Company lists · Data refreshed September 2026

Top 25 Plant management consulting firms based in Houston, United States

RevenueBase identified 116 plant management consulting firms headquartered in Houston, United States as of September 2026 and tracks 3,711 professional contacts across them, including 1,565 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers plant management consulting firms 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 29, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
116Companies
3,711Contacts tracked
1,565Verified emails
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The 25 largest plant management consulting firms based in Houston, United States

Ranked by team size
Top 25 of 116 plant management consulting firms based in Houston, United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to plant management consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,0001,112 contacts →

Indirect evidence

“Ranked No.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 2026501-1,000532 contacts →

Indirect evidence

“Ingenero's goal is to be the best process engineering firm by delivering the highest quality service and software solutions at the lowest cost.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 20265,001-10,000434 contacts →

Partial evidence

“With decades of refinery, petrochemical, fertilizer and power plant experience, CAM Industrial Solutions has become the standard in heavy industrial maintenance, turnaround and…”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,000172 contacts →

Partial evidence

“TREES, LLC is a provider of professional vegetation management services to utility and municipal customers nationwide.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,000164 contacts →

Partial evidence

“Everde Growers has 15 farms across the country with over acres in production, growing over plants every year.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-200102 contacts →

Indirect evidence

“We are a respected and innovative solutions provider focusing on process safety, reliability and control.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 2026201-50089 contacts →

Partial evidence

“LMC was incorporated as a landscape management contractor in April of 1980.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5043 contacts →

Partial evidence

“At ALLSERV, we help companies reduce inventory costs, improve warehouse operations, and enhance asset availability through expert consulting and data-driven solutions.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-20031 contacts →

Indirect evidence

“At X/Celerant, we help organizations in Chemicals, Construction, Manufacturing, and Energy unlock trapped value, optimize performance, and drive measurable, lasting results.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-20027 contacts →

Indirect evidence

“Monarch is a full service commercial landscape company that was founded in 2002.”

Source: RevenueBase Database · checked Sep 29, 2026
11Strong evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5027 contacts →

Strong evidence

“Activera Consulting is a boutique management consulting firm based in Houston, Texas, focused on heavy asset industries.”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-20025 contacts →

Partial evidence

“Coastal Spray performs a complete range of vegetation control and management services including chemical, mechanical, and forestry applications.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5020 contacts →

Indirect evidence

“Ascent Engineering, Inc.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-1017 contacts →

Partial evidence

“We are committed to empowering manufacturing and process plants with actionable insights and innovative strategies that drive lean operations, enhance efficiency, and boost…”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5016 contacts →

Partial evidence

“At Spark Thought, we help energy and industrial companies thrive by delivering practical, results-driven consulting in three mission-critical areas: Regulatory Compliance Services…”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5013 contacts →

Partial evidence

“Mariposa Energy Consulting (MEC) equips oil and gas companies to execute with clarity, discipline, and measurable impact.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-509 contacts →

Partial evidence

“Risk Integrity Safety Knowledge, Inc.(RISK, Inc.) is a global safety consulting company offering a full range of technical consulting, training, and staffing services in Process…”

Source: RevenueBase Database · checked Sep 29, 2026
18Strong evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-509 contacts →

Strong evidence

“Consulting firm specialized in business process optimization, performance improvement, and enterprise-level project management.”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-509 contacts →

Partial evidence

“Since 1978, Westney Consulting Group has advised leaders in the energy, chemicals, power, and mining industries, helping them make more informed decisions and achieve more…”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-508 contacts →

Partial evidence

“Advanced Expertise Over 25 years’ Experience in Engineering, Plant Maintenance & Reliability, Mechanical Integrity, Critical Spares, Operational Readiness, Startup Support…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-107 contacts →

Indirect evidence

“At Siege Engineering, we excel in advancing chemical manufacturing technologies, allowing us to ensure safety, lower costs, and faster, reliable outcomes.”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-106 contacts →

Indirect evidence

“Catmasters LLC was formed in 2019 by a team of engineers from leading engineering roles within top tier global technology providers to oil refineries, gas, petrochemical and…”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-506 contacts →

Indirect evidence

“Helping organizations scale smarter, reduce friction, and build systems that actually work, without adding complexity or headcount.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-106 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-106 contacts →

Indirect evidence

“OPF Enterprises, LLC A Different Kind Of Consultant: Boots on the ground leadership and support.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 116 plant management consulting firms based in Houston, United States

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Plant management consulting firms based in Houston, United States at a glance

As of Sep 29, 2026
42.2%Verified-email coverage
32.0Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
79
11-50
25
51-200
4
201-500
2
501-1,000
2
1,001-5,000
3
5,001-10,000
1

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 116 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 plant management consulting firms, 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 “plant management consulting firms”. 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 plant management consulting firms), 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 plant management consulting firms, 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, 1,565 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 29, 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.

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 plant management consulting firms, 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 plant management consulting firms are there based in Houston, United States?

RevenueBase identified 116 plant management consulting firms 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?

Bge, INC, headquartered in Houston, tops this list with the largest team on record.

Which city in the United States has the most plant management consulting firms?

Houston leads the United States with 116 headquartered companies, followed by Atlanta (41) and Dallas (37).

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 1,565 verified decision-maker contacts tracked across these 116 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 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 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.