Company lists · Data refreshed September 2026

Top 25 Infrastructure management consultants based in Washington, United States

RevenueBase identified 81 infrastructure management consultants headquartered in Washington, United States as of September 2026 and tracks 1,334 professional contacts across them, including 591 with verified work emails. Across the United States, Houston is the largest hub for this category (239 companies); Washington has 81.

This list covers infrastructure management consultants headquartered in Washington, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
81Companies
1,334Contacts tracked
591Verified emails
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The 25 largest infrastructure management consultants based in Washington, United States

Ranked by team size
Top 25 of 81 infrastructure management consultants based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to infrastructure management consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-200434 contacts →

Indirect evidence

“Synergy Consulting is Global Leader in Financial and Corporate Advisory.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20080 contacts →

Partial evidence

“Since 2001, Veracity Engineering has been successful in building, growing, and performing on a portfolio of technically challenging engineering and program management engagements…”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20074 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20072 contacts →

Indirect evidence

“Delon Hampton & Associates, Chartered (DHA), is a professional consulting engineering firm specializing in civil and structural engineering, as well as program and construction…”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 2026201-50058 contacts →

Indirect evidence

“BizSolutions 360 Inc.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20050 contacts →

Partial evidence

“Comprised of experienced, savvy professionals, Hayat Brown provides services in engineering and P3, real estate and infrastructure advisory.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5043 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 2026201-50042 contacts →

Partial evidence

“We bring an experience unmatched anywhere else, with knowledgeable and thoughtful consultants plus flexible, tailored approaches, all centered on the right outcomes for your…”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20034 contacts →

Partial evidence

“Cube Root Corporation is a professional services firm offering a range of services including design, program management, construction management, facilities management, and other…”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20026 contacts →

Indirect evidence

“Falcon Capital Advisors is a Washington, D.C.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5024 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5019 contacts →

Partial evidence

“InterAgency provides preconstruction consulting for the Washington Metro Area’s most complex and challenging infrastructure projects.”

Source: RevenueBase Database · checked Sep 28, 2026
13Strong evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-1017 contacts →

Strong evidence

“Pan Services is an International Full-Service Infrastructure Development and Management Advisory services firm offering Design, Engineering, Construction, Consulting and…”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5015 contacts →

Partial evidence

“CG/LA is the authority on infrastructure strategy and project development.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5014 contacts →

Partial evidence

“Sustainable Capital Advisors (SCA) is a strategy consulting and financial advisory firm focused on delivering innovative capital solutions for the sustainable infrastructure…”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceWashington, UT, United StatesHQ checked Sep 28, 202611-5014 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20012 contacts →

Indirect evidence

“As one of the leading U.S.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
19Strong evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-509 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

“DRM International, Inc,(DRM) is a leading DIsadvantaged Business Enterprise (DBE) professional engineering consulting firm offering engineering, architectural, planning…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-507 contacts →

Indirect evidence

“Partnership International, Inc, founded in 1990, is an international consulting firm that provides socio-economic, regulatory, institutional, technical, commercial and financial…”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-107 contacts →

Partial evidence

“Allen-Norris Permitting and Inspections is a minority, woman-owned construction management firm uniquely positioned to provide architectural, engineering, compliance, permitting…”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-506 contacts →

Partial evidence

“HIP Consult is an independent management consulting firm, offering strategic and operational services to companies, investors, international agencies, and governments worldwide.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-105 contacts →

Partial evidence

“Van Allen provides strategic consulting and management services with a particular focus on complex and multi-stakeholder IT projects.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

“Greening Urban is a civil engineering firm with built projects in Washington, D.C; Maryland; and Virginia.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 81 infrastructure management consultants based in Washington, United States

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Infrastructure management consultants based in Washington, United States at a glance

As of Sep 28, 2026
44.3%Verified-email coverage
16.5Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
42
11-50
26
51-200
11
201-500
2

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 81 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among infrastructure management consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Washington, United States whose own description of what they do matches “infrastructure management consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names infrastructure management consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among infrastructure management consultants, and records with no verified work email. Companies headquartered outside Washington are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 591 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names infrastructure management consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 81 infrastructure management consultants headquartered in Washington, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Synergy Consulting, INC, headquartered in Washington, tops this list with the largest team on record.

Which city in the United States has the most infrastructure management consultants?

Houston leads the United States with 239 headquartered companies, followed by New York (176) and Chicago (97). Washington has 81.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 591 verified decision-maker contacts tracked across these 81 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.