Company lists · Data refreshed November 2026

Top 25 System administration providers based in the United States

RevenueBase identified 1,750 company matches for system administration providers associated with the United States as of November 2026 and tracks 16,623 professional contacts across them, including 5,349 with verified work emails. New York is the largest hub.

This list covers company matches for system administration providers 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,750Companies
16,623Contacts tracked
5,349Verified emails
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The 25 largest system administration providers based in the United States

Ranked by team size
Top 25 of 1,750 company matches for system administration providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRockville, MD, United StatesHQ recorded Nov 6, 2026n/a1,941 contacts →

Exact match

“Established in 1995, GURU is an IT managed service provider that specializes in infrastructure support, systems integration, data architecture, data hosting, and cloud services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMclean, VA, United StatesHQ recorded Nov 6, 2026501-1,000534 contacts →

Exact match

“At Ntiva, growing people (our employees, partners, and clients) is our mission.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 2026n/a159 contacts →

Exact match

“For over twenty five years, SD Tech has been providing IT Support for small and medium-sized businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Rx Technology is San Antonio’s premier family-owned technology partner, specializing in end-to-end IT lifecycle management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPalo Alto, UT, United StatesHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Founded in 2002, Splice is a National and Global provider of IT Services to SMB and Enterprise clients worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOakland, CA, United StatesHQ recorded Nov 6, 2026201-500129 contacts →

Exact match

“Simply put, ProActive Business Solutions takes on all the technology tasks your organization doesn’t have the time or resources to handle on its own.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVista, CA, United StatesHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“Abtech Technologies is a leading IT solutions, support and managed services provider based in Carlsbad California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHowell, NJ, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Tech-Keys provides industry leading IT design, implementation, support and maintenance for small to medium businesses in multiple verticals throughout the US.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBrooklyn, NJ, United StatesHQ recorded Nov 6, 2026201-500107 contacts →

Exact match

“HOCS CONSULTING has been in the business of helping small, medium and large sized business with their IT IT Support needs in New York since 1991.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGoleta, CA, United StatesHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“CIO Solutions is a managed services provider supporting the information technology solutions of small to mid-sized businesses throughout Central California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBurbank, NY, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Jose, NC, United StatesHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“AMS is an industry veteran of designing, building, configuring and maintaining highly reliable system environments for Electronic Design and Automation (EDA) workflows.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 202611-5078 contacts →

Exact match

“Since 1984, United Systems has specialized as a “one-stop” provider for quality technology solutions that combine products with installation and comprehensive support to Oklahoma…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“SMARTECH is the premier provider of complimentary maintenance services to world-class service organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchFlorham Park, NJ, United StatesHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“Online Computers began with a mission to help businesses get a real return on their technology investments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Form 10 Group is a managed IT service provider with over 20 years of experience delivering precision IT logistics with trusted results.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSparks Glencoe, MD, United StatesHQ recorded Nov 6, 202611-5064 contacts →

Exact match

“In a world where technology moves fast, DTC keeps the human connection at the heart of every solution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchFairlawn, OH, United StatesHQ recorded Nov 6, 2026n/a64 contacts →

Exact match

“Think of us as your dedicated outsourced IT department, always ready to address issues promptly, often before you are even aware of them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAnaheim, CA, United StatesHQ recorded Nov 6, 2026n/a61 contacts →

Exact match

“Never Worry About Technology Again.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSanta Clarita, WA, United StatesHQ recorded Nov 6, 202611-5059 contacts →

Exact match

“Datalink Networks is your trusted managed service provider We are a leader in managed IT services, with over 30 years of experience serving small to medium-sized organizations in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchClearwater, FL, United StatesHQ recorded Nov 6, 2026201-50055 contacts →

Exact match

“Vital Network Services was acquired by Vology in 2015.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchChattanooga, TN, United StatesHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Pioneer Technology is a managed services provider (MSP) specializing in managing I.T.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLake Forest, CA, United StatesHQ recorded Nov 6, 2026n/a52 contacts →

Exact match

“Founding partner GA Services LLC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchGreenville, SC, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Most small to mid-size businesses have a ton of tech tools, software, apps, and systems to help them run-and most small to mid-size businesses don’t have the resources (or, quite…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Established in 2003, Xtek Partners, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,750 system administration providers based in the United States

See the full list, filter by size, metro and specialty, and access 5,349 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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System administration providers based in the United States at a glance

As of Nov 6, 2026
32.2%Verified-email coverage
9.5Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,169
11-50
510
51-200
51
201-500
11
501-1,000
4
1,001-5,000
2
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,750 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 “system administration providers” 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 5,349 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 November 6, 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.

System administration providers by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “system administration providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many system administration providers are there based in the United States?

RevenueBase identified 1,750 company matches for system administration providers associated with the United States as of November 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?

GURU tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most system administration providers?

New York leads with 41 company records, followed by Houston (24) and Chicago (23).

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 5,349 professional contacts with verified work emails tracked across these 1,750 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 November 6, 2026.

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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.