Company lists · Data refreshed September 2026
Top 25 Seismic engineering staffing companies based in the United States
RevenueBase identified 1,524 company matches for seismic engineering staffing companies associated with the United States as of September 2026 and tracks 36,958 professional contacts across them, including 14,257 with verified work emails. Houston is the largest hub.
This list covers company matches for seismic engineering staffing companies 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 seismic engineering staffing companies based in the United States
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 29, 2026 · View company records in RevenueBase | |||||
| 2 | 1,234 contacts → | ||||
Exact match “Let us make construction staffing work for you.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 1,187 contacts → | ||||
Exact match “TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 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 29, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 584 contacts → | ||||
Exact match “A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 582 contacts → | ||||
Exact match “Founded in 1968, Raba Kistner Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 521 contacts → | ||||
Exact match “SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 494 contacts → | ||||
Exact match “Trillium Construction Services has over a quarter of a century of experience in the construction recruiting industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 479 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 468 contacts → | ||||
Exact match “For the last sixty years Entegee has provided Fortune 500 and other companies with highly qualified engineering and technical personnel.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 402 contacts → | ||||
Exact match “Sterling is an award-winning professional engineering consulting and technical staffing company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 311 contacts → | ||||
Exact match “Ardaman & Associates, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 299 contacts → | ||||
Exact match “Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 282 contacts → | ||||
Exact match “ENGEO Incorporated is an award-winning, employee-owned comprehensive provider of more than 400 geotechnical and civil engineers, geologists, GIS experts, environmental scientists…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 262 contacts → | ||||
Exact match “Progressive is a global staffing company connecting STEM talent with leading companies in the Power and Utilities, Renewable Energy, Oil and Gas, and Manufacturing industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 250 contacts → | ||||
Exact match “CTS - Complete Technical Services, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 218 contacts → | ||||
Exact match “Founded in 1975, Computers and Structures, Inc.(CSI) is recognized globally as the pioneering leader in software tools for structural and earthquake engineering.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 215 contacts → | ||||
Exact match “Incorporated in 1997, GeoTek is a full service consulting engineering firm specializing in geotechnical engineering, construction materials testing, special inspection, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 197 contacts → | ||||
Exact match “Geocon is a California corporation established in 1971 as a professional engineering consulting firm providing comprehensive geotechnical engineering, geotechnical…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 189 contacts → | ||||
Exact match “CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 187 contacts → | ||||
Exact match “Resource Options Inc.(ROI) provides custom staffing solutions to the design, construction, environmental, & emergency response industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 182 contacts → | ||||
Exact match “ITS has been a leader in the engineering, technical and professional recruiting field since 1984.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 176 contacts → | ||||
Exact match “United Consulting is a multi-disciplined engineering consulting firm located in Norcross, Georgia.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 174 contacts → | ||||
Exact match “SCI Engineering, Inc.(SCI) is a nationwide, multi-discipline professional consulting engineering firm that provides comprehensive services across all phases of project development…” 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 “seismic engineering staffing 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 1,524 seismic engineering staffing companies based in the United States
See the full list, filter by size, metro and specialty, and access 14,257 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Seismic engineering staffing companies 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 1,524 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 “seismic engineering staffing 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. 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 14,257 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.
Seismic engineering staffing companies 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 “seismic engineering staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many seismic engineering staffing companies are there based in the United States?
RevenueBase identified 1,524 company matches for seismic engineering staffing companies 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?
Terracon tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most seismic engineering staffing companies?
Houston leads with 53 company records, followed by New York (28) and San Francisco (24).
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 14,257 professional contacts with verified work emails tracked across these 1,524 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 1,524 seismic engineering staffing companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Seismic engineering staffing companies by geography
- Seismic engineering staffing companies based in Belo Horizonte, Brazil
- Seismic engineering staffing companies based in Sao Paulo, Brazil
- Seismic engineering staffing companies based in Calgary, Canada
- Seismic engineering staffing companies based in Auckland, New Zealand
- Seismic engineering staffing companies based in London, United Kingdom
- Seismic engineering staffing companies based in Houston, United States
- Seismic engineering staffing companies based in New York, United States
- Seismic engineering staffing companies based in Australia
- Seismic engineering staffing companies based in Belgium
- Seismic engineering staffing companies based in Brazil
- Seismic engineering staffing companies based in Canada
- Seismic engineering staffing companies based in Chile
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
- Seismic engineering staffing companies based in Belo Horizonte, Brazil
- Seismic engineering staffing companies based in Sao Paulo, Brazil
- Seismic engineering staffing companies based in Calgary, Canada
- Seismic engineering staffing companies based in Auckland, New Zealand
- Seismic engineering staffing companies based in London, United Kingdom
- Seismic engineering staffing companies based in Houston, United States
Company intelligence · public preview
Top 25 seismic engineering staffing companies 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 1,524 matching company records for seismic engineering staffing companies based in the United States, with 36,958 tracked contacts and 14,257 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 seismic engineering staffing companies 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 |  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. | |||||
| 2 |  Construction Labor Contractorspowerlaborusa.comHQ: Round Rock, TX, United StatesReported employees: 501-1,000 | Round Rock, TX, United States | 501-1,000 | Exact match | 1,234 contacts → |
“Let us make construction staffing work for you.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  TRS Staffing Solutionstrsstaffing.comHQ: Greenville, United StatesReported employees: 201-500 | Greenville, United States | 201-500 | Exact match | 1,187 contacts → |
“TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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. | |||||
| 6 |  Volt Technical Resourcesvolt.comHQ: Orange, CA, United StatesReported employees: 5,001-10,000 | Orange, CA, United States | 5,001-10,000 | Exact match | 584 contacts → |
“A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Saexplorationsaexploration.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 521 contacts → |
“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Trillium Construction Servicestrilliumconstruction.netHQ: Kalamazoo, MI, United StatesReported employees: 201-500 | Kalamazoo, MI, United States | 201-500 | Exact match | 494 contacts → |
“Trillium Construction Services has over a quarter of a century of experience in the construction recruiting industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Geoengineers INCgeoengineers.comHQ: Redmond, WA, United StatesReported employees: 201-500 | Redmond, WA, United States | 201-500 | Exact match | 479 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  Entegeeentegee.comHQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 468 contacts → |
“For the last sixty years Entegee has provided Fortune 500 and other companies with highly qualified engineering and technical personnel.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sterling Engineeringsterling-engineering.comHQ: Westchester, IL, United StatesReported employees: 501-1,000 | Westchester, IL, United States | 501-1,000 | Exact match | 402 contacts → |
“Sterling is an award-winning professional engineering consulting and technical staffing company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ardaman & Associatesardaman.comHQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 311 contacts → |
“Ardaman & Associates, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Annapolis Junction, MD, United StatesReported employees: 201-500 | Annapolis Junction, MD, United States | 201-500 | Exact match | 299 contacts → |
“Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ENGEOengeo.comHQ: San Ramon, CA, United StatesReported employees: 201-500 | San Ramon, CA, United States | 201-500 | Exact match | 282 contacts → |
“ENGEO Incorporated is an award-winning, employee-owned comprehensive provider of more than 400 geotechnical and civil engineers, geologists, GIS experts, environmental scientists…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Progressiveprogressiverecruitment.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 262 contacts → |
“Progressive is a global staffing company connecting STEM talent with leading companies in the Power and Utilities, Renewable Energy, Oil and Gas, and Manufacturing industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  CTS Complete Technical Servicesctstechnical.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 250 contacts → |
“CTS - Complete Technical Services, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Computers And Structures, INCcsiamerica.comHQ: Walnut Creek, CA, United StatesReported employees: 51-200 | Walnut Creek, CA, United States | 51-200 | Exact match | 218 contacts → |
“Founded in 1975, Computers and Structures, Inc.(CSI) is recognized globally as the pioneering leader in software tools for structural and earthquake engineering.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Geotekgeotekusa.comHQ: Las Vegas, NV, United StatesReported employees: 201-500 | Las Vegas, NV, United States | 201-500 | Exact match | 215 contacts → |
“Incorporated in 1997, GeoTek is a full service consulting engineering firm specializing in geotechnical engineering, construction materials testing, special inspection, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Geocongeoconinc.comHQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 197 contacts → |
“Geocon is a California corporation established in 1971 as a professional engineering consulting firm providing comprehensive geotechnical engineering, geotechnical…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CTL Thompsonctlt.comHQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 189 contacts → |
“CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Resource Options, INCresourceoptions.com HQ: Needham, MA, United StatesReported employees: Not recorded | Needham, MA, United States | Not recorded | Exact match | 187 contacts → |
“Resource Options Inc.(ROI) provides custom staffing solutions to the design, construction, environmental, & emergency response industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Integrated Talent Strategies ITSwehirepeople.comHQ: Holland, OH, United StatesReported employees: 501-1,000 | Holland, OH, United States | 501-1,000 | Exact match | 182 contacts → |
“ITS has been a leader in the engineering, technical and professional recruiting field since 1984.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | United Consultingunitedconsulting.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 176 contacts → |
“United Consulting is a multi-disciplined engineering consulting firm located in Norcross, Georgia.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SCI Engineering, INCsciengineering.com HQ: St. Charles, MO, United StatesReported employees: 51-200 | St. Charles, MO, United States | 51-200 | Exact match | 174 contacts → |
“SCI Engineering, Inc.(SCI) is a nationwide, multi-discipline professional consulting engineering firm that provides comprehensive services across all phases of project development…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,524 company matches
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Seismic engineering staffing companies: 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
1,522 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,524 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 ↗
Seismic engineering staffing companies by metro
Questions about this company list
What does Exact match mean for seismic engineering staffing 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 seismic engineering staffing companies did RevenueBase find based in the United States?
The saved snapshot records 1,524 matching company records, 36,958 tracked contacts and 14,257 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
Seismic engineering staffing companies by geography
- Seismic engineering staffing companies based in Belo Horizonte, Brazil
- Seismic engineering staffing companies based in Sao Paulo, Brazil
- Seismic engineering staffing companies based in Calgary, Canada
- Seismic engineering staffing companies based in Auckland, New Zealand
- Seismic engineering staffing companies based in London, United Kingdom
- Seismic engineering staffing companies based in Houston, United States
- Seismic engineering staffing companies based in New York, United States
- Seismic engineering staffing companies based in Australia
- Seismic engineering staffing companies based in Belgium
- Seismic engineering staffing companies based in Brazil
- Seismic engineering staffing companies based in Canada
- Seismic engineering staffing companies based in Chile
Cite this list
RevenueBase Data Team. Top 25 seismic engineering staffing companies based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/seismic-engineering-staffing-companies/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
- Seismic engineering staffing companies based in Belo Horizonte, Brazil
- Seismic engineering staffing companies based in Sao Paulo, Brazil
- Seismic engineering staffing companies based in Calgary, Canada
- Seismic engineering staffing companies based in Auckland, New Zealand
- Seismic engineering staffing companies based in London, United Kingdom
- Seismic engineering staffing companies based in Houston, United States
Company intelligence · public preview
Top 25 seismic engineering staffing companies based in the United States
RevenueBase records 1,524 matching company records for seismic engineering staffing companies based in the United States, with 36,958 tracked contacts and 14,257 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 seismic engineering staffing companies 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 | 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. | |||||
| 2 | Construction Labor Contractorspowerlaborusa.com HQ: Round Rock, TX, United StatesReported employees: 501-1,000 | Round Rock, TX, United States | 501-1,000 | Exact match | 1,234 contacts → |
“Let us make construction staffing work for you.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | TRS Staffing Solutionstrsstaffing.com HQ: Greenville, United StatesReported employees: 201-500 | Greenville, United States | 201-500 | Exact match | 1,187 contacts → |
“TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | Volt Technical Resourcesvolt.com HQ: Orange, CA, United StatesReported employees: 5,001-10,000 | Orange, CA, United States | 5,001-10,000 | Exact match | 584 contacts → |
“A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Saexplorationsaexploration.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 521 contacts → |
“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Trillium Construction Servicestrilliumconstruction.net HQ: Kalamazoo, MI, United StatesReported employees: 201-500 | Kalamazoo, MI, United States | 201-500 | Exact match | 494 contacts → |
“Trillium Construction Services has over a quarter of a century of experience in the construction recruiting industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Geoengineers INCgeoengineers.com HQ: Redmond, WA, United StatesReported employees: 201-500 | Redmond, WA, United States | 201-500 | Exact match | 479 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Entegeeentegee.com HQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 468 contacts → |
“For the last sixty years Entegee has provided Fortune 500 and other companies with highly qualified engineering and technical personnel.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sterling Engineeringsterling-engineering.com HQ: Westchester, IL, United StatesReported employees: 501-1,000 | Westchester, IL, United States | 501-1,000 | Exact match | 402 contacts → |
“Sterling is an award-winning professional engineering consulting and technical staffing company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ardaman & Associatesardaman.com HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 311 contacts → |
“Ardaman & Associates, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Annapolis Junction, MD, United StatesReported employees: 201-500 | Annapolis Junction, MD, United States | 201-500 | Exact match | 299 contacts → |
“Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ENGEOengeo.com HQ: San Ramon, CA, United StatesReported employees: 201-500 | San Ramon, CA, United States | 201-500 | Exact match | 282 contacts → |
“ENGEO Incorporated is an award-winning, employee-owned comprehensive provider of more than 400 geotechnical and civil engineers, geologists, GIS experts, environmental scientists…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Progressiveprogressiverecruitment.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 262 contacts → |
“Progressive is a global staffing company connecting STEM talent with leading companies in the Power and Utilities, Renewable Energy, Oil and Gas, and Manufacturing industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | CTS Complete Technical Servicesctstechnical.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 250 contacts → |
“CTS - Complete Technical Services, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Computers And Structures, INCcsiamerica.com HQ: Walnut Creek, CA, United StatesReported employees: 51-200 | Walnut Creek, CA, United States | 51-200 | Exact match | 218 contacts → |
“Founded in 1975, Computers and Structures, Inc.(CSI) is recognized globally as the pioneering leader in software tools for structural and earthquake engineering.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Geotekgeotekusa.com HQ: Las Vegas, NV, United StatesReported employees: 201-500 | Las Vegas, NV, United States | 201-500 | Exact match | 215 contacts → |
“Incorporated in 1997, GeoTek is a full service consulting engineering firm specializing in geotechnical engineering, construction materials testing, special inspection, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Geocongeoconinc.com HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 197 contacts → |
“Geocon is a California corporation established in 1971 as a professional engineering consulting firm providing comprehensive geotechnical engineering, geotechnical…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CTL Thompsonctlt.com HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 189 contacts → |
“CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Resource Options, INCresourceoptions.com HQ: Needham, MA, United StatesReported employees: Not recorded | Needham, MA, United States | Not recorded | Exact match | 187 contacts → |
“Resource Options Inc.(ROI) provides custom staffing solutions to the design, construction, environmental, & emergency response industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Integrated Talent Strategies ITSwehirepeople.com HQ: Holland, OH, United StatesReported employees: 501-1,000 | Holland, OH, United States | 501-1,000 | Exact match | 182 contacts → |
“ITS has been a leader in the engineering, technical and professional recruiting field since 1984.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | United Consultingunitedconsulting.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 176 contacts → |
“United Consulting is a multi-disciplined engineering consulting firm located in Norcross, Georgia.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SCI Engineering, INCsciengineering.com HQ: St. Charles, MO, United StatesReported employees: 51-200 | St. Charles, MO, United States | 51-200 | Exact match | 174 contacts → |
“SCI Engineering, Inc.(SCI) is a nationwide, multi-discipline professional consulting engineering firm that provides comprehensive services across all phases of project development…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Seismic engineering staffing companies: 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
1,522 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,524 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 ↗
Seismic engineering staffing companies by metro
Questions about this company list
What does Exact match mean for seismic engineering staffing 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 seismic engineering staffing companies did RevenueBase find based in the United States?
The saved snapshot records 1,524 matching company records, 36,958 tracked contacts and 14,257 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
Seismic engineering staffing companies by geography
- Seismic engineering staffing companies based in Belo Horizonte, Brazil
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Cite this list
RevenueBase Data Team. Top 25 seismic engineering staffing companies based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/seismic-engineering-staffing-companies/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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- Seismic engineering staffing companies based in Belo Horizonte, Brazil
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