Company lists · Data refreshed November 2026

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

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 66 companies tracked

RevenueBase identified 66 company matches for design & build engineering services associated with Washington, United States as of November 2026 and tracks 3,500 professional contacts across them, including 1,732 with verified work emails. Across the United States, Houston is the largest hub for this category (423 companies); Washington has 66.

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

66Companies

3,500Contacts tracked

1,732Verified emails

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

Ranked by team size

Top 25 of 66 company matches for design & build engineering services based in Washington, 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	Setty & Associates	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	201-500	136 contacts →
	Exact match “Established in 1984, SETTY is headquartered in Fairfax, VA, with offices in Atlanta, GA, Baltimore, MD, Charlottesville, VA, Fairfax, VA, Los Angeles, CA, New York, NY…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Winmar Construction	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	127 contacts →
	Exact match “Expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Global Engineering Solutions	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	45 contacts →
	Exact match “Global Engineering Solutions is an Engineering, Program Management and Construction Management firm specializing in Mechanical, Electrical, Plumbing and Fire Protection…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Cube Root Corporation	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	38 contacts →
	Exact match “Cube Root Corporation is a professional services firm offering a range of services including design, program management, construction management, facilities management, and other…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	RSG Builders	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	25 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	North Arrow, INC	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	23 contacts →
	Exact match “DUNS Number: 08-001-8268 CAGE Code: 7GN69 SBA Certified Small Business District of Columbia Certified Business Enterprise (CBE) Metropolitan Washington Airports Authority Local…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	PAN Services DC	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	19 contacts →
	Exact match “Pan Services is an International Full-Service Infrastructure Development and Management Advisory services firm offering Design, Engineering, Construction, Consulting and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Waller Corporation	Exact match	Washington, PA, United StatesHQ recorded Nov 6, 2026	11-50	18 contacts →
	Exact match “Louis E.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Kadcon	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	18 contacts →
	Exact match “KADCON is a well-established construction firm with over 30 years of experience in providing comprehensive design/build services, preconstruction consultation, project management…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Keystone Integrated Solutions	Exact match	Washington, PA, United StatesHQ recorded Nov 6, 2026	11-50	17 contacts →
	Exact match “Keystone Integrated Solutions LLC is a full-service true system integrator and electrical construction contractor operating in the energy and manufacturing spaces.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Grass Creek Construction	Exact match	Washington, UT, United StatesHQ recorded Nov 6, 2026	11-50	16 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Protec Construction INC	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	15 contacts →
	Exact match “Protec Construction, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Macbracey Corporation	Exact match	Washington, PA, United StatesHQ recorded Nov 6, 2026	11-50	12 contacts →
	Exact match “Mission Statement: MacBracey Corporation provides clients a construction process that begins with value based design, is completed through diligent communication and scheduling…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	HEP Construction	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	12 contacts →
	Exact match “Founded in 1997, HEP Construction is headquartered in Washington, DC, and exclusively focuses on commercial construction projects with and has substantial past performance with…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Singleton Electric CO INC	Exact match	Washington, United StatesHQ recorded Nov 6, 2026	11-50	12 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Stocks & Taylor Construction INC	Exact match	Washington, NC, United StatesHQ recorded Nov 6, 2026	1-10	9 contacts →
	Exact match “A leader in Eastern North Carolina Stocks & Taylor Construction covers a wide range of construction and has earned us the highest accolade from a number of clients and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Bennett Group	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “With more than three decades of general contracting experience, Bennett Group is at the forefront of the commercial, residential and industrial construction industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Range Construction, LLC	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “Range Construction is a CBE, HUBZone, and SBA 8(a) Certified Construction Contractor delivering federal and commercial construction nationwide - backed by strong CPARS…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Paxman Heating & Cooling, INC	Exact match	Washington, UT, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Paxman Heating & Cooling Inc is a company based out of 1140 S 1900 E, WASHINGTON, Utah, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	SORG	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Sorg is a full-service, international design firm offering architectural design services as well as programming, interior design, and construction management that was established…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Eagan Building Group	Exact match	Washington, MO, United StatesHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match “Eagan Building Group is Your Partner for Industrial & Commercial Construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Allen-Norris Permitting And Inspections	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match “Allen-Norris Permitting and Inspections is a minority, woman-owned construction management firm uniquely positioned to provide architectural, engineering, compliance, permitting…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	A&f Engineers INC	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Grotheer & CO	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “GROTHEER & CO, a small business located in Washington, DC, has been practicing professional engineering since 1954, and has completed thousands of projects for local and federal…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Warren County Electric	Exact match	Washington, MO, United StatesHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “Warren County Electric is an experienced and professional electrical contracting and electrical design-build company serving the greater St Louis region.” 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 66 design & build engineering services based in Washington, United States

See the full list, filter by size, metro and specialty, and access 1,732 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Nov 6, 2026

49.5%Verified-email coverage

53.0Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 66 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 Washington, 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 1,732 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 Washington, United States?

RevenueBase identified 66 company matches for design & build engineering services associated with Washington, 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?

Setty & Associates 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). Washington has 66.

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 1,732 professional contacts with verified work emails tracked across these 66 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.