Company lists · Data refreshed October 2026
Top 25 Government laboratory facilities contractors based in the United States
RevenueBase identified 187 company matches for government laboratory facilities contractors associated with the United States as of October 2026 and tracks 29,864 professional contacts across them, including 8,580 with verified work emails. Chantilly is the largest hub.
This list covers company matches for government laboratory facilities contractors 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 October 13, 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 government laboratory facilities contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 615 contacts → | ||||
Exact match “HX5, LLC has specialized in providing professional support services to meet the needs of Federal Government organizations since its incorporation in 2004.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 467 contacts → | ||||
Exact match “Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with our clients to overcome their most challenging environmental, technical, and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 319 contacts → | ||||
Exact match “Peerless Technologies Corporation is a nationally recognized, award-winning, and reputable business serving federal government clients at more than 25 locations nationwide.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 312 contacts → | ||||
Exact match “Planate Management Group (PMG) is a global leader in delivering engineering, construction and program management solutions that support mission success in complex and high-risk…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 252 contacts → | ||||
Exact match “For nearly 40 years, Conti Federal Services has delivered on-time and on-budget performance for some of the US Federal Government’s most challenging projects by operating…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 242 contacts → | ||||
Exact match “NVE, established in 2003, is dedicated to optimizing U.S.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 242 contacts → | ||||
Exact match “Global Science & Technology was founded in 1991.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 197 contacts → | ||||
Exact match “Government Scientific Source is a leading distributor of scientific lab supplies and equipment dedicated to the government.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 192 contacts → | ||||
Exact match “King George specializing in general contracting and construction management, Base Operations Support (BOS) services, O&M, vehicles and equipment maintenance, call centers…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 128 contacts → | ||||
Exact match “Founded in New Mexico in 1975, Los Alamos Technical Associates provides technical and project management services to a varied clientèle including federal agencies, state…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 116 contacts → | ||||
Exact match “GEM Technologies, Inc.(GEM) is an award-winning federal contractor with more than 30 years of experience providing environmental, construction, facility management, and technical…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 115 contacts → | ||||
Exact match “AEPS provides superior services to US Government agencies in the areas of security, facilities maintenance, hospital maintenance, training, and waste disposal.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 113 contacts → | ||||
Exact match “Venesco, LLC is a premier government contractor delivering Healthcare, IT, Research & Development, and a range of mission‑critical services to federal agencies.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 109 contacts → | ||||
Exact match “Stoller Newport News Nuclear (SN3), part of HII Technical Solutions Nuclear & Environmental group, is a leading provider of technical, environmental, ecological, waste management…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 102 contacts → | ||||
Exact match “Transtecs Corporation is a professional services firm with over 20 years experience in providing technical, scientific, management, and logistics support services to industry and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 96 contacts → | ||||
Exact match “As a recognized leader in the Chemical and Biological Defense (CBD) community, we will continually strive to provide a distinguishably high level of innovative, proactive…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 90 contacts → | ||||
Exact match “LCS is a design-builder and service provider for laboratories and technical facilities.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 89 contacts → | ||||
Exact match “Since incorporating in January of 2001, P&S Construction has successfully completed projects for the Department of Labor, U.S.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 88 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 75 contacts → | ||||
Exact match “Patrona Corporation is a DoD federal contractor providing program management, engineering, strategic and operational planning, quality assurance, financial management, and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 66 contacts → | ||||
Exact match “Island Creek Associates, LLC is a Maryland-based small business, certified as 8(a), EDWOSB/WOSB, and SDB, with a focus on supporting the Department of Defense (DoD) and state…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 63 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 62 contacts → | ||||
Exact match “Since 1997, Erica Lane Enterprises, Inc.(eLe) has been a part of the evolution of our national defense comprising technological, scientific and conservation endeavors.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 59 contacts → | ||||
Exact match “Toeroek Associates is a provider of specialty analysts and services to the Federal Government in National Security and Environmental Protection.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 50 contacts → | ||||
Exact match “Since 1997, EML has assembled and provided a diverse set of innovative and quality products, supplies, and services to private sector companies, federal, state and local…” Recorded in the RevenueBase company graph · Oct 13, 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 “government laboratory facilities contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 187 government laboratory facilities contractors based in the United States
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Government laboratory facilities contractors based in the United States at a glance
As of Oct 13, 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 187 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 “government laboratory facilities contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 8,580 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 13, 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.
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 “government laboratory facilities contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many government laboratory facilities contractors are there based in the United States?
RevenueBase identified 187 company matches for government laboratory facilities contractors associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Hx5, LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most government laboratory facilities contractors?
Chantilly leads with 5 company records, followed by San Antonio (5) and Albuquerque (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 8,580 professional contacts with verified work emails tracked across these 187 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 187 government laboratory facilities contractors based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- New lists
- AI companies based in the United States
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Company intelligence · public preview
Top 25 government laboratory facilities contractors 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 187 matching company records for government laboratory facilities contractors based in the United States, with 29,864 tracked contacts and 8,580 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 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 government laboratory facilities contractors 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 |  Hx5, LLChxfive.comHQ: Fort Walton Beach, FL, United StatesReported employees: 1,001-5,000 | Fort Walton Beach, FL, United States | 1,001-5,000 | Exact match | 615 contacts → |
“HX5, LLC has specialized in providing professional support services to meet the needs of Federal Government organizations since its incorporation in 2004.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Navarro Research And Engineeringnavarro-inc.comHQ: Oak Ridge, TN, United StatesReported employees: 201-500 | Oak Ridge, TN, United States | 201-500 | Exact match | 467 contacts → |
“Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with our clients to overcome their most challenging environmental, technical, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Peerless Technologies Corporationepeerless.com HQ: Fairborn, OH, United StatesReported employees: 201-500 | Fairborn, OH, United States | 201-500 | Exact match | 319 contacts → |
“Peerless Technologies Corporation is a nationally recognized, award-winning, and reputable business serving federal government clients at more than 25 locations nationwide.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Planate Management Groupplanate.comHQ: Alexandria, VA, United StatesReported employees: 201-500 | Alexandria, VA, United States | 201-500 | Exact match | 312 contacts → |
“Planate Management Group (PMG) is a global leader in delivering engineering, construction and program management solutions that support mission success in complex and high-risk…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Conti Federal Servicescontifederal.com HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 252 contacts → |
“For nearly 40 years, Conti Federal Services has delivered on-time and on-budget performance for some of the US Federal Government’s most challenging projects by operating…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NVEnvecorp.com HQ: Herndon, VA, United StatesReported employees: 201-500 | Herndon, VA, United States | 201-500 | Exact match | 242 contacts → |
“NVE, established in 2003, is dedicated to optimizing U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Greenbelt, MD, United StatesReported employees: 51-200 | Greenbelt, MD, United States | 51-200 | Exact match | 242 contacts → |
“Global Science & Technology was founded in 1991.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Government Scientific Sourcegovsci.com HQ: Reston, VA, United StatesReported employees: 201-500 | Reston, VA, United States | 201-500 | Exact match | 197 contacts → |
“Government Scientific Source is a leading distributor of scientific lab supplies and equipment dedicated to the government.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | King & George, LLCkinggeorge.us HQ: Fort Worth, TX, United StatesReported employees: 1,001-5,000 | Fort Worth, TX, United States | 1,001-5,000 | Exact match | 192 contacts → |
“King George specializing in general contracting and construction management, Base Operations Support (BOS) services, O&M, vehicles and equipment maintenance, call centers…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  LATAlata.comHQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 128 contacts → |
“Founded in New Mexico in 1975, Los Alamos Technical Associates provides technical and project management services to a varied clientèle including federal agencies, state…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | GEM Technologies, INCgemtechnologiesinc.com HQ: Knoxville, TN, United StatesReported employees: 201-500 | Knoxville, TN, United States | 201-500 | Exact match | 116 contacts → |
“GEM Technologies, Inc.(GEM) is an award-winning federal contractor with more than 30 years of experience providing environmental, construction, facility management, and technical…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Aeps Corporationaepscorp.com HQ: Leander, TX, United StatesReported employees: 501-1,000 | Leander, TX, United States | 501-1,000 | Exact match | 115 contacts → |
“AEPS provides superior services to US Government agencies in the areas of security, facilities maintenance, hospital maintenance, training, and waste disposal.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Venesco, LLCvenesco.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 113 contacts → |
“Venesco, LLC is a premier government contractor delivering Healthcare, IT, Research & Development, and a range of mission‑critical services to federal agencies.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Stoller Newport News Nuclear Sn3 , A Subsidiary Of Huntington Ingalls Industriestsd.huntingtoningalls.comHQ: Broomfield, CO, United StatesReported employees: 501-1,000 | Broomfield, CO, United States | 501-1,000 | Exact match | 109 contacts → |
“Stoller Newport News Nuclear (SN3), part of HII Technical Solutions Nuclear & Environmental group, is a leading provider of technical, environmental, ecological, waste management…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Transtecs Corporationtranstecs.comHQ: Wichita, KS, United StatesReported employees: 201-500 | Wichita, KS, United States | 201-500 | Exact match | 102 contacts → |
“Transtecs Corporation is a professional services firm with over 20 years experience in providing technical, scientific, management, and logistics support services to industry and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  JRADjrad.usHQ: Stafford, VA, United StatesReported employees: 51-200 | Stafford, VA, United States | 51-200 | Exact match | 96 contacts → |
“As a recognized leader in the Chemical and Biological Defense (CBD) community, we will continually strive to provide a distinguishably high level of innovative, proactive…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | LCS Constructorslcslab.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 90 contacts → |
“LCS is a design-builder and service provider for laboratories and technical facilities.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | P&s Construction, INCpsconstruction.net HQ: North Chelmsford, MA, United StatesReported employees: 51-200 | North Chelmsford, MA, United States | 51-200 | Exact match | 89 contacts → |
“Since incorporating in January of 2001, P&S Construction has successfully completed projects for the Department of Labor, U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Eit, INCeitinc.net HQ: Egg Harbor Township, NJ, United StatesReported employees: 51-200 | Egg Harbor Township, NJ, United States | 51-200 | Exact match | 88 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  Patrona Corporationpatronacorp.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 75 contacts → |
“Patrona Corporation is a DoD federal contractor providing program management, engineering, strategic and operational planning, quality assurance, financial management, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Island Creek Associates, LLC Island Creekicassoc.com HQ: California, MD, United StatesReported employees: 51-200 | California, MD, United States | 51-200 | Exact match | 66 contacts → |
“Island Creek Associates, LLC is a Maryland-based small business, certified as 8(a), EDWOSB/WOSB, and SDB, with a focus on supporting the Department of Defense (DoD) and state…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Nitelines Usa, INCnitelinesusa.com HQ: Duluth, GA, United StatesReported employees: 201-500 | Duluth, GA, United States | 201-500 | Exact match | 63 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Erica Lane Enterprises, INCeleinc.com HQ: Huntsville, AL, United StatesReported employees: 201-500 | Huntsville, AL, United States | 201-500 | Exact match | 62 contacts → |
“Since 1997, Erica Lane Enterprises, Inc.(eLe) has been a part of the evolution of our national defense comprising technological, scientific and conservation endeavors.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Toeroek Associates, INCtoeroek.com HQ: Lakewood, CO, United StatesReported employees: 51-200 | Lakewood, CO, United States | 51-200 | Exact match | 59 contacts → |
“Toeroek Associates is a provider of specialty analysts and services to the Federal Government in National Security and Environmental Protection.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 50 contacts → |
“Since 1997, EML has assembled and provided a diverse set of innovative and quality products, supplies, and services to private sector companies, federal, state and local…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 187 company matches
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Government laboratory facilities contractors: dataset insights
October 13, 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
187 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 187 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 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 ↗
Questions about this company list
What does Exact match mean for government laboratory facilities contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many government laboratory facilities contractors did RevenueBase find based in the United States?
The saved snapshot records 187 matching company records, 29,864 tracked contacts and 8,580 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 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
Cite this list
RevenueBase Data Team. Top 25 government laboratory facilities contractors based in the United States. Snapshot: October 13, 2026. https://revenuebase.ai/companies/government-laboratory-facilities-contractors/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
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 government laboratory facilities contractors based in the United States
RevenueBase records 187 matching company records for government laboratory facilities contractors based in the United States, with 29,864 tracked contacts and 8,580 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 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 government laboratory facilities contractors 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 | Hx5, LLChxfive.com HQ: Fort Walton Beach, FL, United StatesReported employees: 1,001-5,000 | Fort Walton Beach, FL, United States | 1,001-5,000 | Exact match | 615 contacts → |
“HX5, LLC has specialized in providing professional support services to meet the needs of Federal Government organizations since its incorporation in 2004.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Navarro Research And Engineeringnavarro-inc.com HQ: Oak Ridge, TN, United StatesReported employees: 201-500 | Oak Ridge, TN, United States | 201-500 | Exact match | 467 contacts → |
“Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with our clients to overcome their most challenging environmental, technical, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Peerless Technologies Corporationepeerless.com HQ: Fairborn, OH, United StatesReported employees: 201-500 | Fairborn, OH, United States | 201-500 | Exact match | 319 contacts → |
“Peerless Technologies Corporation is a nationally recognized, award-winning, and reputable business serving federal government clients at more than 25 locations nationwide.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Planate Management Groupplanate.com HQ: Alexandria, VA, United StatesReported employees: 201-500 | Alexandria, VA, United States | 201-500 | Exact match | 312 contacts → |
“Planate Management Group (PMG) is a global leader in delivering engineering, construction and program management solutions that support mission success in complex and high-risk…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Conti Federal Servicescontifederal.com HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 252 contacts → |
“For nearly 40 years, Conti Federal Services has delivered on-time and on-budget performance for some of the US Federal Government’s most challenging projects by operating…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NVEnvecorp.com HQ: Herndon, VA, United StatesReported employees: 201-500 | Herndon, VA, United States | 201-500 | Exact match | 242 contacts → |
“NVE, established in 2003, is dedicated to optimizing U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Greenbelt, MD, United StatesReported employees: 51-200 | Greenbelt, MD, United States | 51-200 | Exact match | 242 contacts → |
“Global Science & Technology was founded in 1991.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Government Scientific Sourcegovsci.com HQ: Reston, VA, United StatesReported employees: 201-500 | Reston, VA, United States | 201-500 | Exact match | 197 contacts → |
“Government Scientific Source is a leading distributor of scientific lab supplies and equipment dedicated to the government.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | King & George, LLCkinggeorge.us HQ: Fort Worth, TX, United StatesReported employees: 1,001-5,000 | Fort Worth, TX, United States | 1,001-5,000 | Exact match | 192 contacts → |
“King George specializing in general contracting and construction management, Base Operations Support (BOS) services, O&M, vehicles and equipment maintenance, call centers…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | LATAlata.com HQ: Albuquerque, NM, United StatesReported employees: 51-200 | Albuquerque, NM, United States | 51-200 | Exact match | 128 contacts → |
“Founded in New Mexico in 1975, Los Alamos Technical Associates provides technical and project management services to a varied clientèle including federal agencies, state…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | GEM Technologies, INCgemtechnologiesinc.com HQ: Knoxville, TN, United StatesReported employees: 201-500 | Knoxville, TN, United States | 201-500 | Exact match | 116 contacts → |
“GEM Technologies, Inc.(GEM) is an award-winning federal contractor with more than 30 years of experience providing environmental, construction, facility management, and technical…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Aeps Corporationaepscorp.com HQ: Leander, TX, United StatesReported employees: 501-1,000 | Leander, TX, United States | 501-1,000 | Exact match | 115 contacts → |
“AEPS provides superior services to US Government agencies in the areas of security, facilities maintenance, hospital maintenance, training, and waste disposal.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Venesco, LLCvenesco.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 113 contacts → |
“Venesco, LLC is a premier government contractor delivering Healthcare, IT, Research & Development, and a range of mission‑critical services to federal agencies.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Stoller Newport News Nuclear Sn3 , A Subsidiary Of Huntington Ingalls Industriestsd.huntingtoningalls.com HQ: Broomfield, CO, United StatesReported employees: 501-1,000 | Broomfield, CO, United States | 501-1,000 | Exact match | 109 contacts → |
“Stoller Newport News Nuclear (SN3), part of HII Technical Solutions Nuclear & Environmental group, is a leading provider of technical, environmental, ecological, waste management…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Transtecs Corporationtranstecs.com HQ: Wichita, KS, United StatesReported employees: 201-500 | Wichita, KS, United States | 201-500 | Exact match | 102 contacts → |
“Transtecs Corporation is a professional services firm with over 20 years experience in providing technical, scientific, management, and logistics support services to industry and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | JRADjrad.us HQ: Stafford, VA, United StatesReported employees: 51-200 | Stafford, VA, United States | 51-200 | Exact match | 96 contacts → |
“As a recognized leader in the Chemical and Biological Defense (CBD) community, we will continually strive to provide a distinguishably high level of innovative, proactive…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | LCS Constructorslcslab.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 90 contacts → |
“LCS is a design-builder and service provider for laboratories and technical facilities.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | P&s Construction, INCpsconstruction.net HQ: North Chelmsford, MA, United StatesReported employees: 51-200 | North Chelmsford, MA, United States | 51-200 | Exact match | 89 contacts → |
“Since incorporating in January of 2001, P&S Construction has successfully completed projects for the Department of Labor, U.S.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Eit, INCeitinc.net HQ: Egg Harbor Township, NJ, United StatesReported employees: 51-200 | Egg Harbor Township, NJ, United States | 51-200 | Exact match | 88 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Patrona Corporationpatronacorp.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 75 contacts → |
“Patrona Corporation is a DoD federal contractor providing program management, engineering, strategic and operational planning, quality assurance, financial management, and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Island Creek Associates, LLC Island Creekicassoc.com HQ: California, MD, United StatesReported employees: 51-200 | California, MD, United States | 51-200 | Exact match | 66 contacts → |
“Island Creek Associates, LLC is a Maryland-based small business, certified as 8(a), EDWOSB/WOSB, and SDB, with a focus on supporting the Department of Defense (DoD) and state…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Nitelines Usa, INCnitelinesusa.com HQ: Duluth, GA, United StatesReported employees: 201-500 | Duluth, GA, United States | 201-500 | Exact match | 63 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Erica Lane Enterprises, INCeleinc.com HQ: Huntsville, AL, United StatesReported employees: 201-500 | Huntsville, AL, United States | 201-500 | Exact match | 62 contacts → |
“Since 1997, Erica Lane Enterprises, Inc.(eLe) has been a part of the evolution of our national defense comprising technological, scientific and conservation endeavors.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Toeroek Associates, INCtoeroek.com HQ: Lakewood, CO, United StatesReported employees: 51-200 | Lakewood, CO, United States | 51-200 | Exact match | 59 contacts → |
“Toeroek Associates is a provider of specialty analysts and services to the Federal Government in National Security and Environmental Protection.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 50 contacts → |
“Since 1997, EML has assembled and provided a diverse set of innovative and quality products, supplies, and services to private sector companies, federal, state and local…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 187 company matches
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Government laboratory facilities contractors: dataset insights
October 13, 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
187 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 187 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 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 ↗
Questions about this company list
What does Exact match mean for government laboratory facilities contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many government laboratory facilities contractors did RevenueBase find based in the United States?
The saved snapshot records 187 matching company records, 29,864 tracked contacts and 8,580 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 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
Cite this list
RevenueBase Data Team. Top 25 government laboratory facilities contractors based in the United States. Snapshot: October 13, 2026. https://revenuebase.ai/companies/government-laboratory-facilities-contractors/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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