Company lists · Data refreshed September 2026

Top 25 Operational technology consulting firms based in Houston, United States

Name: Operational technology consulting 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 29, 2026 279 companies tracked

RevenueBase identified 279 company matches for operational technology consulting firms associated with Houston, United States as of September 2026 and tracks 8,389 professional contacts across them, including 2,127 with verified work emails. Across the United States, New York is the largest hub for this category (280 companies); Houston follows with 279.

This list covers company matches for operational technology consulting 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 29, 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 29, 2026 How this list was built

279Companies

8,389Contacts tracked

2,127Verified emails

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The 25 largest operational technology consulting firms based in Houston, United States

Ranked by team size

Top 25 of 279 company matches for operational technology consulting firms based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	PAS	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	201-500	1,231 contacts →
	Exact match “PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Englobal	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	201-500	1,183 contacts →
	Exact match “Who We Are Englobal Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Intech Automation & Intelligence	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	501-1,000	879 contacts →
	Exact match “INTECH Automation & Intelligence is a globally renowned industrial automation & digitalization technology company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Ingenero	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	501-1,000	532 contacts →
	Exact match “Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Sira Consulting, An INC 5000 Company	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6	Amerapex	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	501-1,000	280 contacts →
	Exact match “Amerapex Corporation is a technology, engineering and industrial services company based in Houston, TX with operations globally, offering technical expertise in processes and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Recode Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	201-500	173 contacts →
	Exact match “Recode Solutions is a specialized Industry 4.0 technology services company, focused on accelerating digital transformation for our clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Fulcrum Technology Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
9	Acet Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	201-500	106 contacts →
	Exact match “ACET SOLUTIONS is a global OT Cybersecurity and Digital Transformation company serving the critical infrastructure industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Integration Objects	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
11	Everline	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	201-500	102 contacts →
	Exact match “EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Sis-Tech	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	51-200	102 contacts →
	Exact match “We are a respected and innovative solutions provider focusing on process safety, reliability and control.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Newton Vision CO	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	51-200	101 contacts →
	Exact match “We are a modern consulting firm that partners with organizations to align strategy, people, and technology to maximize enterprise value.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Qadworks	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	51-200	95 contacts →
	Exact match “QADWorks is a Texas based IT consulting company founded in 2019.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Soap Engineering, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
16	Antares Tech	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	11-50	61 contacts →
	Exact match “ANTARES TECH SERVICES is a company focused on the automation and information technology services market, with strong experience in steel firms, providing consulting services…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Cognascents Consulting Group	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	51-200	54 contacts →
	Exact match “Cognascents brings process safety and asset integrity expertise together under one roof.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Pilko & Associates	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	11-50	50 contacts →
	Exact match “We are the trusted Advisor to corporate officers and boards on mitigating Operational/EHS Risks and unlocking value for global energy, chemical and industrial companies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Erdos Miller	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	11-50	47 contacts →
	Exact match “Our clients believe they can change the market with their idea, and they need a technology partner to come alongside them and challenge, vet, and better that idea.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	TRU Solutions	Exact match	Houston, United StatesHQ recorded Sep 29, 2026	51-200	46 contacts →
	Exact match “We are TRU, and we deliver simple digital solutions to safeguard critical industrial assets.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	3545 Consulting-Global	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
22	Priserve Consulting INC	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	51-200	38 contacts →
	Exact match “PriServe Group company engaged in Technology and Engineering Services” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Indigo Beam Consulting	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	51-200	37 contacts →
	Exact match “Indigo Beam Consulting represents a common sense approach to solving business problems through technology.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Approach Controls, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	11-50	34 contacts →
	Exact match “Approach Controls is a top provider of reliable instrumentation, control systems, and data management.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	X Celerant	Exact match	Houston, TX, United StatesHQ recorded Sep 29, 2026	51-200	31 contacts →
	Exact match “At X/Celerant, we help organizations in Chemicals, Construction, Manufacturing, and Energy unlock trapped value, optimize performance, and drive measurable, lasting results.” Recorded in the RevenueBase company graph · Sep 29, 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 “operational technology consulting 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 279 operational technology consulting firms based in Houston, United States

See the full list, filter by size, metro and specialty, and access 2,127 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operational technology consulting firms based in Houston, United States at a glance

As of Sep 29, 2026

25.4%Verified-email coverage

30.1Average contacts per company

11-50Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

138

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 279 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 “operational technology consulting 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 2,127 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 29, 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.

Operational technology consulting 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 “operational technology consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operational technology consulting firms are there based in Houston, United States?

RevenueBase identified 279 company matches for operational technology consulting 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?

PAS 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 operational technology consulting firms?

New York leads the United States with 280 company records, followed by Houston (279) and Chicago (151).

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 2,127 professional contacts with verified work emails tracked across these 279 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 29, 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.