Company lists · Data refreshed September 2026

Top 25 Infrastructure fund law firms based in Washington, United States

RevenueBase identified 41 company matches for infrastructure fund law firms associated with Washington, United States as of September 2026 and tracks 12,585 professional contacts across them, including 7,677 with verified work emails. Across the United States, New York is the largest hub for this category (122 companies); Washington follows with 41.

This list covers company matches for infrastructure fund law firms 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 September 28, 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 28, 2026 How this list was built
41Companies
12,585Contacts tracked
7,677Verified emails
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The 25 largest infrastructure fund law firms based in Washington, United States

Ranked by team size
Top 25 of 41 company matches for infrastructure fund law firms based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261,001-5,0002,333 contacts →

Exact match

“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261,001-5,0001,790 contacts →

Exact match

“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026501-1,000576 contacts →

Exact match

“Founded in 1983, Wiley is a dominant presence in the nation’s capital.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200434 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200174 contacts →

Exact match

“Van Ness Feldman is a nationally recognized mid-sized law firm specializing in the areas of energy, environment, and natural resources law and policy, with offices in Washington…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-20074 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 · Sep 28, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5036 contacts →

Exact match

“Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5028 contacts →

Exact match

“Since its founding in 1971, DWG & P, has provided a broad range of counseling, regulatory, litigation and legislative services to clients in every region of the country.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5018 contacts →

Exact match

“At Earth & Water, we are more than lawyers – we’re strategic advisors with unique experience who advance our clients’ interests across a broad range of environmental and business…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-1018 contacts →

Exact match

“Harkins Cunningham LLP is a law firm engaged in optimizing risk and opportunities in complex matters in highly regulated and politicized environments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Rock Creek Energy Group is a group of diverse and like-minded professionals with a shared passion – Energy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5014 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 · Sep 28, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“Since it was founded in 1993, LB3 has been the leading firm guiding large customers through a maze of legal, technical, financial, and regulatory issues to close world-class…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-20012 contacts →

Exact match

“As one of the leading U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“Taylor-DeJongh (TDJ) is an international financial advisory firm based in Washington, D.C.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-106 contacts →

Exact match

“Hills Stern LLP is a Washington DC-based law firm with global relationships and an international practice.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Lawyers and Consultants | Tier-1 Services Since 1799 | From the trade courts of the 19th-century Levant to the corridors of Washington D.C, Melbourne, Toronto, and Abu Dhabi…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Edinger Associates PLLC is a boutique business and finance law and consulting firm based in Washington, DC, with a focus on mergers and acquisitions, exchanges, joint ventures…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“At the Temple Law Offices, our team of experienced attorneys understand the complexity of the law and work tirelessly to represent our diverse, international client base.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-102 contacts →

Exact match

“CBIG Law is an investment management law firm that advises hedge funds, private equity, real estate, cryptocurrency, venture capital, and other alternative investment fund…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Where innovators in healthcare, tech and clean energy come for advice.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“We are an US-based advisory firm specialized in supporting energy and infrastructure developers, investors, and operators through the disruptions facing their industries today.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“SB Law is dedicated to providing strategic, first-tier legal advice and analysis that assists companies in meeting wide-ranging regulatory obligations while accomplishing business…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Somertons is a Washington, D.C-based law firm with a practice that focuses on corporate, securities, M&A, strategic investment, and U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Located in Washington D.C.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 41 infrastructure fund law firms based in Washington, United States

See the full list, filter by size, metro and specialty, and access 7,677 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure fund law firms based in Washington, United States at a glance

As of Sep 28, 2026
61.0%Verified-email coverage
307.0Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
12
51-200
4
501-1,000
1
1,001-5,000
2
5,001-10,000
1

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 41 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 fund law firms” 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 7,677 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 28, 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.

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 fund law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure fund law firms are there based in Washington, United States?

RevenueBase identified 41 company matches for infrastructure fund law firms associated with Washington, 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?

Arnold & Porter 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 fund law firms?

New York leads the United States with 122 company records, followed by Washington (41) and Chicago (39).

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 7,677 professional contacts with verified work emails tracked across these 41 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 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 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.