Company lists · Data refreshed September 2026

Top 21 Mechanical engineering companies based in Houston, United States

Name: Mechanical engineering companies based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 58 companies tracked

RevenueBase identified 58 company matches for mechanical engineering companies associated with Houston, United States as of September 2026 and tracks 500 professional contacts across them, including 154 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for mechanical engineering companies 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 17, 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 17, 2026 How this list was built

58Companies

500Contacts tracked

154Verified emails

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The 21 largest mechanical engineering companies based in Houston, United States

Ranked by team size

Top 21 of 58 company matches for mechanical engineering companies based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Decon LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	55 contacts →
	Exact match “MBE \| SBE \| DBE \| HUB \| HHF, TBPE Firm No 16156 DECON LLC,founded by Fulvio Jaramillo, a consulting engineering firm committed to technical excellence, DECON’s services help…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Blackline Engineering, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	46 contacts →
	Exact match “Blackline Engineering, LLC is a Houston based engineering consulting firm that offers innovative design and project management services that are tailored for each client.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Pinnacle Structural Engineers	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match “Pinnacle is a structural engineering consulting firm providing services on a wide variety of project types, including: commercial, healthcare, workplace, institutional and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Collaborative Engineering Group	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “At Collaborative Engineering Group, we believe the best solutions come from working together.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	LEE Truong & YU Engineers, Pllc LTY Engineers	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “Lee Truong & Yu Engineers, PLLC, is a full-service Mechanical, Electrical and Plumbing engineering consulting firm with offices in Dallas and Houston.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Leaf Engineers	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	17 contacts →
	Exact match “LEAF Engineers provides comprehensive mechanical, electrical and plumbing/fire protection engineering design services along with technology, AV and security consulting services to…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	ESM Engineers	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	17 contacts →
	Exact match “At ESM Engineers, we're artisans in engineering, transforming client visions into plans that exceed standards and codes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	HGE Consulting, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “We are a service oriented firm that provides professional consulting engineering, design, construction documents for HVAC, Plumbing, Electrical, Fire Protection Systems…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Kswc King Southwest & Consulting Of Cypress	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “KSWC provides a unique blend of precision machining and engineering capabilities to serve prototyping and/or production needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	I-Solids	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Knight Engineering Solutions LLC dba i-SOLIDS is a specialized team of engineers, designers, and programmers who provide technical consulting and turnkey prototyping solutions: •…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Liberty Tech	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Liberty Tech is a Houston-based product design and engineering as a service company focused on integrated hardware and software product development.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Insight Structures, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “INSIGHT Structures provides attentive consultation, efficient structural designs, and quality construction drawings.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Trilogy Precision	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Vera Ernest Consulting INC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Not all engineers and engineering companies deliver the same level of engineering expertise.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Eco-Holdings LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Eco-Holdings LLC is a registered and insured 3D Design and Engineering Firm F-7395 entering our 21st year servicing Texas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Bowfin	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Bowfin provides high quality mechanical design, 3d CAD modeling, product visualization and manufacturing assistance to inventors and small businesses world wide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Infinity MEP S Consultants	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	1 contacts →
	Exact match “Infinity MEP+S Consultants is leading the charge in the engineering world with a team full of enthusiasm, imagination and a true passion for they do.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Imaginationeering, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “We are a team of professional and highly motivated mechanical engineers, simulation engineers and Product Designers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Altieri Engineering	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Altieri Engineering is dedicated to serving Architects, Engineers, Contractors and Facility Owners for all of their Civil Engineering Design needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Olsen Performance Team, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Engineering and design.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Prestige Engineering Services	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Certified by the State of Texas as a Historically Underutilized Business (HUB), Prestige Engineering Services, LLC provides years of accomplished engineering design coupled with…” Recorded in the RevenueBase company graph · Sep 17, 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 “mechanical engineering companies”. 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 21 of 58 mechanical engineering companies based in Houston, United States

See the full list, filter by size, metro and specialty, and access 154 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mechanical engineering companies based in Houston, United States at a glance

As of Sep 17, 2026

30.8%Verified-email coverage

8.6Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 58 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 “mechanical engineering companies” 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 154 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 17, 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.

Mechanical engineering companies 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 “mechanical engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mechanical engineering companies are there based in Houston, United States?

RevenueBase identified 58 company matches for mechanical engineering companies 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?

Decon LLC 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 mechanical engineering companies?

Houston leads the United States with 58 company records, followed by New York (48) and San Diego (44).

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 154 professional contacts with verified work emails tracked across these 58 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 17, 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.