Company lists · Data refreshed September 2026
Top 25 Site investigation companies worldwide
RevenueBase identified 8,427 company matches for site investigation companies worldwide as of September 2026 and tracks 132,263 professional contacts across them, including 44,099 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for site investigation companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026. Country and city lists for site investigation companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest site investigation companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 22, 2026 · View company records in RevenueBase | |||||
| 2 | 3,960 contacts → | ||||
Exact match “Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 2,210 contacts → | ||||
Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 1,837 contacts → | ||||
Exact match “Established in 1986, SEP has been the industry’s leader for site engineering, surveying and management solutions for over thirty years, providing vital services, resources and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 1,595 contacts → | ||||
Exact match “UES provides professional engineering, environmental, testing and inspection services to clients across the United States.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 1,476 contacts → | ||||
Exact match “At ACES, we offer a wide range of specialized engineering services including site and geotechnical investigation, materials technology and testing, quality control of projects…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 1,222 contacts → | ||||
Exact match “Soletanche Bachy is a world benchmark in foundations and soil technologies, and is involved in over projects every year.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 880 contacts → | ||||
Exact match “Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 798 contacts → | ||||
Exact match “BGC Engineering is an international consulting firm that provides professional services in applied earth sciences.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 707 contacts → | ||||
Exact match “Schnabel is a trusted partner in building the foundation for project success.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 707 contacts → | ||||
Exact match “Tower Engineer Professionals was founded in 1997 by two tower-climbing engineers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 623 contacts → | ||||
Exact match “ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 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 22, 2026 · View company records in RevenueBase | |||||
| 14 | 588 contacts → | ||||
Exact match “Sondotécnica was founded in 1954.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 582 contacts → | ||||
Exact match “Founded in 1968, Raba Kistner Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 518 contacts → | ||||
Exact match “Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 487 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 483 contacts → | ||||
Exact match “ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 480 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 468 contacts → | ||||
Exact match “Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 466 contacts → | ||||
Exact match “Welcome to Douglas Partners Pty Ltd, a leading engineering consultancy specialising in geotechnics, rock mechanics, environment, groundwater, earthworks and geophysics.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 460 contacts → | ||||
Exact match “Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 458 contacts → | ||||
Exact match “Overview In 2012, L&T acquired a huge fleet of sophisticated foundation equipment and L&T GeoStructure - a unique legal business entity, was formed to focus, capture and build…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 449 contacts → | ||||
Exact match “Ninyo & Moore was acquired by SOCOTEC US.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 449 contacts → | ||||
Exact match “Minova is an industry leader of ground support and geotechnical solutions for mining, tunnelling and surface ground engineering projects.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “site investigation companies”. 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 8,427 site investigation companies worldwide
See the full list, filter by size, metro and specialty, and access 44,099 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Site investigation companies worldwide at a glance
As of Sep 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for site investigation companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “site investigation companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 44,099 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 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Site investigation companies by location
34 lists · largest firstEvery Site investigation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Site investigation companies based in the United States1,684
- Site investigation companies based in Brazil699
- Site investigation companies based in the United Kingdom559
- Site investigation companies based in France317
- Site investigation companies based in Italy317
- Site investigation companies based in Australia314
- Site investigation companies based in Canada309
- Site investigation companies based in Germany295
- Site investigation companies based in India267
- Site investigation companies based in Türkiye182
- Site investigation companies based in Spain161
- Site investigation companies based in the Netherlands120
- Site investigation companies based in Chile119
- Site investigation companies based in Peru119
- Site investigation companies based in Colombia117
- Site investigation companies based in Mexico106
- Site investigation companies based in South Africa101
- Site investigation companies based in Indonesia95
- Site investigation companies based in Switzerland91
- Site investigation companies based in Poland81
- Site investigation companies based in New Zealand75
- Site investigation companies based in Malaysia63
- Site investigation companies based in the United Arab Emirates53
- Site investigation companies based in Belgium50
- Site investigation companies based in Argentina49
- Site investigation companies based in Sweden48
- Site investigation companies based in Saudi Arabia44
- Site investigation companies based in Portugal39
- Site investigation companies based in Austria31
- Site investigation companies based in Norway26
- Site investigation companies based in Ireland25
Cities
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 “site investigation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many site investigation companies are there worldwide?
RevenueBase identified 8,427 company matches for site investigation companies worldwide 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?
Terracon tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most site investigation companies?
The United States leads with 1,684 companies, followed by Brazil (699) and the United Kingdom (559). Every site investigation companies list by country and city is linked on this page.
Which city has the most site investigation companies?
Sao Paulo leads with 86 company records, followed by Belo Horizonte (78) and Tehran (49).
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 44,099 professional contacts with verified work emails tracked across these 8,427 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 8,427 site investigation companies worldwide. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 site investigation companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 8,427 matching company records for site investigation companies worldwide, with 132,263 tracked contacts and 44,099 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 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 site investigation companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Kellerkeller.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 3,960 contacts → |
“Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ECS Group Of Companiesecslimited.comHQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 2,210 contacts → |
“ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  SEP Engineerssepltd.comHQ: Skelmersdale, United KingdomReported employees: Not recorded | Skelmersdale, United Kingdom | Not recorded | Exact match | 1,837 contacts → |
“Established in 1986, SEP has been the industry’s leader for site engineering, surveying and management solutions for over thirty years, providing vital services, resources and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  UESteamues.comHQ: Orlando, FL, United StatesReported employees: 1,001-5,000 | Orlando, FL, United States | 1,001-5,000 | Exact match | 1,595 contacts → |
“UES provides professional engineering, environmental, testing and inspection services to clients across the United States.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Arab Center For Engineering Studiesaces-int.comHQ: Amman, JordanReported employees: 1,001-5,000 | Amman, Jordan | 1,001-5,000 | Exact match | 1,476 contacts → |
“At ACES, we offer a wide range of specialized engineering services including site and geotechnical investigation, materials technology and testing, quality control of projects…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Soletanche Bachysoletanche-bachy.comHQ: Rueil-malmaison, FranceReported employees: 5,001-10,000 | Rueil-malmaison, France | 5,001-10,000 | Exact match | 1,222 contacts → |
“Soletanche Bachy is a world benchmark in foundations and soil technologies, and is involved in over projects every year.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  GZA Geoenvironmental, INCgza.comHQ: Norwood, MA, United StatesReported employees: 501-1,000 | Norwood, MA, United States | 501-1,000 | Exact match | 880 contacts → |
“Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  BGC Engineering INCbgcengineering.caHQ: Vancouver, BC, CanadaReported employees: 501-1,000 | Vancouver, BC, Canada | 501-1,000 | Exact match | 798 contacts → |
“BGC Engineering is an international consulting firm that provides professional services in applied earth sciences.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Tower Engineering Professionalstepgroup.netHQ: Raleigh, NC, United StatesReported employees: 1,001-5,000 | Raleigh, NC, United States | 1,001-5,000 | Exact match | 707 contacts → |
“Tower Engineer Professionals was founded in 1997 by two tower-climbing engineers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Pt. Anindya Wiraputra Konsultanindya.bizHQ: Jakarta, IndonesiaReported employees: 1,001-5,000 | Jakarta, Indonesia | 1,001-5,000 | Exact match | 623 contacts → |
“ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sondotécnica Engenhariasondotecnica.com.brHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 588 contacts → |
“Sondotécnica was founded in 1954.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Raba Kistner, INCrkci.comHQ: San Antonio, TX, United StatesReported employees: 501-1,000 | San Antonio, TX, United States | 501-1,000 | Exact match | 582 contacts → |
“Founded in 1968, Raba Kistner Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Nova Engineering And Environmental, LLCusanova.comHQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 518 contacts → |
“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Tectonic Engineering Consultants, Geologists & Land Surveyors, D.P.Ctectonicengineering.comHQ: Mountainville, United StatesReported employees: 501-1,000 | Mountainville, United States | 501-1,000 | Exact match | 487 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Entact, LLCentact.comHQ: Westmont, IL, United StatesReported employees: 501-1,000 | Westmont, IL, United States | 501-1,000 | Exact match | 483 contacts → |
“ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Thurber Engineering LTDthurber.caHQ: Edmonton, AB, CanadaReported employees: 501-1,000 | Edmonton, AB, Canada | 501-1,000 | Exact match | 480 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  GEOgeo.dkHQ: Kgs. Lyngby (copenhagen), DenmarkReported employees: 201-500 | Kgs. Lyngby (copenhagen), Denmark | 201-500 | Exact match | 468 contacts → |
“Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Douglas Partnersdouglaspartners.com.auHQ: West Ryde, AustraliaReported employees: 501-1,000 | West Ryde, Australia | 501-1,000 | Exact match | 466 contacts → |
“Welcome to Douglas Partners Pty Ltd, a leading engineering consultancy specialising in geotechnics, rock mechanics, environment, groundwater, earthworks and geophysics.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Geo-Technology Associates, Inc. GTAgtaeng.comHQ: Abingdon, MD, United KingdomReported employees: 501-1,000 | Abingdon, MD, United Kingdom | 501-1,000 | Exact match | 460 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  L&t Geostructurelntecc.comHQ: Chennai, IndiaReported employees: 501-1,000 | Chennai, India | 501-1,000 | Exact match | 458 contacts → |
“Overview In 2012, L&T acquired a huge fleet of sophisticated foundation equipment and L&T GeoStructure - a unique legal business entity, was formed to focus, capture and build…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ninyo & Moore, A Socotec Companysocotec.usHQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 449 contacts → |
“Ninyo & Moore was acquired by SOCOTEC US.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Minovaminovaglobal.comHQ: Greenwood Village, CO, United StatesReported employees: 1,001-5,000 | Greenwood Village, CO, United States | 1,001-5,000 | Exact match | 449 contacts → |
“Minova is an industry leader of ground support and geotechnical solutions for mining, tunnelling and surface ground engineering projects.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 8,427 company matches
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Site investigation companies: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
8,371 records in the displayed employee bands.
56 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 8,427 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 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Site investigation companies by location
34 lists · largest firstEvery Site investigation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Site investigation companies based in the United States1,684
- Site investigation companies based in Brazil699
- Site investigation companies based in the United Kingdom559
- Site investigation companies based in France317
- Site investigation companies based in Italy317
- Site investigation companies based in Australia314
- Site investigation companies based in Canada309
- Site investigation companies based in Germany295
- Site investigation companies based in India267
- Site investigation companies based in Türkiye182
- Site investigation companies based in Spain161
- Site investigation companies based in the Netherlands120
- Site investigation companies based in Chile119
- Site investigation companies based in Peru119
- Site investigation companies based in Colombia117
- Site investigation companies based in Mexico106
- Site investigation companies based in South Africa101
- Site investigation companies based in Indonesia95
- Site investigation companies based in Switzerland91
- Site investigation companies based in Poland81
- Site investigation companies based in New Zealand75
- Site investigation companies based in Malaysia63
- Site investigation companies based in the United Arab Emirates53
- Site investigation companies based in Belgium50
- Site investigation companies based in Argentina49
- Site investigation companies based in Sweden48
- Site investigation companies based in Saudi Arabia44
- Site investigation companies based in Portugal39
- Site investigation companies based in Austria31
- Site investigation companies based in Norway26
- Site investigation companies based in Ireland25
Cities
Questions about this company list
What does Exact match mean for site investigation companies?
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 site investigation companies did RevenueBase find worldwide?
The saved snapshot records 8,427 matching company records, 132,263 tracked contacts and 44,099 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 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 site investigation companies worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/site-investigation-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 site investigation companies worldwide
RevenueBase records 8,427 matching company records for site investigation companies worldwide, with 132,263 tracked contacts and 44,099 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 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 site investigation companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Kellerkeller.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 3,960 contacts → |
“Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ECS Group Of Companiesecslimited.com HQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 2,210 contacts → |
“ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | SEP Engineerssepltd.com HQ: Skelmersdale, United KingdomReported employees: Not recorded | Skelmersdale, United Kingdom | Not recorded | Exact match | 1,837 contacts → |
“Established in 1986, SEP has been the industry’s leader for site engineering, surveying and management solutions for over thirty years, providing vital services, resources and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | UESteamues.com HQ: Orlando, FL, United StatesReported employees: 1,001-5,000 | Orlando, FL, United States | 1,001-5,000 | Exact match | 1,595 contacts → |
“UES provides professional engineering, environmental, testing and inspection services to clients across the United States.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Arab Center For Engineering Studiesaces-int.com HQ: Amman, JordanReported employees: 1,001-5,000 | Amman, Jordan | 1,001-5,000 | Exact match | 1,476 contacts → |
“At ACES, we offer a wide range of specialized engineering services including site and geotechnical investigation, materials technology and testing, quality control of projects…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Soletanche Bachysoletanche-bachy.com HQ: Rueil-malmaison, FranceReported employees: 5,001-10,000 | Rueil-malmaison, France | 5,001-10,000 | Exact match | 1,222 contacts → |
“Soletanche Bachy is a world benchmark in foundations and soil technologies, and is involved in over projects every year.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GZA Geoenvironmental, INCgza.com HQ: Norwood, MA, United StatesReported employees: 501-1,000 | Norwood, MA, United States | 501-1,000 | Exact match | 880 contacts → |
“Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | BGC Engineering INCbgcengineering.ca HQ: Vancouver, BC, CanadaReported employees: 501-1,000 | Vancouver, BC, Canada | 501-1,000 | Exact match | 798 contacts → |
“BGC Engineering is an international consulting firm that provides professional services in applied earth sciences.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tower Engineering Professionalstepgroup.net HQ: Raleigh, NC, United StatesReported employees: 1,001-5,000 | Raleigh, NC, United States | 1,001-5,000 | Exact match | 707 contacts → |
“Tower Engineer Professionals was founded in 1997 by two tower-climbing engineers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pt. Anindya Wiraputra Konsultanindya.biz HQ: Jakarta, IndonesiaReported employees: 1,001-5,000 | Jakarta, Indonesia | 1,001-5,000 | Exact match | 623 contacts → |
“ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sondotécnica Engenhariasondotecnica.com.br HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 588 contacts → |
“Sondotécnica was founded in 1954.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Raba Kistner, INCrkci.com HQ: San Antonio, TX, United StatesReported employees: 501-1,000 | San Antonio, TX, United States | 501-1,000 | Exact match | 582 contacts → |
“Founded in 1968, Raba Kistner Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nova Engineering And Environmental, LLCusanova.com HQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 518 contacts → |
“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Tectonic Engineering Consultants, Geologists & Land Surveyors, D.P.Ctectonicengineering.com HQ: Mountainville, United StatesReported employees: 501-1,000 | Mountainville, United States | 501-1,000 | Exact match | 487 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Entact, LLCentact.com HQ: Westmont, IL, United StatesReported employees: 501-1,000 | Westmont, IL, United States | 501-1,000 | Exact match | 483 contacts → |
“ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Thurber Engineering LTDthurber.ca HQ: Edmonton, AB, CanadaReported employees: 501-1,000 | Edmonton, AB, Canada | 501-1,000 | Exact match | 480 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | GEOgeo.dk HQ: Kgs. Lyngby (copenhagen), DenmarkReported employees: 201-500 | Kgs. Lyngby (copenhagen), Denmark | 201-500 | Exact match | 468 contacts → |
“Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Douglas Partnersdouglaspartners.com.au HQ: West Ryde, AustraliaReported employees: 501-1,000 | West Ryde, Australia | 501-1,000 | Exact match | 466 contacts → |
“Welcome to Douglas Partners Pty Ltd, a leading engineering consultancy specialising in geotechnics, rock mechanics, environment, groundwater, earthworks and geophysics.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Geo-Technology Associates, Inc. GTAgtaeng.com HQ: Abingdon, MD, United KingdomReported employees: 501-1,000 | Abingdon, MD, United Kingdom | 501-1,000 | Exact match | 460 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | L&t Geostructurelntecc.com HQ: Chennai, IndiaReported employees: 501-1,000 | Chennai, India | 501-1,000 | Exact match | 458 contacts → |
“Overview In 2012, L&T acquired a huge fleet of sophisticated foundation equipment and L&T GeoStructure - a unique legal business entity, was formed to focus, capture and build…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ninyo & Moore, A Socotec Companysocotec.us HQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 449 contacts → |
“Ninyo & Moore was acquired by SOCOTEC US.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Minovaminovaglobal.com HQ: Greenwood Village, CO, United StatesReported employees: 1,001-5,000 | Greenwood Village, CO, United States | 1,001-5,000 | Exact match | 449 contacts → |
“Minova is an industry leader of ground support and geotechnical solutions for mining, tunnelling and surface ground engineering projects.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 8,427 company matches
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Site investigation companies: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
8,371 records in the displayed employee bands.
56 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 8,427 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 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Site investigation companies by location
34 lists · largest firstEvery Site investigation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Site investigation companies based in the United States1,684
- Site investigation companies based in Brazil699
- Site investigation companies based in the United Kingdom559
- Site investigation companies based in France317
- Site investigation companies based in Italy317
- Site investigation companies based in Australia314
- Site investigation companies based in Canada309
- Site investigation companies based in Germany295
- Site investigation companies based in India267
- Site investigation companies based in Türkiye182
- Site investigation companies based in Spain161
- Site investigation companies based in the Netherlands120
- Site investigation companies based in Chile119
- Site investigation companies based in Peru119
- Site investigation companies based in Colombia117
- Site investigation companies based in Mexico106
- Site investigation companies based in South Africa101
- Site investigation companies based in Indonesia95
- Site investigation companies based in Switzerland91
- Site investigation companies based in Poland81
- Site investigation companies based in New Zealand75
- Site investigation companies based in Malaysia63
- Site investigation companies based in the United Arab Emirates53
- Site investigation companies based in Belgium50
- Site investigation companies based in Argentina49
- Site investigation companies based in Sweden48
- Site investigation companies based in Saudi Arabia44
- Site investigation companies based in Portugal39
- Site investigation companies based in Austria31
- Site investigation companies based in Norway26
- Site investigation companies based in Ireland25
Cities
Questions about this company list
What does Exact match mean for site investigation companies?
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 site investigation companies did RevenueBase find worldwide?
The saved snapshot records 8,427 matching company records, 132,263 tracked contacts and 44,099 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 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 site investigation companies worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/site-investigation-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗