Company lists · Data refreshed September 2026

Top 25 Mezzanine financing firms based in the United States

RevenueBase identified 56 company matches for mezzanine financing firms associated with the United States as of September 2026 and tracks 469 professional contacts across them, including 266 with verified work emails. Chicago is the largest hub.

This list covers company matches for mezzanine financing firms associated with the 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 20, 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 20, 2026 How this list was built
56Companies
469Contacts tracked
266Verified emails
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The 25 largest mezzanine financing firms based in the United States

Ranked by team size
Top 25 of 56 company matches for mezzanine financing firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchAustin, TX, United StatesHQ recorded Sep 20, 202651-20091 contacts →

Exact match

“AB Private Credit Investors provides financing to middle market companies for acquisitions, including leveraged buyouts; recapitalizations; refinancings; and growth investments.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202611-5031 contacts →

Exact match

“Invision Capital, is a middle market private equity firm providing “Flexible Capital” to facilitate buyouts, recapitalizations and growth investments in manufacturing…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchMinneapolis, MN, United StatesHQ recorded Sep 20, 202611-5028 contacts →

Exact match

“Yukon Partners provides mezzanine capital to middle market businesses with a focus on transactions controlled by private equity sponsors.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchCleveland, OH, United StatesHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“Cyprium Partners is a private equity and mezzanine firm focused on non-controlling investments in profitable middle-market companies, allowing company owners and their management…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchAtlanta, GA, United StatesHQ recorded Sep 20, 202611-5020 contacts →

Exact match

“Chatham Capital is a mezzanine finance firm that concentrates on small to middle market companies with sustainable cash flow from operations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchGreensboro, NC, United StatesHQ recorded Sep 20, 202611-5013 contacts →

Exact match

“Salem Investment Partners is an investment firm based in North Carolina with over $500 million under management.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 20, 20261-1013 contacts →

Exact match

“Since its founding in 1992, Midwest Mezzanine Funds has partnered with private equity firms, independent sponsors, family offices and management teams to provide over $1 billion…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchMinneapolis, MN, United StatesHQ recorded Sep 20, 202611-5013 contacts →

Exact match

“NorthCoast Mezzanine provides subordinated debt and non-control equity to businesses in a variety of industries across the United States.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchWest Chester, OH, United StatesHQ recorded Sep 20, 20261-1013 contacts →

Exact match

“Great Oak Funding is a private lender focused on providing funding to help businesses grow and expand.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchExcelsior, MN, United StatesHQ recorded Sep 20, 20261-1012 contacts →

Exact match

“Medallion Capital, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchChicago, United StatesHQ recorded Sep 20, 20261-1011 contacts →

Exact match

“Greyrock Capital Group provides mezzanine debt and equity to finance buyouts, recapitalizations and internal growth needs of middle-market companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchPittsburgh, PA, United StatesHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“At PNC Mezzanine Capital, we help our clients achieve their strategic objectives.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202611-508 contacts →

Exact match

“Caltius Structured Capital (formerly, Caltius Mezzanine) is a proven source of subordinated (mezzanine) debt, minority/structured equity and unitranche solutions for middle market…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-2008 contacts →

Exact match

“Maranon Capital, L.P.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchNorthfield, IL, United StatesHQ recorded Sep 20, 20261-108 contacts →

Exact match

“Wedgewood Investment Group, LLC is a leading private commercial real estate investment firm that focuses on helping real estate companies and developers finance the construction…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchDallas, TX, United StatesHQ recorded Sep 20, 202611-507 contacts →

Exact match

“Newstone Capital Partners, LLC is an investment management company based out of 3963 Maple Avenue, Suite 100, Dallas, Texas, United States.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Sep 20, 20261-106 contacts →

Exact match

“MCRC provides mezzanine capital, long term debt, and late-stage venture capital to Massachusetts -based businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchWayne, PA, United StatesHQ recorded Sep 20, 20261-105 contacts →

Exact match

“Founded in 2003, Merion Investment Partners is a family of mezzanine capital funds licensed by the Small Business Administration (“SBA”) as a Small Business Investment Companies…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchAlbany, NY, United StatesHQ recorded Sep 20, 20261-105 contacts →

Exact match

“Pine Street Capital Partners, with offices in Albany, NY, and Wellesley, MA, provides mezzanine debt and equity capital to lower middle market companies throughout the United…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchSt. Petersburg, FL, United StatesHQ recorded Sep 20, 20261-105 contacts →

Exact match

“You have a transitional real estate deal under contract and a clock that does not care about bank committees.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Lampert Capital Advisors specializes in financing for middle market companies with a particular focus on a wide range of private debt placements, structured equity infusions and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchNew Canaan, CT, United StatesHQ recorded Sep 20, 20261-104 contacts →

Exact match

“New Canaan Funding (“NCF”) is a boutique mezzanine investment firm with offices in the key New York and Chicago financial centers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBloomfield Hills, MI, United StatesHQ recorded Sep 20, 202611-504 contacts →

Exact match

“Grow Michigan II, LLC, is capitalized by members of Michigan’s banking community and the Michigan Strategic Fund.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchLong Beach, NY, United StatesHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Carmen Capital is a financial intermediary that specializes in the placement of debt, mezzanine and equity capital for commercial real estate projects throughout the United States.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchChicago, United StatesHQ recorded Sep 20, 202611-503 contacts →

Exact match

“Geneva Capital Group is a financial services firm specializing in Commercial Real Estate Financing and Mezzanine and Equity Funding.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 56 mezzanine financing firms based in the United States

See the full list, filter by size, metro and specialty, and access 266 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mezzanine financing firms based in the United States at a glance

As of Sep 20, 2026
56.7%Verified-email coverage
8.4Average contacts per company
1-10Median size (employees)
8.9%Largest-city concentration · Chicago
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
36
11-50
17
51-200
2
501-1,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 56 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 the United States whose business descriptions match “mezzanine financing 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 266 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 20, 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 “mezzanine financing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mezzanine financing firms are there based in the United States?

RevenueBase identified 56 company matches for mezzanine financing firms associated with the 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?

AB Private Credit Investors tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most mezzanine financing firms?

Chicago leads with 5 company records, followed by Charlotte (4) and Cleveland (3).

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 266 professional contacts with verified work emails tracked across these 56 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 20, 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.