Company lists · Data refreshed November 2026

Top 25 Design & build engineering services based in Tulsa, United States

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 42 companies tracked

RevenueBase identified 42 company matches for design & build engineering services associated with Tulsa, United States as of November 2026 and tracks 2,795 professional contacts across them, including 1,080 with verified work emails. Across the United States, Houston is the largest hub for this category (423 companies); Tulsa has 42.

This list covers company matches for design & build engineering services associated with Tulsa, 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

42Companies

2,795Contacts tracked

1,080Verified emails

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The 25 largest design & build engineering services based in Tulsa, United States

Ranked by team size

Top 25 of 42 company matches for design & build engineering services based in Tulsa, 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	Flintco, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	501-1,000	874 contacts →
	Exact match “Flintco was founded in 1908 and offers a full range of construction services from 8 offices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Matrix Service Company	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	1,001-5,000	817 contacts →
	Exact match “Matrix Service Company (Nasdaq: MTRX) is a leading heavy industrial contractor that engineers, constructs, and maintains critical energy, power, and industrial infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Cyntergy	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	51-200	185 contacts →
	Exact match “Cyntergy is a full service, award winning Architecture, Engineering and Construction Administration firm based in Tulsa and is licensed in Architecture and Engineering in every…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Select Engineering INC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	51-200	108 contacts →
	Exact match “Select Engineering, Inc, is a privately-held company with offices in Tulsa,OK and Houston,TX.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	MPW Engineering, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	51-200	89 contacts →
	Exact match “We at MPW Engineering have used our full depth of multi-disciplinary expertise to create solutions for clients, big and small, across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Mcintosh Corporation	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	201-500	79 contacts →
	Exact match “McIntosh Corporation is one of the most prominent, successful, and financially sound contractors in the region.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Esdc INC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	53 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	FCG	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	45 contacts →
	Exact match “Since 1946, Oklahoma-based Fleming Construction Group (FCG) has been a leader in pre-construction, construction, and postconstruction/retrofit for non-residential and industrial…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	QPS Flint, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	201-500	35 contacts →
	Exact match “Since 1957, QPS Flint, LLC (“Flint”) has built a strong reputation for constructing industrial facilities, including natural gas and CO2 compressor stations, meter stations, pump…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	BIG ELK Energy Systems, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	51-200	34 contacts →
	Exact match “Big Elk Energy Systems LLC was founded to bring the best possible talent and service to the energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Omni Mechanical Services LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	51-200	32 contacts →
	Exact match “OMNI MECHANICAL SERVICES LLC is a company based out of Tulsa, Oklahoma, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	360 Engineering Group, Pllc	Exact match	Tulsa, United StatesHQ recorded Nov 6, 2026	11-50	29 contacts →
	Exact match “360 Engineering Group provides comprehensive structural engineering solutions for a wide variety of clients and projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Purpose Engineering, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	25 contacts →
	Exact match “Purpose Engineering is a multi-disciplinary engineering services firm focused on industrial facilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Allied Engineering Group, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “Allied Engineering Group, LLC is a multi-discipline professional services firm located in Tulsa, OK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	EDA FKI Engineering PC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	15 contacts →
	Exact match “EDA+FKI Engineers has provided comprehensive mechanical, electrical and plumbing engineering services throughout Oklahoma and the surrounding regions since 1954.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Ascend Commercial Builders	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “Our goal at Ascend Commercial Builders is to change that perception, offering high-quality construction services with exceptional customer care.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Resolute Engineering, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “Resolute Engineering provides a full complement of services across the energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	LEE And Browne Consulting Engineers, INC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Lee and Browne Consulting Engineers, Inc is a company based out of 1207 S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Asher Power	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Electrical infrastructure projects don’t fail because of engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	KKT Architects, INC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	51-200	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Hoey Construction CO	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “We provide full range services for our construction clients and innovation is one of the key factors which makes us unique.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Daman Lechtenberger Architects	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “Daman + Lechtenberger Architects offers complete multi-discipline Architecture and Engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Phillips Gomez, INC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	6 contacts →
	Exact match “Phillips+Gomez provides professional mechanical and electrical consulting engineering services with emphasis and expertise on energy efficiency, sustainability, and LEED®…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Green Acorn LLC	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “Green Acorn provides Mechanical, Electrical and Plumbing Engineering services for Architects, Contractors and Building Owners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Forza Construction	Exact match	Tulsa, OK, United StatesHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “Forza Construction Services is comprised of highly experienced commercial construction professionals with decades of experience in the field.” 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 “design & build 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 42 design & build engineering services based in Tulsa, United States

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Design & build engineering services based in Tulsa, United States at a glance

As of Nov 6, 2026

38.6%Verified-email coverage

66.5Average 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 Tulsa, so it is reported there. Company counts and contact totals on this page are exact for Tulsa, over 42 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 Tulsa, United States whose business descriptions match “design & build 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 1,080 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.

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

How many design & build engineering services are there based in Tulsa, United States?

RevenueBase identified 42 company matches for design & build engineering services associated with Tulsa, 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?

Flintco, 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 & build engineering services?

Houston leads the United States with 423 company records, followed by New York (380) and Miami (163). Tulsa has 42.

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 1,080 professional contacts with verified work emails tracked across these 42 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.