Company lists · Data refreshed September 2026

Top 25 IT operations consulting firms based in Fairfax, United States

Name: IT operations consulting firms based in Fairfax, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 69 companies tracked

RevenueBase identified 69 IT operations consulting firms headquartered in Fairfax, United States as of September 2026 and tracks 2,578 professional contacts across them, including 491 with verified work emails. New York is the largest hub.

This list covers IT operations consulting firms headquartered in Fairfax, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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 HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

69Companies

2,578Contacts tracked

491Verified emails

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The 25 largest IT operations consulting firms based in Fairfax, United States

Ranked by team size

Top 25 of 69 IT operations consulting firms based in Fairfax, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names IT operations consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	IonideaIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	1,001-5,000	780
	Source: company website · checked Sep 4, 2026
2	CC PaceIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	399
	“CC Pace is a trusted partner with 40+ years of experience helping organizations achieve lasting success.” Source: company website · checked Sep 4, 2026
3	Nationwide IT Services, INCPartial evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	201-500	194
	“Nationwide IT Services, Inc.(NIS) is designated 8(a) by the SBA, and a CVE verified Service Disabled Veteran Owned Small Business (SDVOSB) Information Technology (IT) and…” Source: company website · checked Sep 4, 2026
4	Concept Plus, LLCIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	201-500	168
	“Concept Plus is a technology services company offering deep technical expertise, an experienced team, and a dedication to maximizing business productivity.” Source: company website · checked Sep 4, 2026
5	ICS Nett, Inc. ICSIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	144
	“ICS is a strategically diversified technology solutions company operating in different markets serving both Federal and Commercial clients with innovations that span…” Source: company website · checked Sep 4, 2026
6	Hadiamondstar Software Solutions LLCStrong evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	99
	“Hadiamondstar Software Solutions LLC Known as is a leading Global Consulting and IT Services company, offering a wide array of solutions ranging from strategy consulting right…” Source: company website · checked Sep 4, 2026
7	Widelity, INCPartial evidence	Fairfax, United StatesHQ checked Sep 4, 2026	51-200	91
	“Founded in 2006, Widelity is a leading provider of business and network engineering consulting to global technology driven industries.” Source: company website · checked Sep 4, 2026
8	InalabStrong evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	90
	“Inalab is a leading IT solutions and strategy consulting firm focused on providing solutions that transform enterprise operations in the government and commercial sectors by…” Source: company website · checked Sep 4, 2026
9	Luzon Technologies INCIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	65
	“We RECRUIT, We TRAIN, and We STAFF Transforming Challenges into Opportunities!” Source: company website · checked Sep 4, 2026
10	CodeplusIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	49
	“At CODEplus, we go beyond traditional technology providers to become your dedicated solution partner.” Source: company website · checked Sep 4, 2026
11	Technova SystemsPartial evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	49
	“TechNova Systems is a technology consulting and workforce solutions company helping organizations build, scale, and modernize with confidence for 10 Years.” Source: company website · checked Sep 4, 2026
12	M3 Technology Consultants, INCPartial evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	28
	“Trust Your IT Systems to Work.” Source: company website · checked Sep 4, 2026
13	Vizens CorpIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	19
	“VIZENS Corp is Software development & services company.” Source: company website · checked Sep 4, 2026
14	TellengerPartial evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	13
	“Tellenger specializes in software development, enterprise IT and cloud solutions.” Source: company website · checked Sep 4, 2026
15	Symposit LLCStrong evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	12
	“Symposit LLC is an advisory management firm that specializes in leveraging information technology (IT) to provide value to it's clients by optimizing operations, reducing risk…” Source: company website · checked Sep 4, 2026
16	TitanprozPartial evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	11
	“At TitanProz, we empower organizations to achieve strategic growth by combining expert consulting with the latest in AI and automation.” Source: company website · checked Sep 4, 2026
17	Lumik LLCIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	1-10	10
	“Lumik provides solutions to help your business evolve in this digital age by implementing technologies that will help you do business better.” Source: company website · checked Sep 4, 2026
18	Powerhouse Unlimited ServicesIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	10
	“Powerhouse Unlimited Services (PHUS) is a customer-obsessed US enterprise that helps businesses all over the world through strategic business transformation, outsourcing…” Source: company website · checked Sep 4, 2026
19	Sysalgo TechnologiesIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	51-200	10
	“We help Clients implement today’s latest Digital Technologies to Innovate, Transform and rapidly Grow.” Source: company website · checked Sep 4, 2026
20	Tharu Technologies LLCStrong evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	10
	“Tharu Technologies is a Global IT professional consulting Company.” Source: company website · checked Sep 4, 2026
21	Xcelerator GroupIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	9
	“The Xcelerator Group was founded to help companies expand their businesses.” Source: company website · checked Sep 4, 2026
22	TOP Corner ConsultingStrong evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	8
	“Top Corner Consulting specializes in helping organizations establish and implement clear, innovative strategies that drastically improve operations and performance.” Source: company website · checked Sep 4, 2026
23	Vanguard Management Solutions, INCIndirect evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	8
	“Vanguard Management Solutions (VMGTS) is a minority-owned cybersecurity and technology firm serving government and commercial organizations.” Source: company website · checked Sep 4, 2026
24	Invex Technology SolutionsPartial evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	1-10	6
	“We develop cost-effective innovative consulting and technology solutions to CIO’s, systems engineering and architecture organizations, and implementation teams through dependable…” Source: company website · checked Sep 4, 2026
25	Clarus Consulting LLCPartial evidence	Fairfax, VA, United StatesHQ checked Sep 4, 2026	11-50	5
	“Clarus Consulting was created as a Limited Liability Company in Virginia in April Clarus has private clients in financial services, education finance, information technology, and…” Source: company website · checked Sep 4, 2026

Showing 25 of 69 IT operations consulting firms based in Fairfax, United States

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IT operations consulting firms based in Fairfax, United States at a glance

As of Sep 4, 2026

11-50Median size (employees)

New YorkLargest hub · 859 HQs

Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Fairfax, over 69 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among IT operations consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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: Companies headquartered in Fairfax, United States whose own description of what they do matches “IT operations consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among IT operations consulting firms, and records with no verified work email. Companies headquartered outside Fairfax are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 491 across the full list. 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 4, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

IT operations consulting firms by metro in the United States

Frequently asked

How many IT operations consulting firms are there based in Fairfax, United States?

RevenueBase identified 69 IT operations consulting firms headquartered in Fairfax, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Ionidea, headquartered in Fairfax, tops this list with the largest team on record.

Which city has the most IT operations consulting firms?

New York leads with 859 headquartered companies, followed by Houston (536) and Chicago (451).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 491 verified decision-maker contacts tracked across these 69 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 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.