Company lists · Data refreshed October 2026

Top 25 Infrastructure project management consultancies based in Washington, United States

Name: Infrastructure project management consultancies based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 88 companies tracked

RevenueBase identified 88 company matches for infrastructure project management consultancies associated with Washington, United States as of October 2026 and tracks 1,560 professional contacts across them, including 690 with verified work emails. Across the United States, Houston is the largest hub for this category (321 companies); Washington has 88.

This list covers company matches for infrastructure project management consultancies 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 October 1, 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 1, 2026 How this list was built

88Companies

1,560Contacts tracked

690Verified emails

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The 25 largest infrastructure project management consultancies based in Washington, United States

Ranked by team size

Top 25 of 88 company matches for infrastructure project management consultancies based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Synergy Consulting, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	434 contacts →
	Exact match “Synergy Consulting is Global Leader in Financial and Corporate Advisory.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Mckissack & Mckissack	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	175 contacts →
	Exact match “McKissack & McKissack is a national architectural, engineering, program and construction management firm with 30 years of experience working with clients to envision and deliver…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Veracity Engineering	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	80 contacts →
	Exact match “Since 2001, Veracity Engineering has been successful in building, growing, and performing on a portfolio of technically challenging engineering and program management engagements…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Astris Finance, LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	74 contacts →
	Exact match “Founded in Astris Finance, a Colliers company, is an independent financial advisory firm specialized in the Infrastructure and Energy (I&E) sectors with an exceptional track…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Delon Hampton & Associates, Chartered	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	72 contacts →
	Exact match “Delon Hampton & Associates, Chartered (DHA), is a professional consulting engineering firm specializing in civil and structural engineering, as well as program and construction…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	B360 Bizsolutions 360 INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	201-500	58 contacts →
	Exact match “BizSolutions 360 Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Hayat Brown LLC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	50 contacts →
	Exact match “Comprised of experienced, savvy professionals, Hayat Brown provides services in engineering and P3, real estate and infrastructure advisory.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Capital Group	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	43 contacts →
	Exact match “Capital Group is a management consulting firm with more than a decade of experience in providing effective and innovative consulting services to public and private sector clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Cube Root Corporation	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	34 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 · Oct 1, 2026 · View company records in RevenueBase
10	Prime Partners Engineering	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	27 contacts →
	Exact match “We strive to be an industry leader by offering clients superior expertise, cutting-edge solutions and forward-thinking design in all their projects-from the most basic to the most…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Falcon Capital Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	26 contacts →
	Exact match “Falcon Capital Advisors is a Washington, D.C.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	SZ PM Consultants, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	24 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Alphatec PC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	22 contacts →
	Exact match “Alphatec PC is a full service A/E firm located in Dupont Circle and has been providing design and consulting services for over 50 years.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Bfa, INC	Exact match	Washington, MO, United StatesHQ recorded Oct 1, 2026	11-50	19 contacts →
	Exact match “BFA is a consulting civil engineering firm located in downtown Washington, Missouri.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Interagency INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	19 contacts →
	Exact match “InterAgency provides preconstruction consulting for the Washington Metro Area’s most complex and challenging infrastructure projects.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Waller Corporation	Exact match	Washington, PA, United StatesHQ recorded Oct 1, 2026	11-50	17 contacts →
	Exact match “Louis E.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	PAN Services DC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	17 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 · Oct 1, 2026 · View company records in RevenueBase
18	CG LA Infrastructure	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	15 contacts →
	Exact match “CG/LA is the authority on infrastructure strategy and project development.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Sustainable Capital Advisors	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “Sustainable Capital Advisors (SCA) is a strategy consulting and financial advisory firm focused on delivering innovative capital solutions for the sustainable infrastructure…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Rebel North America	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	12 contacts →
	Exact match “As one of the leading U.S.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Taylor-Dejongh	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “Taylor-DeJongh (TDJ) is an international financial advisory firm based in Washington, D.C.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Thelan	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “Thelan is a professional services firm whose project management consultancy practice – with core competencies in Strategy, Planning, and Implementation – is at the center of its…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Weaver Advisory	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “Weaver Advisory is a global consulting firm that has worked in over 20 countries helping organizations and governments to achieve the most ambitious projects.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	DRM International, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “DRM International, Inc,(DRM) is a leading DIsadvantaged Business Enterprise (DBE) professional engineering consulting firm offering engineering, architectural, planning…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Partnership International, INC	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Partnership International, Inc, founded in 1990, is an international consulting firm that provides socio-economic, regulatory, institutional, technical, commercial and financial…” Recorded in the RevenueBase company graph · Oct 1, 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 “infrastructure project management 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 88 infrastructure project management consultancies based in Washington, United States

See the full list, filter by size, metro and specialty, and access 690 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure project management consultancies based in Washington, United States at a glance

As of Oct 1, 2026

44.2%Verified-email coverage

17.7Average contacts per company

1-10Median size (employees)

Oct 1, 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 Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 88 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 “infrastructure project management 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 690 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 1, 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.

Infrastructure project management 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 “infrastructure project management consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure project management consultancies are there based in Washington, United States?

RevenueBase identified 88 company matches for infrastructure project management consultancies associated with Washington, 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?

Synergy Consulting, INC 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 infrastructure project management consultancies?

Houston leads the United States with 321 company records, followed by New York (246) and Miami (125). Washington has 88.

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 690 professional contacts with verified work emails tracked across these 88 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 1, 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.