Company lists · Data refreshed September 2026
Top 25 IT outsourcing companies based in Houston, United States
RevenueBase identified 120 IT outsourcing companies headquartered in Houston, United States as of September 2026 and tracks 2,807 professional contacts across them, including 441 with verified work emails. New York is the largest hub.
This list covers IT outsourcing companies headquartered in Houston, 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 outsourcing companies based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 523 contacts → | ||||
Strong evidence “Fluxtek Solutions Inc has established a track record as a leading fast growing IT consulting, services, and outsourcing firm.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 185 contacts → | ||||
Indirect evidence “3S Business Corporation is a specialized Software & Consulting Services Provider based in Houston, TX, which helps clients plan, implement and maintain their technology…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 181 contacts → | ||||
Partial evidence “GoNet is an experienced, trusted and cost-effective global IT partner with technology products and services that support your business success.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 179 contacts → | ||||
Strong evidence “EAG is a Houston-based, privately held consulting, back-office outsourcing, and IT outsourcing firm that delivers products and services primarily to the upstream and midstream oil…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 160 contacts → | ||||
Indirect evidence “ECOM is an information technology consulting firm who is a respected leader in providing innovative service and solutions for Fortune companies.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 132 contacts → | ||||
Strong evidence “Aldridge is an IT outsourcing, consulting, and cybersecurity company that specializes in providing best-fit technology solutions to midsize organizations and small organizations…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 126 contacts → | ||||
Indirect evidence “GSD Solutions is a consulting and co-sourcing partner built for companies that need more capability - not more overhead.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 117 contacts → | ||||
Indirect evidence “Codup is a growing software company with clients across 23 countries and has been in business for 10+ focuses on 3 key areas of Solutions: Our deep industry knowledge positions us…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 96 contacts → | ||||
Indirect evidence “American Tech Vision Solutions A Global company, with headquarter in Houston TX and regional office are located in Hyderabad India.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 86 contacts → | ||||
Partial evidence “Information Technology Services Provider IT Managed Services Provider Data Center Services Provider IT Software Development Company Hosted Servers Systems Company IT Help…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 59 contacts → | ||||
Partial evidence “Kanshe Infotech is a leading IT services provider.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 49 contacts → | ||||
Partial evidence “Maddisoft is a full-service IT solutions and services provider headquartered in Houston, Texas, delivering innovative technology solutions to businesses worldwide since 2004.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 42 contacts → | ||||
Indirect evidence “We are a research, development & consulting company-providing software solutions in multi-tier distributed architecture & eCommerce.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 37 contacts → | ||||
Indirect evidence “Eljay Global is a technology based company.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 36 contacts → | ||||
Partial evidence “Technocrats Domain (TCD) has helped enterprise customers build, modernize, and support mission-critical IT systems for 25+ years across the US, UK, Canada, EU, and India.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 34 contacts → | ||||
Partial evidence “Addevice is at the forefront of IT services, aiming to enhance your business's cost efficiency and agility.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 33 contacts → | ||||
Indirect evidence “Since 2001, SunNet Solutions has designed, built, integrated, and maintained mission-critical software for healthcare organizations, educational institutions, government agencies…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 31 contacts → | ||||
Indirect evidence “About Zirlen Zirlen Technologies, Inc.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 26 contacts → | ||||
Partial evidence “Providing outsourcing services that are all integral to core business processes and keeps the business running seamlessly while allowing management to focus on core business…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 22 contacts → | ||||
Partial evidence “We’re Like Having your Best Friend in the IT Business As most small and medium sized businesses can attest to, IT can be a real challenge to manage.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 22 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 21 contacts → | ||||
Partial evidence “At Wright Technologies, we know business is better when IT runs efficiently.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 21 contacts → | ||||
Indirect evidence “Volia Software is a U.S.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 20 contacts → | ||||
Indirect evidence “I.T.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 contacts → | ||||
Partial evidence “iFUSION Inc is a global provider of information technology (IT) services and is one of the industries' fastest growing Leaders.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT outsourcing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names IT outsourcing companies.
- Partial evidence
- Its own public description names part of IT outsourcing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT outsourcing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 120 IT outsourcing companies based in Houston, United States
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IT outsourcing companies based in Houston, United States at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 120 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 outsourcing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Houston, United States whose own description of what they do matches “IT outsourcing companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names IT outsourcing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among IT outsourcing companies, and records with no verified work email. Companies headquartered outside Houston 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 its RevenueBase Smart Search 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, 441 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 14, 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 outsourcing companies by metro in the United States
- IT outsourcing companies in New York181
- IT outsourcing companies in Houston120
- IT outsourcing companies in Dallas105
- IT outsourcing companies in Austin72
- IT outsourcing companies in Irving70
- IT outsourcing companies in Miami70
- IT outsourcing companies in Sheridan65
- IT outsourcing companies in Atlanta63
- IT outsourcing companies in Chicago54
- IT outsourcing companies in Frisco52
- IT outsourcing companies in Princeton50
- IT outsourcing companies in Alpharetta48
- IT outsourcing companies in Los Angeles48
- IT outsourcing companies in Wilmington48
- IT outsourcing companies in Plano47
- IT outsourcing companies in Tampa42
- IT outsourcing companies in San Diego41
- IT outsourcing companies in Fremont38
- IT outsourcing companies in San Francisco37
- IT outsourcing companies in Charlotte36
- IT outsourcing companies in Edison35
- IT outsourcing companies in San Jose35
- IT outsourcing companies in Irvine33
- IT outsourcing companies in Santa Clara33
- IT outsourcing companies in Herndon32
- IT outsourcing companies in Orlando32
- IT outsourcing companies in Phoenix32
- IT outsourcing companies in Jacksonville29
- IT outsourcing companies in Troy29
- IT outsourcing companies in Newark27
- IT outsourcing companies in Las Vegas26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names IT outsourcing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many IT outsourcing companies are there based in Houston, United States?
RevenueBase identified 120 IT outsourcing companies headquartered in Houston, 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?
Fluxtek Solutions INC, headquartered in Houston, tops this list with the largest team on record.
Which city has the most IT outsourcing companies?
New York leads with 181 headquartered companies, followed by Houston (120) and Dallas (105).
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 441 verified decision-maker contacts tracked across these 120 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 14, 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 Smart Search, 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.
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