Company lists · Data refreshed September 2026

Top 25 Engineering consultancies based in Tulsa, United States

Name: Engineering consultancies based in Tulsa, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 48 companies tracked

RevenueBase identified 48 company matches for engineering consultancies associated with Tulsa, United States as of September 2026 and tracks 2,173 professional contacts across them, including 884 with verified work emails. Across the United States, Houston is the largest hub for this category (622 companies); Tulsa has 48.

This list covers company matches for engineering consultancies 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 September 24, 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 24, 2026 How this list was built

48Companies

2,173Contacts tracked

884Verified emails

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The 25 largest engineering consultancies based in Tulsa, United States

Ranked by team size

Top 25 of 48 company matches for engineering consultancies based in Tulsa, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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	Matrix Service Company	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	1,001-5,000	785 contacts →
	Exact match “Matrix Service Company (Nasdaq: MTRX) is a leading specialty engineering and construction company whose commitment to safety, quality, and integrity has earned its subsidiaries a…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2	Wallace Design Collective	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	201-500	289 contacts →
	Exact match “fantastic people.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	Cyntergy	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	51-200	168 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 · Sep 24, 2026 · View company records in RevenueBase
4	B T Group	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	201-500	146 contacts →
	Exact match “B+T Group is a turnkey professional services firm specializing in the infrastructure industry - wireless, fiber, broadband, oil and gas, utilities to name a few.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	Select Engineering INC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	51-200	95 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 · Sep 24, 2026 · View company records in RevenueBase
6	MPW Engineering, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	51-200	86 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 · Sep 24, 2026 · View company records in RevenueBase
7	Esdc INC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	56 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	DDSI	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	51-200	51 contacts →
	Exact match “Downtown Design Services Inc, began operations as an Oklahoma corporation in for the purpose of providing the following Services to the Oil and Gas, Fiber Optic, Energy…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	GUY Engineering Services, INC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	37 contacts →
	Exact match “Guy Engineering Services, Inc.(GUY) is a woman-owned, Native American-owned, and HUBZone-certified civil engineering consulting firm to various city, county, state, and federal…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	BIG ELK Energy Systems, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	51-200	33 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 · Sep 24, 2026 · View company records in RevenueBase
11	360 Engineering Group, Pllc	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	31 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 · Sep 24, 2026 · View company records in RevenueBase
12	BKL Architects Engineers	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	27 contacts →
	Exact match “Founded in Tulsa in 1946, BKL is a versatile firm with a rich history of collaborating on public projects across Oklahoma's counties and municipalities.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Allied Engineering Group, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
14	Purpose Engineering, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	22 contacts →
	Exact match “Purpose Engineering is a multi-disciplinary engineering services firm focused on industrial facilities.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	Pepm Group	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	22 contacts →
	Exact match “The PEPM Group is an engineering, drafting, 3D modeling, and project management company headquartered in Tulsa, OK, with a branch office in Fayetteville, AR.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	J. D. Hair & Associates, INC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	21 contacts →
	Exact match “J.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	Tanner Consulting, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	19 contacts →
	Exact match “Tanner Consulting advances the frontiers of development by offering a unique blend of services to large scale developers, municipalities, and investment groups, reducing the need…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	Aimright	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	19 contacts →
	Exact match “Below our feet is dirt, rocks, water, minerals, and a host of organisms that impact the design and construction industry.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19	EDA FKI Engineering PC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	16 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 · Sep 24, 2026 · View company records in RevenueBase
20	Meshek & Associates	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	1,001-5,000	13 contacts →
	Exact match “In 2024, Meshek joined WSB, a design and consulting firm.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	Gfac Engineering	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	13 contacts →
	Exact match “The MISSION of GFAC Engineering is to elevate the industry and to be your TRUSTED ADVISOR in the areas of Geotechnical Engineering and Construction Material Testing.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	CJC Architects, INC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	1-10	12 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23	Resolute Engineering, LLC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	9 contacts →
	Exact match “Resolute Engineering provides a full complement of services across the energy industry.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24	Asher Power	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	11-50	9 contacts →
	Exact match “Electrical infrastructure projects don’t fail because of engineering.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25	KKT Architects, INC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 24, 2026	51-200	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 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 “engineering consultancies”. 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 48 engineering consultancies based in Tulsa, United States

See the full list, filter by size, metro and specialty, and access 884 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Engineering consultancies based in Tulsa, United States at a glance

As of Sep 24, 2026

40.7%Verified-email coverage

45.3Average contacts per company

11-50Median size (employees)

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 48 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 “engineering consultancies” 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 884 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 24, 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.

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

How many engineering consultancies are there based in Tulsa, United States?

RevenueBase identified 48 company matches for engineering consultancies associated with Tulsa, 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?

Matrix Service Company 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 engineering consultancies?

Houston leads the United States with 622 company records, followed by New York (449) and Austin (208). Tulsa has 48.

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 884 professional contacts with verified work emails tracked across these 48 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 24, 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.