Company lists · Data refreshed September 2026
Top 25 IT services and consulting firms based in the United States
RevenueBase identified 51,253 company matches for IT services and consulting firms associated with the United States as of September 2026 and tracks 2,076,934 professional contacts across them, including 580,045 with verified work emails and 404,425 with mobile numbers. New York is the largest hub.
This list covers company matches for IT services and consulting firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 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 IT services and consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 82,768 contacts → | ||||
Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 34,875 contacts → | ||||
Exact match “UST is a global digital transformation solutions provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 29,613 contacts → | ||||
Exact match “Virtusa is a global product and platform engineering services company that makes experiences better with technology.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 16,896 contacts → | ||||
Exact match “ZS is a management consulting and technology firm that partners with companies to improve life and how we live it.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 12,891 contacts → | ||||
Exact match “Infinite is a.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 12,820 contacts → | ||||
Exact match “At Synechron, we believe in the power of digital to transform businesses for the better.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 12,815 contacts → | ||||
Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 12,237 contacts → | ||||
Exact match “Movate is a digital technology and customer experience services company committed to disrupting the industry with boundless agility, human-centered innovation, and relentless…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 9,459 contacts → | ||||
Exact match “ICF is a leading global solutions and technology provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 9,184 contacts → | ||||
Exact match “We are thinkers and doers.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 8,779 contacts → | ||||
Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 8,037 contacts → | ||||
Exact match “We are your global partner in tech-integrated business solutions, turning AI ambition into measurable business impact.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 7,769 contacts → | ||||
Exact match “YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 7,753 contacts → | ||||
Exact match “Unleash Your Digital Workplace Potential with Compucom To be at the forefront of your industry, having the right technology is non-negotiable.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 7,360 contacts → | ||||
Exact match “RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 7,339 contacts → | ||||
Exact match “Atos|Syntel is a leading global provider of integrated information technology and knowledge process services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 6,734 contacts → | ||||
Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 6,378 contacts → | ||||
Exact match “CitiusTech is a global technology services, consulting, and business solutions enterprise 100% focused on the healthcare and life sciences industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 6,369 contacts → | ||||
Exact match “CBIZ, Inc.(NYSE: CBZ) is a leading professional services advisor to middle-market businesses nationwide.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 6,160 contacts → | ||||
Exact match “In a world rife with complexity, we help our customers cut through uncertainty, plan strategically, and execute confidently.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 4,877 contacts → | ||||
Exact match “Established in LanceSoft is a pioneer in delivering top-notch Global Workforce Solutions and IT Services to a diverse clientele.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 4,799 contacts → | ||||
Exact match “Innova Solutions is a global technology and talent partner specializing in transformative digital solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 4,608 contacts → | ||||
Exact match “For over 40 years, CGS has enabled global enterprises, regional companies, and government agencies to drive breakthrough performance through business applications, enterprise…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 3,674 contacts → | ||||
Exact match “Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 3,532 contacts → | ||||
Exact match “Apexon is a technology services firm specializing in accelerating business transformation and engineering intelligent enterprises.” Recorded in the RevenueBase company graph · Sep 27, 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 “IT services and consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 51,253 IT services and consulting firms based in the United States
See the full list, filter by size, metro and specialty, and access 580,045 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT services and consulting firms based in the United States at a glance
As of Sep 27, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 91.0dHow 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 “IT services and consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 580,045 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 27, 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 “IT services and consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT services and consulting firms are there based in the United States?
RevenueBase identified 51,253 company matches for IT services and consulting firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
DXC Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT services and consulting firms?
New York leads with 1758 company records, followed by Houston (1097) and Chicago (892).
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 580,045 professional contacts with verified work emails tracked across these 51,253 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 51,253 IT services and consulting firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
IT services and consulting firms by geography
- IT services and consulting firms based in the United Kingdom
- IT services and consulting firms based in Brazil
- IT services and consulting firms based in Germany
- IT services and consulting firms based in France
- IT services and consulting firms based in Canada
- IT services and consulting firms based in Italy
- IT services and consulting firms based in Australia
- IT services and consulting firms based in Spain
- IT services and consulting firms based in the Netherlands
- IT services and consulting firms based in Mexico
- IT services and consulting firms based in South Africa
- IT services and consulting firms based in Sweden
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
- IT services and consulting firms based in the United Kingdom
- IT services and consulting firms based in Brazil
- IT services and consulting firms based in Germany
- IT services and consulting firms based in France
- IT services and consulting firms based in Canada
- IT services and consulting firms based in Italy
Company intelligence · public preview
Top 25 IT services and consulting firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 51,253 matching company records for IT services and consulting firms based in the United States, with 2,076,934 tracked contacts and 580,045 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 27, 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 IT services and consulting firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  DXC Technologydxc.comHQ: Ashburn, VA, United StatesReported employees: 10001+ | Ashburn, VA, United States | 10001+ | Exact match | 82,768 contacts → |
“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  USTust.comHQ: Aliso Viejo, CA, United StatesReported employees: 10001+ | Aliso Viejo, CA, United States | 10001+ | Exact match | 34,875 contacts → |
“UST is a global digital transformation solutions provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Virtusavirtusa.comHQ: Southborough, MA, United StatesReported employees: 10001+ | Southborough, MA, United States | 10001+ | Exact match | 29,613 contacts → |
“Virtusa is a global product and platform engineering services company that makes experiences better with technology.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ZSzs.comHQ: Evanston, IL, United StatesReported employees: 10001+ | Evanston, IL, United States | 10001+ | Exact match | 16,896 contacts → |
“ZS is a management consulting and technology firm that partners with companies to improve life and how we live it.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Infinite Computer Solutionsinfinite.comHQ: Rockville, MD, United StatesReported employees: 10001+ | Rockville, MD, United States | 10001+ | Exact match | 12,891 contacts → |
“Infinite is a.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Synechronsynechron.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 12,820 contacts → |
“At Synechron, we believe in the power of digital to transform businesses for the better.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Guidehouseguidehouse.comHQ: Mclean, VA, United StatesReported employees: 10001+ | Mclean, VA, United States | 10001+ | Exact match | 12,815 contacts → |
“Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Movatemovate.comHQ: Plano, TX, United StatesReported employees: 10001+ | Plano, TX, United States | 10001+ | Exact match | 12,237 contacts → |
“Movate is a digital technology and customer experience services company committed to disrupting the industry with boundless agility, human-centered innovation, and relentless…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  ICFicf.comHQ: Reston, VA, United StatesReported employees: 5,001-10,000 | Reston, VA, United States | 5,001-10,000 | Exact match | 9,459 contacts → |
“ICF is a leading global solutions and technology provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  World Wide Technologywwt.comHQ: Maryland Heights, MO, United StatesReported employees: 10001+ | Maryland Heights, MO, United States | 10001+ | Exact match | 9,184 contacts → |
“We are thinkers and doers.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Protivitiprotiviti.comHQ: Menlo Park, CA, United StatesReported employees: 5,001-10,000 | Menlo Park, CA, United States | 5,001-10,000 | Exact match | 8,779 contacts → |
“Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Ci&tciandt.comHQ: New York, NY, United StatesReported employees: 5,001-10,000 | New York, NY, United States | 5,001-10,000 | Exact match | 8,037 contacts → |
“We are your global partner in tech-integrated business solutions, turning AI ambition into measurable business impact.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Yash Technologiesyash.comHQ: East Moline, IL, United StatesReported employees: 5,001-10,000 | East Moline, IL, United States | 5,001-10,000 | Exact match | 7,769 contacts → |
“YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Compucomcompucom.comHQ: Fort Mill, SC, United StatesReported employees: 5,001-10,000 | Fort Mill, SC, United States | 5,001-10,000 | Exact match | 7,753 contacts → |
“Unleash Your Digital Workplace Potential with Compucom To be at the forefront of your industry, having the right technology is non-negotiable.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  R Systemsrsystems.comHQ: El Dorado Hills, CA, United StatesReported employees: 5,001-10,000 | El Dorado Hills, CA, United States | 5,001-10,000 | Exact match | 7,360 contacts → |
“RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Atos Syntelatos-syntel.netHQ: Troy, MI, United StatesReported employees: 10001+ | Troy, MI, United States | 10001+ | Exact match | 7,339 contacts → |
“Atos|Syntel is a leading global provider of integrated information technology and knowledge process services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  SHI International Corpshi.comHQ: Somerset, NJ, United StatesReported employees: 5,001-10,000 | Somerset, NJ, United States | 5,001-10,000 | Exact match | 6,734 contacts → |
“Think of SHI as your personal technology concierge.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Citiustechcitiustech.comHQ: Princeton, NJ, United StatesReported employees: 5,001-10,000 | Princeton, NJ, United States | 5,001-10,000 | Exact match | 6,378 contacts → |
“CitiusTech is a global technology services, consulting, and business solutions enterprise 100% focused on the healthcare and life sciences industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  CBIZcbiz.comHQ: Independence, OH, United StatesReported employees: 10001+ | Independence, OH, United States | 10001+ | Exact match | 6,369 contacts → |
“CBIZ, Inc.(NYSE: CBZ) is a leading professional services advisor to middle-market businesses nationwide.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Tiger Analyticstigeranalytics.comHQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 6,160 contacts → |
“In a world rife with complexity, we help our customers cut through uncertainty, plan strategically, and execute confidently.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Lancesoft, INClancesoft.comHQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 4,877 contacts → |
“Established in LanceSoft is a pioneer in delivering top-notch Global Workforce Solutions and IT Services to a diverse clientele.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Innova Solutionsinnovasolutions.comHQ: Atlanta, GA, United StatesReported employees: 10001+ | Atlanta, GA, United States | 10001+ | Exact match | 4,799 contacts → |
“Innova Solutions is a global technology and talent partner specializing in transformative digital solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  CGS Computer Generated Solutionscgsinc.comHQ: New York, NY, United StatesReported employees: 5,001-10,000 | New York, NY, United States | 5,001-10,000 | Exact match | 4,608 contacts → |
“For over 40 years, CGS has enabled global enterprises, regional companies, and government agencies to drive breakthrough performance through business applications, enterprise…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Artech L.L.Cartech.comHQ: Morristown, NJ, United StatesReported employees: 5,001-10,000 | Morristown, NJ, United States | 5,001-10,000 | Exact match | 3,674 contacts → |
“Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Apexonapexon.comHQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 3,532 contacts → |
“Apexon is a technology services firm specializing in accelerating business transformation and engineering intelligent enterprises.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 51,253 company matches
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IT services and consulting firms: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
51,180 records in the displayed employee bands.
73 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 91.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 27, 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 IT services and consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT services and consulting firms did RevenueBase find based in the United States?
The saved snapshot records 51,253 matching company records, 2,076,934 tracked contacts and 580,045 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 27, 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
IT services and consulting firms by geography
- IT services and consulting firms based in the United Kingdom
- IT services and consulting firms based in Brazil
- IT services and consulting firms based in Germany
- IT services and consulting firms based in France
- IT services and consulting firms based in Canada
- IT services and consulting firms based in Italy
- IT services and consulting firms based in Australia
- IT services and consulting firms based in Spain
- IT services and consulting firms based in the Netherlands
- IT services and consulting firms based in Mexico
- IT services and consulting firms based in South Africa
- IT services and consulting firms based in Sweden
Cite this list
RevenueBase Data Team. Top 25 IT services and consulting firms based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-services-and-consulting-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT services and consulting firms based in the United Kingdom
- IT services and consulting firms based in Brazil
- IT services and consulting firms based in Germany
- IT services and consulting firms based in France
- IT services and consulting firms based in Canada
- IT services and consulting firms based in Italy
Company intelligence · public preview
Top 25 IT services and consulting firms based in the United States
RevenueBase records 51,253 matching company records for IT services and consulting firms based in the United States, with 2,076,934 tracked contacts and 580,045 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 27, 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 IT services and consulting firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | DXC Technologydxc.com HQ: Ashburn, VA, United StatesReported employees: 10001+ | Ashburn, VA, United States | 10001+ | Exact match | 82,768 contacts → |
“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | USTust.com HQ: Aliso Viejo, CA, United StatesReported employees: 10001+ | Aliso Viejo, CA, United States | 10001+ | Exact match | 34,875 contacts → |
“UST is a global digital transformation solutions provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Virtusavirtusa.com HQ: Southborough, MA, United StatesReported employees: 10001+ | Southborough, MA, United States | 10001+ | Exact match | 29,613 contacts → |
“Virtusa is a global product and platform engineering services company that makes experiences better with technology.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ZSzs.com HQ: Evanston, IL, United StatesReported employees: 10001+ | Evanston, IL, United States | 10001+ | Exact match | 16,896 contacts → |
“ZS is a management consulting and technology firm that partners with companies to improve life and how we live it.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Infinite Computer Solutionsinfinite.com HQ: Rockville, MD, United StatesReported employees: 10001+ | Rockville, MD, United States | 10001+ | Exact match | 12,891 contacts → |
“Infinite is a.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Synechronsynechron.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 12,820 contacts → |
“At Synechron, we believe in the power of digital to transform businesses for the better.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Guidehouseguidehouse.com HQ: Mclean, VA, United StatesReported employees: 10001+ | Mclean, VA, United States | 10001+ | Exact match | 12,815 contacts → |
“Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Movatemovate.com HQ: Plano, TX, United StatesReported employees: 10001+ | Plano, TX, United States | 10001+ | Exact match | 12,237 contacts → |
“Movate is a digital technology and customer experience services company committed to disrupting the industry with boundless agility, human-centered innovation, and relentless…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ICFicf.com HQ: Reston, VA, United StatesReported employees: 5,001-10,000 | Reston, VA, United States | 5,001-10,000 | Exact match | 9,459 contacts → |
“ICF is a leading global solutions and technology provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | World Wide Technologywwt.com HQ: Maryland Heights, MO, United StatesReported employees: 10001+ | Maryland Heights, MO, United States | 10001+ | Exact match | 9,184 contacts → |
“We are thinkers and doers.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Protivitiprotiviti.com HQ: Menlo Park, CA, United StatesReported employees: 5,001-10,000 | Menlo Park, CA, United States | 5,001-10,000 | Exact match | 8,779 contacts → |
“Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ci&tciandt.com HQ: New York, NY, United StatesReported employees: 5,001-10,000 | New York, NY, United States | 5,001-10,000 | Exact match | 8,037 contacts → |
“We are your global partner in tech-integrated business solutions, turning AI ambition into measurable business impact.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Yash Technologiesyash.com HQ: East Moline, IL, United StatesReported employees: 5,001-10,000 | East Moline, IL, United States | 5,001-10,000 | Exact match | 7,769 contacts → |
“YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Compucomcompucom.com HQ: Fort Mill, SC, United StatesReported employees: 5,001-10,000 | Fort Mill, SC, United States | 5,001-10,000 | Exact match | 7,753 contacts → |
“Unleash Your Digital Workplace Potential with Compucom To be at the forefront of your industry, having the right technology is non-negotiable.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | R Systemsrsystems.com HQ: El Dorado Hills, CA, United StatesReported employees: 5,001-10,000 | El Dorado Hills, CA, United States | 5,001-10,000 | Exact match | 7,360 contacts → |
“RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Atos Syntelatos-syntel.net HQ: Troy, MI, United StatesReported employees: 10001+ | Troy, MI, United States | 10001+ | Exact match | 7,339 contacts → |
“Atos|Syntel is a leading global provider of integrated information technology and knowledge process services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | SHI International Corpshi.com HQ: Somerset, NJ, United StatesReported employees: 5,001-10,000 | Somerset, NJ, United States | 5,001-10,000 | Exact match | 6,734 contacts → |
“Think of SHI as your personal technology concierge.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Citiustechcitiustech.com HQ: Princeton, NJ, United StatesReported employees: 5,001-10,000 | Princeton, NJ, United States | 5,001-10,000 | Exact match | 6,378 contacts → |
“CitiusTech is a global technology services, consulting, and business solutions enterprise 100% focused on the healthcare and life sciences industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CBIZcbiz.com HQ: Independence, OH, United StatesReported employees: 10001+ | Independence, OH, United States | 10001+ | Exact match | 6,369 contacts → |
“CBIZ, Inc.(NYSE: CBZ) is a leading professional services advisor to middle-market businesses nationwide.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tiger Analyticstigeranalytics.com HQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 6,160 contacts → |
“In a world rife with complexity, we help our customers cut through uncertainty, plan strategically, and execute confidently.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Lancesoft, INClancesoft.com HQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 4,877 contacts → |
“Established in LanceSoft is a pioneer in delivering top-notch Global Workforce Solutions and IT Services to a diverse clientele.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Innova Solutionsinnovasolutions.com HQ: Atlanta, GA, United StatesReported employees: 10001+ | Atlanta, GA, United States | 10001+ | Exact match | 4,799 contacts → |
“Innova Solutions is a global technology and talent partner specializing in transformative digital solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CGS Computer Generated Solutionscgsinc.com HQ: New York, NY, United StatesReported employees: 5,001-10,000 | New York, NY, United States | 5,001-10,000 | Exact match | 4,608 contacts → |
“For over 40 years, CGS has enabled global enterprises, regional companies, and government agencies to drive breakthrough performance through business applications, enterprise…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Artech L.L.Cartech.com HQ: Morristown, NJ, United StatesReported employees: 5,001-10,000 | Morristown, NJ, United States | 5,001-10,000 | Exact match | 3,674 contacts → |
“Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Apexonapexon.com HQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 3,532 contacts → |
“Apexon is a technology services firm specializing in accelerating business transformation and engineering intelligent enterprises.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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IT services and consulting firms: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
51,180 records in the displayed employee bands.
73 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 91.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 27, 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 IT services and consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT services and consulting firms did RevenueBase find based in the United States?
The saved snapshot records 51,253 matching company records, 2,076,934 tracked contacts and 580,045 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 27, 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
IT services and consulting firms by geography
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- IT services and consulting firms based in Canada
- IT services and consulting firms based in Italy
- IT services and consulting firms based in Australia
- IT services and consulting firms based in Spain
- IT services and consulting firms based in the Netherlands
- IT services and consulting firms based in Mexico
- IT services and consulting firms based in South Africa
- IT services and consulting firms based in Sweden
Cite this list
RevenueBase Data Team. Top 25 IT services and consulting firms based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-services-and-consulting-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- IT services and consulting firms based in the United Kingdom
- IT services and consulting firms based in Brazil
- IT services and consulting firms based in Germany
- IT services and consulting firms based in France
- IT services and consulting firms based in Canada
- IT services and consulting firms based in Italy