Company lists · Data refreshed November 2026

Top 25 IT contractors based in Baltimore, United States

RevenueBase identified 41 company matches for IT contractors associated with Baltimore, United States as of November 2026 and tracks 1,197 professional contacts across them, including 354 with verified work emails. Across the United States, New York is the largest hub for this category (234 companies); Baltimore has 41.

This list covers company matches for IT contractors associated with Baltimore, 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 5, 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 5, 2026 How this list was built
41Companies
1,197Contacts tracked
354Verified emails
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The 25 largest IT contractors based in Baltimore, United States

Ranked by team size
Top 25 of 41 company matches for IT contractors based in Baltimore, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchBaltimore, MD, United StatesHQ recorded Nov 5, 202651-200172 contacts →

Exact match

“Serigor provides IT Services and IT staffing to Government and Commercial enterprises of all sizes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202651-200106 contacts →

Exact match

“A3 Consulting LLC is a minority owned, SBA SDB and HUBZone certified information technology consulting and technology services firm providing a focused set of information…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202651-20092 contacts →

Exact match

“The Canton Group is a business technology services firm empowering government agencies and enterprise organizations to modernize, automate, and secure mission-critical systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-5074 contacts →

Exact match

“CAREERS Headquartered in Baltimore, Maryland, SYSCOM, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-5064 contacts →

Exact match

“BITHGROUP connects technology, operations, and people to help organizations solve complex challenges and see them through.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202651-20051 contacts →

Exact match

“ARSIEM Corporation is a proven and trusted partner to its government clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202651-20048 contacts →

Exact match

“RDTS employs innovative and driven IT professionals who provide risk-managed, state-of-the-art information technology services to our customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-5045 contacts →

Exact match

“Founded in 2010, Que Technology Group (QTG), Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-5032 contacts →

Exact match

“Visionary Technologies is a Technology Consulting firm headquartered in the Baltimore area which services businesses of all sizes throughout Maryland, D.C, and Virginia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202651-20032 contacts →

Exact match

“DTI Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202651-20029 contacts →

Exact match

“Global Commerce & Information, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202651-20021 contacts →

Exact match

“NetSEA is acutely aware of the challenges faced by government clients in optimizing budgets while adhering to critical timelines and complex/evolving mission requirements.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“Systone is an SBA certified 8(a) small business enterprise with a mission to empower government agencies and organizations with innovative technology solutions that drive…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“Femdel has become an innovative leader in the information technology industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Founded in 2010 by a United States Navy Veteran and a federal government employee, DUIT is a woman owned and minority owned information technology company that has quickly emerged…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBaltimore, United StatesHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Lucidus Solutions (Lucidus) is an Information Technology company that has earned a reputation for providing exceptional services and support to clients since our founding in 2006.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-507 contacts →

Exact match

“Precision Management Solutions (PMS) is a Minority and Woman Owned Small Business (MBE/WBE/DBE/SBE certified) headquartered in Baltimore, Maryland.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-505 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-505 contacts →

Exact match

“We provide Cloud Architecture, Data Analytics, Security Infrastructure and Application Development services to federal and commercial clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Welcome to Kemet!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Imperial Cyber Group LLC is the premier information technology firm in the United States.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“At RYE Tech, we pride ourselves on our advanced perspective and innovative approach to management consulting services and IT solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 202611-502 contacts →

Exact match

“We are a full service staffing and I.T.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchBaltimore, MD, United StatesHQ recorded Nov 5, 20261-101 contacts →

Exact match

“From deploying desktops with new software, systems, and applications to taking one phone call on a printer problem, Hands of Support certified IT professionals covers the entire…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 41 IT contractors based in Baltimore, United States

See the full list, filter by size, metro and specialty, and access 354 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT contractors based in Baltimore, United States at a glance

As of Nov 5, 2026
29.6%Verified-email coverage
29.2Average contacts per company
11-50Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
12
11-50
18
51-200
11

Email recency for this list is measured across the whole United States list rather than for Baltimore, so it is reported there. Company counts and contact totals on this page are exact for Baltimore, over 41 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 Baltimore, United States whose business descriptions match “IT 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 354 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 5, 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.

IT contractors by metro in the United States

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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT contractors are there based in Baltimore, United States?

RevenueBase identified 41 company matches for IT contractors associated with Baltimore, 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?

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

Which city in the United States has the most IT contractors?

New York leads the United States with 234 company records, followed by Houston (191) and Washington (161). Baltimore has 41.

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 354 professional contacts with verified work emails tracked across these 41 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 5, 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.