Company lists · Data refreshed November 2026

Top 22 Facilities engineering consultants based in Houston, United States

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 196 companies tracked

RevenueBase identified 196 company matches for facilities engineering consultants associated with Houston, United States as of November 2026 and tracks 6,388 professional contacts across them, including 1,806 with verified work emails. Across the United States, New York is the largest hub for this category (320 companies); Houston follows with 196.

This list covers company matches for facilities engineering consultants 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 November 6, 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 Nov 6, 2026 How this list was built

196Companies

6,388Contacts tracked

1,806Verified emails

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The 22 largest facilities engineering consultants based in Houston, United States

Ranked by team size

Top 22 of 196 company matches for facilities engineering consultants based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	PGAL	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	201-500	332 contacts →
	Exact match “Founded in 1946, PGAL is a design firm specializing in architecture, engineering, interiors, and planning for a diverse portfolio of public and private sector clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Office Of The County Engineer	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	254 contacts →
	Exact match “Office of the County Engineer is a regional leader in providing wholly integrated professional services to a broad range of clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	DBR	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	201-500	242 contacts →
	Exact match “Founded in 1972, DBR has evolved into the premier MEP engineering firm in Texas, providing mechanical, electrical, and plumbing engineering services, as well as building…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Letsos Company	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	201-500	158 contacts →
	Exact match “In 1953, James N.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	TKE Engineering & Design	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	53 contacts →
	Exact match “Who We Are TKE was founded in Houston, Texas in 1992 by Terry Eleiott, PE and his wife Kathy Eleiott.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	PDG Architects	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	52 contacts →
	Exact match “PDG Architects, based in Houston, Texas, is a full-service architectural firm recognized for quality performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Blackline Engineering, LLC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	51 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 · Nov 6, 2026 · View company records in RevenueBase
8	Energy Architecture, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	51 contacts →
	Exact match “Energy Architecture is a specialized architecture firm based in Houston, serving clients at the forefront of innovation, research, and discovery.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	I. A. Naman Associates, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	48 contacts →
	Exact match “Since 1947, I.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Integrity Structural Corp	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	51-200	45 contacts →
	Exact match “Integrity Structural is a Houston based, structural engineering firm founded in 2002.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	RPT Alliance LLC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	45 contacts →
	Exact match “As of December 8, 2025, RTP Alliance has been acquired by by Bowman.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Interfield Group	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	39 contacts →
	Exact match “Interfield is a leading engineering company specializing in engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Midstream & Terminal Services LLC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	35 contacts →
	Exact match “Midstream & Terminal Services (MTS) is a privately-owned registered architectural and engineering company that serves a diverse set of industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Vogler & Spencer Engineering, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	34 contacts →
	Exact match “Vogler & Spencer Engineering provides civil engineering consulting services to public and private clients in the Houston area and surrounding counties.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Rice-Brothers	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	30 contacts →
	Exact match “Rice-Brothers delivers industrial and commercial construction solutions for facilities where safety, reliability, and uptime matter.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Matrix Structural Engineers	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	29 contacts →
	Exact match “Matrix Structural Engineers, a multiple award-winning firm, was founded in 1993 in Houston.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	CFI Companies, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	28 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 · Nov 6, 2026 · View company records in RevenueBase
18	Collaborative Engineering Group	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	27 contacts →
	Exact match “At Collaborative Engineering Group, we believe the best solutions come from working together.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	United Engineers, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	51-200	25 contacts →
	Exact match “United Engineers Inc.(UEI) is a Houston-based, full service consulting civil engineering and surveying firm providing services in the Houston and surrounding areas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Stiver Engineering, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “Stiver Engineering was founded to contribute to the tremendous growth across the state of Texas and to meet the growing needs of the state's contractors, industries, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Rice & Gardner	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	19 contacts →
	Exact match “At Rice & Gardner Consultants, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Rogers Desimone Structural Engineers, LLC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	11-50	19 contacts →
	Exact match “Henderson Rogers Structural Engineers, LLC was founded in 2005 by Elaine Rogers and Matt Henderson as a partnership dedicated to providing structural engineering services to…” Recorded in the RevenueBase company graph · Nov 6, 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 “facilities engineering consultants”. 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 22 of 196 facilities engineering consultants based in Houston, United States

See the full list, filter by size, metro and specialty, and access 1,806 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Facilities engineering consultants based in Houston, United States at a glance

As of Nov 6, 2026

28.3%Verified-email coverage

32.6Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 196 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 “facilities engineering consultants” 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 1,806 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 November 6, 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.

Facilities engineering consultants 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 “facilities engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many facilities engineering consultants are there based in Houston, United States?

RevenueBase identified 196 company matches for facilities engineering consultants associated with Houston, United States as of November 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?

PGAL 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 facilities engineering consultants?

New York leads the United States with 320 company records, followed by Houston (196) and Chicago (102).

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 1,806 professional contacts with verified work emails tracked across these 196 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 November 6, 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.