructure investment.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Railworks Corporationrailworks.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 721 contacts → |
“RailWorks builds and maintains rail transportation infrastructure that keeps people and goods moving across the United States and Canada.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | MSV International, INCmsvgroup.com HQ: Kenmore, WA, United StatesReported employees: 501-1,000 | Kenmore, WA, United States | 501-1,000 | Exact match | 718 contacts → |
“MSV International Inc.(ISO 9001 : 2015 Certified Company) is a multidisciplinary consultancy firm and is registered as a corporation in the State of Washington, USA.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Schnabel Engineeringschnabel-eng.com HQ: Glen Allen, VA, United StatesReported employees: 501-1,000 | Glen Allen, VA, United States | 501-1,000 | Exact match | 707 contacts → |
“Schnabel is a trusted partner in building the foundation for project success.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | H2m Architects Engineersh2m.com HQ: Melville, NY, United StatesReported employees: 501-1,000 | Melville, NY, United States | 501-1,000 | Exact match | 692 contacts → |
“About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: St. Charles, MO, United StatesReported employees: 501-1,000 | St. Charles, MO, United States | 501-1,000 | Exact match | 646 contacts → |
“AITX helps freight customers keep assets moving where reliability and predictability matter most.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Neel-Schaffer, INCneel-schaffer.com HQ: Jackson, MS, United StatesReported employees: 501-1,000 | Jackson, MS, United States | 501-1,000 | Exact match | 591 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Railserve, INCrailserve.com HQ: Frankfort, IN, United StatesReported employees: 1,001-5,000 | Frankfort, IN, United States | 1,001-5,000 | Exact match | 583 contacts → |
“With more than 45 years of experience, Railserve is the leading provider of industrial rail services in North America.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | H&hhardestyhanover.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 530 contacts → |
“With more than 139 years of experience, H&H is a trusted, full-service infrastructure engineering firm delivering complex, forward-looking solutions that advance our clients’…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Rail infrastructure consulting firms: dataset insights
September 29, 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
1,760 records in the displayed employee bands.
0 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 1,760 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: September 29, 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 ↗
Rail infrastructure consulting firms by metro
Questions about this company list
What does Exact match mean for rail infrastructure consulting firms?
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 rail infrastructure consulting firms did RevenueBase find based in the United States?
The saved snapshot records 1,760 matching company records, 167,838 tracked contacts and 69,540 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: September 29, 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
Rail infrastructure consulting firms by geography
- Rail infrastructure consulting firms based in Brisbane, Australia
- Rail infrastructure consulting firms based in Melbourne, Australia
- Rail infrastructure consulting firms based in Perth, Australia
- Rail infrastructure consulting firms based in Sydney, Australia
- Rail infrastructure consulting firms based in Belo Horizonte, Brazil
- Rail infrastructure consulting firms based in Rio De Janeiro, Brazil
- Rail infrastructure consulting firms based in Sao Paulo, Brazil
- Rail infrastructure consulting firms based in Edmonton, Canada
- Rail infrastructure consulting firms based in Toronto, Canada
- Rail infrastructure consulting firms based in Santiago, Chile
- Rail infrastructure consulting firms based in Bogota, Colombia
- Rail infrastructure consulting firms based in Paris, France
Cite this list
RevenueBase Data Team. Top 25 rail infrastructure consulting firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/rail-infrastructure-consulting-firms/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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- Rail infrastructure consulting firms based in Brisbane, Australia
- Rail infrastructure consulting firms based in Melbourne, Australia
- Rail infrastructure consulting firms based in Perth, Australia
- Rail infrastructure consulting firms based in Sydney, Australia
- Rail infrastructure consulting firms based in Belo Horizonte, Brazil
- Rail infrastructure consulting firms based in Rio De Janeiro, Brazil