Company lists · Data refreshed October 2026

Top 25 Design engineering services based in Houston, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 78 companies tracked

RevenueBase identified 78 company matches for design engineering services associated with Houston, United States as of October 2026 and tracks 729 professional contacts across them, including 212 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for design engineering services 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 11, 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 Oct 11, 2026 How this list was built

78Companies

729Contacts tracked

212Verified emails

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The 25 largest design engineering services based in Houston, United States

Ranked by team size

Top 25 of 78 company matches for design engineering services based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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 Oct 11, 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 · Oct 11, 2026 · View company records in RevenueBase
2	Blackline Engineering, LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	49 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 · Oct 11, 2026 · View company records in RevenueBase
3	MEP Green Design & Build, Pllc	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	51-200	48 contacts →
	Exact match “MEP Green Design & Build, PLLC,(MEPG) is a full-service engineering firm made up of a dedicated team of professionals offering expertise in Mechanical, Electrical, Plumbing and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	Interfield Group	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	38 contacts →
	Exact match “Interfield is a leading engineering company specializing in engineering services.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	Pinnacle Structural Engineers	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	35 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 · Oct 11, 2026 · View company records in RevenueBase
6	CFI Companies, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	25 contacts →
	Exact match “Established in 2012, CFI Companies is a consulting engineering firm that provides mechanical, electrical, plumbing and low voltage engineering design services as well as…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	ESM Engineers	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	1-10	19 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 · Oct 11, 2026 · View company records in RevenueBase
8	Concept Engineers, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	19 contacts →
	Exact match “Concept Engineers is committed to delivering a higher quality of structural engineering to its clients, gleaned from decades of experience in commercial and residential…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	HGE Consulting, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 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 · Oct 11, 2026 · View company records in RevenueBase
10	Garner Fritsche Engineering	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	12 contacts →
	Exact match “Started in 2006, Garner Fritsche Engineering continually delivers high-quality designs and consulting services to healthcare, institutional and commercial clients.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Kswc King Southwest & Consulting Of Cypress	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 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 · Oct 11, 2026 · View company records in RevenueBase
12	CJG Engineers	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	11 contacts →
	Exact match “Founded in 1981, CJG Engineers is a Consulting Structural Engineering firm with offices in Austin and Houston, Texas.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	RSG Engineering INC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	10 contacts →
	Exact match “RSG Engineering is a premier Engineering, Architectural design and Construction Management provider.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	I-Solids	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	10 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 · Oct 11, 2026 · View company records in RevenueBase
15	Transform Engineering Consultants	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	1-10	9 contacts →
	Exact match “Electrical Engineering Consulting Services” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	Leaf Engineers	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	51-200	8 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 · Oct 11, 2026 · View company records in RevenueBase
17	Dawson VAN Orden DVO	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	51-200	8 contacts →
	Exact match “Dawson Van Orden is a rapidly growing, family-owned, Civil, Structural, MEP and Technology Consulting Engineering firm.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	G&b Group	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	5 contacts →
	Exact match “G&B GROUP, LLC was first opened in 2001 in the city of Houston, Texas.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Liberty Tech	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	1-10	4 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 · Oct 11, 2026 · View company records in RevenueBase
20	Xware Engineering	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	3 contacts →
	Exact match “Engineering product development firm focused on hardware/software & product development for medical, energy, environmental, consumer and other industries.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Insight Structures, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	1-10	3 contacts →
	Exact match “INSIGHT Structures provides attentive consultation, efficient structural designs, and quality construction drawings.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	Eco-Holdings LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 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 · Oct 11, 2026 · View company records in RevenueBase
23	Avevotech INC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	11-50	2 contacts →
	Exact match “AvevoTech Inc is a Plant Engineering services provider for Oil & Gas, Chemical, Water and Power companies.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	Knoll Engineering, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	Bowfin	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 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 · Oct 11, 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 “design engineering services”. 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 78 design engineering services based in Houston, United States

See the full list, filter by size, metro and specialty, and access 212 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Design engineering services based in Houston, United States at a glance

As of Oct 11, 2026

29.1%Verified-email coverage

9.3Average contacts per company

1-10Median size (employees)

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 78 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 “design engineering services” 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 212 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 11, 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.

Design engineering services 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 “design engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many design engineering services are there based in Houston, United States?

RevenueBase identified 78 company matches for design engineering services 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?

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 design engineering services?

Houston leads the United States with 78 company records, followed by New York (73) and Austin (58).

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 212 professional contacts with verified work emails tracked across these 78 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 11, 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.