Company lists · Data refreshed September 2026

Top 25 IT systems integration firms based in Houston, United States

Name: IT systems integration firms based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 180 companies tracked

RevenueBase identified 180 company matches for IT systems integration firms associated with Houston, United States as of September 2026 and tracks 4,079 professional contacts across them, including 1,110 with verified work emails. Across the United States, New York is the largest hub for this category (224 companies); Houston follows with 180.

This list covers company matches for IT systems integration firms associated with Houston, 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 28, 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 Sep 28, 2026 How this list was built

180Companies

4,079Contacts tracked

1,110Verified emails

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The 25 largest IT systems integration firms based in Houston, United States

Ranked by team size

Top 25 of 180 company matches for IT systems integration firms based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Fluxtek Solutions INC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	523 contacts →
	Exact match “Fluxtek Solutions Inc has established a track record as a leading fast growing IT consulting, services, and outsourcing firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Sira Consulting, An INC 5000 Company	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	201-500	329 contacts →
	Exact match “SiRA Consulting is a Certified MBE consulting company that was founded in 2012.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Cognisive	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	201-500	311 contacts →
	Exact match “Cognisive is an esteemed IT Consulting and Services firm that provides extensive support across multiple technological facets, including web, applications, data, networks, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	MCA Communications, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	207 contacts →
	Exact match “MCA Communications is a Design-Build Technology Integrator specializing in network cabling infrastructure, audio visual installations, wireless solutions, and security solutions…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Stellium INC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	205 contacts →
	Exact match “Stellium is a specialized management consulting firm committed to designing and delivering solutions that improve businesses worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	3s Business Corporation INC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	185 contacts →
	Exact match “3S Business Corporation is a specialized Software & Consulting Services Provider based in Houston, TX, which helps clients plan, implement and maintain their technology…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	ECOM	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	160 contacts →
	Exact match “ECOM is an information technology consulting firm who is a respected leader in providing innovative service and solutions for Fortune companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Fulcrum Technology Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	124 contacts →
	Exact match “The Fulcrum team of technologists are recognized experts in the fields of IT Infrastructure Technology, Security, Service Management and Support.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	MOBIZ	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	115 contacts →
	Exact match “Welcome to Mobiz IT!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Integration Objects	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	106 contacts →
	Exact match “Integration objects is a world-leading systems integrator and solutions provider specialized in operations and manufacturing intelligence, advanced analytics, preventive detection…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Soap Engineering, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	11-50	87 contacts →
	Exact match “We have earned a reputation as a global leader in Design/Build & Systems Integration for more than 30 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Automation Solutions, LP Autosol	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	82 contacts →
	Exact match “AUTOSOL began in October of 1988 as a systems integration and services company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Cloudgen LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	73 contacts →
	Exact match “When the world’s largest banks, retailers, and government agencies seek digital innovation, they rely on CloudGen.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Minisoft Technologies LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	201-500	63 contacts →
	Exact match “Minisoft Solutions Inc – Empowering Businesses Through Innovative IT Services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Prolytx	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	62 contacts →
	Exact match “ProLytX closes the gap between Engineering and I.T.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Maddisoft	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	49 contacts →
	Exact match “Maddisoft is a full-service IT solutions and services provider headquartered in Houston, Texas, delivering innovative technology solutions to businesses worldwide since 2004.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Enterprise Systems	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	11-50	43 contacts →
	Exact match “Enterprise Systems is a systems integrator with offices in Houston, TX, New Orleans LA and Charlotte, NC.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Convergentz	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	11-50	42 contacts →
	Exact match “As a technology leader and master systems integrator, Convergentz integrates IT and traditional building system functions to improve Building Performance, Environmental Comfort…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	3545 Consulting-Global	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	11-50	42 contacts →
	Exact match “3545 Consulting ™ specializes in implementing hardware, software, and service solutions for a variety of businesses, including law firms, legal entities, educational institutions…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Insource Technology	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	11-50	37 contacts →
	Exact match “Insource is a Houston-based information technology services provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Cinesys LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	11-50	33 contacts →
	Exact match “CineSys is a Broadcast and Media Systems Integrator providing solutions, integration and support for digital content creators across North America.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Ascend IT Management Consulting	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	31 contacts →
	Exact match “Ascend is formed by a team of IT Executives who have capitalized on their experience and proven track record to provide efficient and effective solutions for its clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Techknowledge	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	11-50	31 contacts →
	Exact match “TechKnowledge Consulting Corporation is a Information Technology Consulting Company focusing on telecommunications and data systems, audio / visual solutions, security systems…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Connective Talent	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	51-200	30 contacts →
	Exact match “Connective Talent is a national IT services firm founded in 2011.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	EPC Group.Net	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	201-500	30 contacts →
	Exact match “EPC Group is a nationally recognized Microsoft consulting firm helping organizations modernize, migrate, secure, automate, and scale Microsoft cloud, AI, collaboration, and data…” Recorded in the RevenueBase company graph · Sep 28, 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 systems integration 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 180 IT systems integration firms based in Houston, United States

See the full list, filter by size, metro and specialty, and access 1,110 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT systems integration firms based in Houston, United States at a glance

As of Sep 28, 2026

27.2%Verified-email coverage

22.7Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 180 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 Houston, United States whose business descriptions match “IT systems integration 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 1,110 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 28, 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 systems integration firms 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 systems integration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT systems integration firms are there based in Houston, United States?

RevenueBase identified 180 company matches for IT systems integration firms associated with Houston, 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?

Fluxtek Solutions 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 systems integration firms?

New York leads the United States with 224 company records, followed by Houston (180) and Atlanta (119).

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 1,110 professional contacts with verified work emails tracked across these 180 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 28, 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.