Company lists · Data refreshed October 2026
Top 25 Instrumentation and control contractors based in Houston, United States
RevenueBase identified 114 company matches for instrumentation and control contractors associated with Houston, United States as of October 2026 and tracks 5,814 professional contacts across them, including 1,655 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for instrumentation and control contractors 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 October 16, 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.
The 25 largest instrumentation and control contractors based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,203 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 2 | 899 contacts → | ||||
Exact match “INTECH Automation & Intelligence is a globally renowned industrial automation & digitalization technology company.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 3 | 573 contacts → | ||||
Exact match “Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 4 | 220 contacts → | ||||
Exact match “GIL Automation is a leading provider of industrial products and services related to Instrumentation, Measurement, Safety, Electrical, Automation and Mechanical Systems.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 5 | 172 contacts → | ||||
Exact match “Expanse Electrical Company is a premier provider of integrated electrical infrastructure, instrumentation and automation system solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 6 | 142 contacts → | ||||
Exact match “VersaTech Automation Services is a 50 year old company with 500+ people and $90M+ in annual sales.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 7 | 140 contacts → | ||||
Exact match “Since 1956, CEC Energy LLC, formally Coonrod Electric Co, Inc.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 8 | 124 contacts → | ||||
Exact match “Founded in 1980, Agar Corporation is a family owned operated business and a leading pioneer of process measurement and control systems and services within the energy sector.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 9 | 123 contacts → | ||||
Exact match “Since 1993, DAC has been committed to delivering exceptional customer experience, effective project execution, and value-oriented services.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 10 | 112 contacts → | ||||
Exact match “Relevant Solutions is the preferred provider of process equipment solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 11 | 109 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 12 | 108 contacts → | ||||
Exact match “Unify Energy Solutions is a Building Automation Systems provider in Houston, Beaumont; Central, and South Texas; as well as Colorado and Wyoming.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 13 | 108 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 14 | 100 contacts → | ||||
Exact match “We are a respected and innovative solutions provider focusing on process safety, reliability and control.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 15 | 68 contacts → | ||||
Exact match “At Bayou Electrical Services, we believe that great projects start with great people.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 16 | 66 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 17 | 52 contacts → | ||||
Exact match “Sitewide Project Solutions provides Instrumentation, Electrical and Mechanical Project Support.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 18 | 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 19 | 41 contacts → | ||||
Exact match “Parijat Controlware Inc.(Parijat or PCI) is a controls systems integrator since 1989, has been a strong player in the controls, automation industry.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 20 | 32 contacts → | ||||
Exact match “TTI OIL, is a Texas based company that provides first class service to the oil and gas industry throughout most of the world.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 21 | 32 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 22 | 31 contacts → | ||||
Exact match “Approach Controls is a top provider of reliable instrumentation, control systems, and data management.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 23 | 28 contacts → | ||||
Exact match “Since 2018, ICS Holding has collaborated with our subsidiary companies to offer a broad spectrum of specialized electrical and instrumentation services.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 24 | 21 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 25 | 21 contacts → | ||||
Exact match “TAG is a recognized leader in providing system independent, specialized technical and management services for the implementation of process control system projects in the…” Recorded in the RevenueBase company graph · Oct 16, 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 “instrumentation and control contractors”. 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 114 instrumentation and control contractors based in Houston, United States
See the full list, filter by size, metro and specialty, and access 1,655 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Instrumentation and control contractors based in Houston, United States at a glance
As of Oct 16, 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 114 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 “instrumentation and control 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 1,655 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 October 16, 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.
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 “instrumentation and control contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many instrumentation and control contractors are there based in Houston, United States?
RevenueBase identified 114 company matches for instrumentation and control contractors associated with Houston, United States as of October 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?
Englobal 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 instrumentation and control contractors?
Houston leads the United States with 114 company records, followed by Miami (21) and Indianapolis (19).
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 1,655 professional contacts with verified work emails tracked across these 114 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 October 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 114 instrumentation and control contractors based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Instrumentation and control contractors by geography
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- Instrumentation and control contractors based in Rio De Janeiro, Brazil
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- Instrumentation and control contractors based in Calgary, Canada
- Instrumentation and control contractors based in Edmonton, Canada
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- Instrumentation and control contractors based in Santiago, Chile
- Instrumentation and control contractors based in Bogota, Colombia
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Instrumentation and control contractors based in Buenos Aires, Argentina
- Instrumentation and control contractors based in Perth, Australia
- Instrumentation and control contractors based in Belo Horizonte, Brazil
- Instrumentation and control contractors based in Campinas, Brazil
- Instrumentation and control contractors based in Curitiba, Brazil
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Company intelligence · public preview
Top 25 instrumentation and control contractors based in Houston, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 114 matching company records for instrumentation and control contractors based in Houston, United States, with 5,814 tracked contacts and 1,655 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 instrumentation and control contractors based in Houston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Englobalenglobal.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,203 contacts → |
“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 description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Intech Automation & Intelligenceintechww.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 899 contacts → |
“INTECH Automation & Intelligence is a globally renowned industrial automation & digitalization technology company.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  W-Industriesw-industries.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 573 contacts → |
“Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | GIL Automationsgilautomation.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 220 contacts → |
“GIL Automation is a leading provider of industrial products and services related to Instrumentation, Measurement, Safety, Electrical, Automation and Mechanical Systems.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Expanse Electrical COexpanseelectrical.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 172 contacts → |
“Expanse Electrical Company is a premier provider of integrated electrical infrastructure, instrumentation and automation system solutions.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Versatech Automation Services, LLCvtechas.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 142 contacts → |
“VersaTech Automation Services is a 50 year old company with 500+ people and $90M+ in annual sales.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | CEC Energycecnrg.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 140 contacts → |
“Since 1956, CEC Energy LLC, formally Coonrod Electric Co, Inc.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Agar Corporation, INCagarcorp.comHQ: Houston, United StatesReported employees: 51-200 | Houston, United States | 51-200 | Exact match | 124 contacts → |
“Founded in 1980, Agar Corporation is a family owned operated business and a leading pioneer of process measurement and control systems and services within the energy sector.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Dac, INCdac-inc.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 123 contacts → |
“Since 1993, DAC has been committed to delivering exceptional customer experience, effective project execution, and value-oriented services.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Relevant Industrial, LLCrelevantsolutions.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 112 contacts → |
“Relevant Solutions is the preferred provider of process equipment solutions.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Integration Objectsintegrationobjects.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 109 contacts → |
“Integration objects is a world-leading systems integrator and solutions provider specialized in operations and manufacturing intelligence, advanced analytics, preventive detection…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Unify Energy Solutionsunifytexas.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 108 contacts → |
“Unify Energy Solutions is a Building Automation Systems provider in Houston, Beaumont; Central, and South Texas; as well as Colorado and Wyoming.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Soap Engineering, LLCsoapeng.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 108 contacts → |
“We have earned a reputation as a global leader in Design/Build & Systems Integration for more than 30 years.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sis-Techsis-tech.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 100 contacts → |
“We are a respected and innovative solutions provider focusing on process safety, reliability and control.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Bayou Electrical Servicesbayouelectrical.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 68 contacts → |
“At Bayou Electrical Services, we believe that great projects start with great people.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wolfenson Electric INCwolfenson.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 66 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Sitewide Project Solutionssitewideps.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 52 contacts → |
“Sitewide Project Solutions provides Instrumentation, Electrical and Mechanical Project Support.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Erdos Millererdosmiller.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 47 contacts → |
“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 description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Parijat Controlware INCparijat.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 41 contacts → |
“Parijat Controlware Inc.(Parijat or PCI) is a controls systems integrator since 1989, has been a strong player in the controls, automation industry.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | TTI OILttioil.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 32 contacts → |
“TTI OIL, is a Texas based company that provides first class service to the oil and gas industry throughout most of the world.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  ICP DAS Usa, INCicpdasusa.comHQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Approach Controls, INCapproachci.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 31 contacts → |
“Approach Controls is a top provider of reliable instrumentation, control systems, and data management.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ICS Holding, LLCicsholdingllc.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 28 contacts → |
“Since 2018, ICS Holding has collaborated with our subsidiary companies to offer a broad spectrum of specialized electrical and instrumentation services.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  GEA Of Texas, INCgeaoftexas.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  The Automation Grouptagsite.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 21 contacts → |
“TAG is a recognized leader in providing system independent, specialized technical and management services for the implementation of process control system projects in the…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 114 company matches
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Instrumentation and control contractors: dataset insights
October 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
114 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 114 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for instrumentation and control contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many instrumentation and control contractors did RevenueBase find based in Houston, United States?
The saved snapshot records 114 matching company records, 5,814 tracked contacts and 1,655 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Instrumentation and control contractors by geography
- Instrumentation and control contractors based in Buenos Aires, Argentina
- Instrumentation and control contractors based in Perth, Australia
- Instrumentation and control contractors based in Belo Horizonte, Brazil
- Instrumentation and control contractors based in Campinas, Brazil
- Instrumentation and control contractors based in Curitiba, Brazil
- Instrumentation and control contractors based in Rio De Janeiro, Brazil
- Instrumentation and control contractors based in Sao Paulo, Brazil
- Instrumentation and control contractors based in Calgary, Canada
- Instrumentation and control contractors based in Edmonton, Canada
- Instrumentation and control contractors based in Toronto, Canada
- Instrumentation and control contractors based in Santiago, Chile
- Instrumentation and control contractors based in Bogota, Colombia
Cite this list
RevenueBase Data Team. Top 25 instrumentation and control contractors based in Houston, United States. Snapshot: October 16, 2026. https://revenuebase.ai/companies/instrumentation-and-control-contractors/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Instrumentation and control contractors based in Buenos Aires, Argentina
- Instrumentation and control contractors based in Perth, Australia
- Instrumentation and control contractors based in Belo Horizonte, Brazil
- Instrumentation and control contractors based in Campinas, Brazil
- Instrumentation and control contractors based in Curitiba, Brazil
- Instrumentation and control contractors based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 25 instrumentation and control contractors based in Houston, United States
RevenueBase records 114 matching company records for instrumentation and control contractors based in Houston, United States, with 5,814 tracked contacts and 1,655 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 instrumentation and control contractors based in Houston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Englobalenglobal.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,203 contacts → |
“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 description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Intech Automation & Intelligenceintechww.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 899 contacts → |
“INTECH Automation & Intelligence is a globally renowned industrial automation & digitalization technology company.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | W-Industriesw-industries.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 573 contacts → |
“Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | GIL Automationsgilautomation.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 220 contacts → |
“GIL Automation is a leading provider of industrial products and services related to Instrumentation, Measurement, Safety, Electrical, Automation and Mechanical Systems.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Expanse Electrical COexpanseelectrical.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 172 contacts → |
“Expanse Electrical Company is a premier provider of integrated electrical infrastructure, instrumentation and automation system solutions.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Versatech Automation Services, LLCvtechas.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 142 contacts → |
“VersaTech Automation Services is a 50 year old company with 500+ people and $90M+ in annual sales.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | CEC Energycecnrg.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 140 contacts → |
“Since 1956, CEC Energy LLC, formally Coonrod Electric Co, Inc.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Agar Corporation, INCagarcorp.com HQ: Houston, United StatesReported employees: 51-200 | Houston, United States | 51-200 | Exact match | 124 contacts → |
“Founded in 1980, Agar Corporation is a family owned operated business and a leading pioneer of process measurement and control systems and services within the energy sector.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Dac, INCdac-inc.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 123 contacts → |
“Since 1993, DAC has been committed to delivering exceptional customer experience, effective project execution, and value-oriented services.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Relevant Industrial, LLCrelevantsolutions.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 112 contacts → |
“Relevant Solutions is the preferred provider of process equipment solutions.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Integration Objectsintegrationobjects.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 109 contacts → |
“Integration objects is a world-leading systems integrator and solutions provider specialized in operations and manufacturing intelligence, advanced analytics, preventive detection…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Unify Energy Solutionsunifytexas.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 108 contacts → |
“Unify Energy Solutions is a Building Automation Systems provider in Houston, Beaumont; Central, and South Texas; as well as Colorado and Wyoming.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Soap Engineering, LLCsoapeng.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 108 contacts → |
“We have earned a reputation as a global leader in Design/Build & Systems Integration for more than 30 years.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sis-Techsis-tech.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 100 contacts → |
“We are a respected and innovative solutions provider focusing on process safety, reliability and control.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Bayou Electrical Servicesbayouelectrical.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 68 contacts → |
“At Bayou Electrical Services, we believe that great projects start with great people.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wolfenson Electric INCwolfenson.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 66 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Sitewide Project Solutionssitewideps.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 52 contacts → |
“Sitewide Project Solutions provides Instrumentation, Electrical and Mechanical Project Support.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Erdos Millererdosmiller.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 47 contacts → |
“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 description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Parijat Controlware INCparijat.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 41 contacts → |
“Parijat Controlware Inc.(Parijat or PCI) is a controls systems integrator since 1989, has been a strong player in the controls, automation industry.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | TTI OILttioil.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 32 contacts → |
“TTI OIL, is a Texas based company that provides first class service to the oil and gas industry throughout most of the world.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ICP DAS Usa, INCicpdasusa.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Approach Controls, INCapproachci.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 31 contacts → |
“Approach Controls is a top provider of reliable instrumentation, control systems, and data management.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ICS Holding, LLCicsholdingllc.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 28 contacts → |
“Since 2018, ICS Holding has collaborated with our subsidiary companies to offer a broad spectrum of specialized electrical and instrumentation services.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | GEA Of Texas, INCgeaoftexas.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | The Automation Grouptagsite.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 21 contacts → |
“TAG is a recognized leader in providing system independent, specialized technical and management services for the implementation of process control system projects in the…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 114 company matches
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Instrumentation and control contractors: dataset insights
October 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
114 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 114 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for instrumentation and control contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many instrumentation and control contractors did RevenueBase find based in Houston, United States?
The saved snapshot records 114 matching company records, 5,814 tracked contacts and 1,655 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 instrumentation and control contractors based in Houston, United States. Snapshot: October 16, 2026. https://revenuebase.ai/companies/instrumentation-and-control-contractors/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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