Company lists · Data refreshed September 2026

Top 20 Infrastructure consulting firms based in Washington, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 3, 2026 158 companies tracked

RevenueBase identified 158 infrastructure consulting firms headquartered in Washington, United States as of September 2026 and tracks 2,496 professional contacts across them, including 1,404 with verified work emails. New York is the largest hub.

This list covers infrastructure consulting firms 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, how directly it supports the match, and when it was last checked. Data refreshed September 3, 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 HQ checked on every row Match evidence on every row Refreshed Sep 3, 2026 86% judged on-target in blind review

158Companies

2,496Contacts tracked

1,404Verified emails

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The 20 largest infrastructure consulting firms based in Washington, United States

Ranked by team size

Top 20 of 158 infrastructure consulting firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 3, 2026. Evidence rates how directly each company's own description names infrastructure consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Veracity EngineeringIndirect evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	51-200	80
	“Since 2001, Veracity Engineering has been successful in building, growing, and performing on a portfolio of technically challenging engineering and program management engagements…” Source: company website · checked Sep 3, 2026
2	Metis StrategyIndirect evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	51-200	53
	“Operating at the intersection of technology, business, and innovation, Metis Strategy propels decision-makers forward with pragmatic solutions, actionable insights, and access to…” Source: company website · checked Sep 3, 2026
3	Capital GroupPartial evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	43
	“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: company website · checked Sep 3, 2026
4	Cube Root CorporationIndirect evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	51-200	37
	“Cube Root Corporation is a professional services firm offering a range of services including design, program management, construction management, facilities management, and other…” Source: company website · checked Sep 3, 2026
5	Falcon Capital AdvisorsIndirect evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	51-200	26
	“Falcon Capital Advisors is a Washington, D.C.” Source: company website · checked Sep 3, 2026
6	NorthbridgeIndirect evidence	Washington, United StatesHQ checked Sep 3, 2026	11-50	24
	“At Northbridge, we provide our clients with the tools and expertise to help solve complex financial, policy, and environmental challenges.” Source: company website · checked Sep 3, 2026
7	IBS Management & Consultancy ServicesPartial evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	51-200	20
	“IBS is an Accounting, Finance, Management, and Transaction Advisory consulting firm.” Source: company website · checked Sep 3, 2026
8	Victory SIX AdvisorsIndirect evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	20
	“Victory Six provides industry leaders an unbiased, independent lens, pulling from a wealth of experts with distinguished industry and government backgrounds.” Source: company website · checked Sep 3, 2026
9	Bfa, INCPartial evidence	Washington, MO, United StatesHQ checked Sep 3, 2026	11-50	19
	“BFA is a consulting civil engineering firm located in downtown Washington, Missouri.” Source: company website · checked Sep 3, 2026
10	Interagency INCStrong evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	19
	“InterAgency provides preconstruction consulting for the Washington Metro Area’s most complex and challenging infrastructure projects.” Source: company website · checked Sep 3, 2026
11	FoxxstemStrong evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	19
	“FOXXSTEM is a professional engineering consulting firm that inspires and creates infrastructure that connects people to communities and communities to opportunities for better…” Source: company website · checked Sep 3, 2026
12	AvascentPartial evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	51-200	19
	“Avascent is the leading management consulting firm specializing in serving senior executives in the defense, aerospace, healthcare, homeland security, logistics, technical…” Source: company website · checked Sep 3, 2026
13	Bohler DCPartial evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	16
	“CBE LICENSE # L32354022026 Bohler DC provides land development consulting and technical design services to owners and developers across all residential, commercial, industrial…” Source: company website · checked Sep 3, 2026
14	PAN Services DCStrong evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	1-10	16
	“Pan Services is an International Full-Service Infrastructure Development and Management Advisory services firm offering Design, Engineering, Construction, Consulting and…” Source: company website · checked Sep 3, 2026
15	Numark Associates, INCIndirect evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	15
	Source: company website · checked Sep 3, 2026
16	Sustainable Capital AdvisorsStrong evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	14
	“Sustainable Capital Advisors (SCA) is a strategy consulting and financial advisory firm focused on delivering innovative capital solutions for the sustainable infrastructure…” Source: company website · checked Sep 3, 2026
17	CG LA InfrastructurePartial evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	14
	“CG/LA is the authority on infrastructure strategy and project development.” Source: company website · checked Sep 3, 2026
18	LEE And Associates, INCIndirect evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	11-50	12
	“lee and associates, inc (lai) is a respected and highly responsive firm offering planning and design professional services as it relates to how man relates to the land and the…” Source: company website · checked Sep 3, 2026
19	Innovative Federal StrategiesIndirect evidence	Washington, United StatesHQ checked Sep 3, 2026	11-50	12
	“Innovative Federal Strategies provides big firm results with a small firm feel.” Source: company website · checked Sep 3, 2026
20	Cardinal Infrastructure, LLCPartial evidence	Washington, DC, United StatesHQ checked Sep 3, 2026	1-10	10
	“Cardinal Infrastructure, LLC is a bipartisan Washington-based federal advisory group with national reach, specializing in transportation, infrastructure, and economic development…” Source: company website · checked Sep 3, 2026

Showing 20 of 158 infrastructure consulting firms based in Washington, United States

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Infrastructure consulting firms based in Washington, United States at a glance

As of Sep 3, 2026

1-10Median size (employees)

New YorkLargest hub · 306 HQs

Contacts with mobile numbers

Sep 3, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 158 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 consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among infrastructure consulting firms, 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 an evidence 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, 1,404 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 3, 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.

Infrastructure consulting firms by metro in the United States

Frequently asked

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

RevenueBase identified 158 infrastructure consulting firms 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?

Veracity Engineering, headquartered in Washington, tops this list with the largest team on record.

Which city has the most infrastructure consulting firms?

New York leads with 306 headquartered companies, followed by Houston (293) and Washington (158).

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 1,404 verified decision-maker contacts tracked across these 158 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 3, 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.