Company lists · Data refreshed September 2026

Top 25 Apartment building investment companies based in Philadelphia, United States

Name: Apartment building investment companies based in Philadelphia, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 183 companies tracked

RevenueBase identified 183 company matches for apartment building investment companies associated with Philadelphia, United States as of September 2026 and tracks 3,681 professional contacts across them, including 1,499 with verified work emails. Across the United States, New York is the largest hub for this category (1,236 companies); Philadelphia has 183.

This list covers company matches for apartment building investment companies associated with Philadelphia, 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 30, 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 30, 2026 How this list was built

183Companies

3,681Contacts tracked

1,499Verified emails

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The 25 largest apartment building investment companies based in Philadelphia, United States

Ranked by team size

Top 25 of 183 company matches for apartment building investment companies based in Philadelphia, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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	Brandywine Realty Trust	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	201-500	418 contacts →
	Exact match “Our purpose is to shape, connect and inspire the world around us through our expertise, the relationships we foster, the communities in which we live and work, and the history we…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Goldoller Real Estate Investments	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	501-1,000	325 contacts →
	Exact match “At GoldOller Real Estate Investments, we recognize that each interaction with our clients, employees, and residents is an investment in a valuable relationship.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Pennrose	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	201-500	323 contacts →
	Exact match “For over 50 years, Pennrose has combined quality development and proven management to create great lifestyles for our residents.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Independence Realty Trust INC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	501-1,000	280 contacts →
	Exact match “Independence Realty Trust ("IRT")(NYSE MKT: IRT) is a publicly traded real estate investment trust (REIT) which owns and manages communities containing more than apartment homes…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	PRG Real Estate	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	201-500	247 contacts →
	Exact match “PRG Real Estate was founded by Jon Goodman and Steven Berger in 1985 to purchase and operate multifamily communities nationwide.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Aion Management	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	201-500	211 contacts →
	Exact match “AION Management is one of the fastest-growing property management companies in the Mid-Atlantic, overseeing more than apartment homes across the region.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	PMC Property Group, INC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	201-500	196 contacts →
	Exact match “Philadelphia-based PMC Property Group is a vertically integrated real estate development company focusing on the new construction, renovation, adaptive reuse, and conversion of…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Post Brothers	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	51-200	166 contacts →
	Exact match “Post Brothers was founded in 2006 by Matthew and Michael Pestronk to exclusively focus on creating and operating infill, class-A, “best-in-class” apartment buildings at a superior…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Alterra Property Group	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	51-200	88 contacts →
	Exact match “Alterra Property Group, LLC (“Alterra”) is an established real estate investment, development, and management company based in Philadelphia, PA.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Rubenstein Partners	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	51-200	70 contacts →
	Exact match “Rubenstein Partners is the fund manager for a series of private equity funds focused on office investments throughout the United States.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	GY Properties	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	51-200	66 contacts →
	Exact match “GY Properties is a U.S.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Lubert Adler Partners	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	40 contacts →
	Exact match “Lubert-Adler, with offices in Philadelphia, New York, and Atlanta, is an institutional real estate investment manager focused on building a diversified portfolio of cash-flowing…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	LEM Capital	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	40 contacts →
	Exact match “LEM Capital is a real estate private equity firm with a 23-year track record focused on protecting investor downside and building portfolios designed to deliver dependable current…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	TCS Management Services	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	51-200	40 contacts →
	Exact match “TCS Management Services is a full-service property management firm specializing in investor-owned single-family homes, condos, and apartments.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	GNR Group	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	51-200	37 contacts →
	Exact match “GNR Group is a real estate investment firm comprised of specialized companies operating across the East Coast, with a core focus on the Single-Family Rental (SFR) sector and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Arden Group	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	31 contacts →
	Exact match “Arden Group is a privately held, vertically-integrated real estate fund manager, investor, and operator that owns and finances properties across the United States.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Switzenbaum & Associates	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	51-200	30 contacts →
	Exact match “Switzenbaum & Associates is a vertically integrated real estate investment, development and management company with an emphasis today on investing in multi-family apartments.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Reinhold Residential	Exact match	Philadelphia, United StatesHQ recorded Sep 30, 2026	51-200	29 contacts →
	Exact match “The city’s best architectural secrets are transformed into sleek modern residences through Reinhold Residential, an owner, developer, and manager of luxury apartments for rent in…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Woodward Properties, INC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	51-200	26 contacts →
	Exact match “At Woodward Properties it is our team's mission to exercise the highest levels of pride, integrity and passion, while providing quality apartment homes in well maintained…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Pearl Properties Commercial Management LLC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	26 contacts →
	Exact match “Pearl Properties, Philadelphia’s premier full-service real estate investment and development firm, is engaged in the acquisition, development and management of core-plus mixed-use…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	MPN Realty	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	25 contacts →
	Exact match “MPN Realty's services are built on two simple, but essential pillars: We will always place our clients’ interests first and we will deliver superior results.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Stamm Development Group	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	22 contacts →
	Exact match “Stamm Development Group (“SDG”) is one of Philadelphia and South Florida's leading private real estate development firms.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Alliance HP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	20 contacts →
	Exact match “Alliance Partners HP, LLC (“Alliance”) is a private real estate investment and operating company focused on opportunistic and core plus investments in commercial properties…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	AMC Delancey Group, INC	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	20 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Greenzang Properties	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 30, 2026	11-50	17 contacts →
	Exact match “Family owned real estate business, founded in 1994 by Michael Greenzang.” Recorded in the RevenueBase company graph · Sep 30, 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 “apartment building investment companies”. 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 183 apartment building investment companies based in Philadelphia, United States

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Apartment building investment companies based in Philadelphia, United States at a glance

As of Sep 30, 2026

40.7%Verified-email coverage

20.1Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

110

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 183 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 Philadelphia, United States whose business descriptions match “apartment building investment companies” 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 1,499 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 30, 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.

Apartment building investment companies 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 “apartment building investment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many apartment building investment companies are there based in Philadelphia, United States?

RevenueBase identified 183 company matches for apartment building investment companies associated with Philadelphia, 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?

Brandywine Realty Trust 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 apartment building investment companies?

New York leads the United States with 1,236 company records, followed by Los Angeles (599) and Chicago (517). Philadelphia has 183.

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 1,499 professional contacts with verified work emails tracked across these 183 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 30, 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.