Company lists · Data refreshed September 2026

Top 25 Office building owners based in Chicago, United States

Name: Office building owners based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 78 companies tracked

RevenueBase identified 78 company matches for office building owners associated with Chicago, United States as of September 2026 and tracks 3,870 professional contacts across them, including 1,126 with verified work emails. Across the United States, New York is the largest hub for this category (174 companies); Chicago has 78.

This list covers company matches for office building owners associated with Chicago, 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 17, 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 17, 2026 How this list was built

78Companies

3,870Contacts tracked

1,126Verified emails

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The 25 largest office building owners based in Chicago, United States

Ranked by team size

Top 25 of 78 company matches for office building owners based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Revantage, A Blackstone Portfolio Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	501-1,000	621 contacts →
	Exact match “A global corporate services leader proudly serving Blackstone Real Estate portfolio companies and investments.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	East Lake	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	501-1,000	175 contacts →
	Exact match “East Lake is a leader in providing quality real estate services, including property, facilities & construction management, development, owner's representation, and program…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Sterling BAY	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	149 contacts →
	Exact match “We are a national real estate company managing a portfolio that exceeds $5 billion in assets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	MB Real Estate	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	201-500	140 contacts →
	Exact match “Working with MB Real Estate is about an independent mindset, and you are the focus.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Marc Realty	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	201-500	138 contacts →
	Exact match “Marc Realty is a full-service commercial real estate company that prides itself on owning, managing and leasing the best-located office buildings in the Chicago metropolitan area.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Expansive	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	134 contacts →
	Exact match “Expansive creates exceptional workspaces where people and companies thrive.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Bradford Allen	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	129 contacts →
	Exact match “Bradford Allen is a national commercial real estate firm headquartered in downtown Chicago.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Realty & Mortgage CO	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	11-50	88 contacts →
	Exact match “Founded in 1906, Realty & Mortgage Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	33 Realty	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	87 contacts →
	Exact match “33 Realty is a fully integrated real estate services company with Leasing, Property Management, Distressed Real Estate Services and Investment and Sales Brokerage operations that…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	EQ Office NOW Perform Properties	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	85 contacts →
	Exact match “While other real estate owners talk about square footage and floor plans, we focus on the experience.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Vanderbilt Office Properties	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	85 contacts →
	Exact match “Founded in 2014, Vanderbilt Office Properties, LLC is a privately held, vertically integrated real estate investment manager.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Urban Innovations	Exact match	Chicago, United StatesHQ recorded Sep 17, 2026	51-200	70 contacts →
	Exact match “welcome to urban innovations Urban Innovations, Ltd.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	The John Buck Company	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	70 contacts →
	Exact match “Since 1981, The John Buck Company has reshaped the way real estate business is done.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Mccaffery	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	58 contacts →
	Exact match “McCaffery is a privately owned, full-service commercial real estate company that has been in the business of investing, developing, leasing and managing real estate for more than…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Glenstar	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	48 contacts →
	Exact match “Glenstar is a Chicago-based commercial real estate company specializing in industrial development, reimagined office and multi-family properties.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	HSA Commercial Real Estate	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	43 contacts →
	Exact match “Chicago-based HSA Commercial Real Estate is a diversified, national full-service commercial real estate firm that provides development, management, leasing and client services in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Baum Realty Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	11-50	38 contacts →
	Exact match “Chicago-based Baum Realty Group, LLC is a nationally regarded industry leader with more than 30 years of experience in commercial real estate brokerage.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Hansen Realty, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	30 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Fairbourne Properties	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “Fairbourne Properties, LLC is a full service real estate investment and property management company focusing on acquiring, managing and asset managing office, retail, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	HEARN	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “HEARN has owned and operated institutional quality commercial real estate throughout the United States for over 40 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Equity Commonwealth	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Equity Commonwealth (NYSE: EQC) is a Chicago based, internally managed and self-advised real estate investment trust (REIT) with commercial office properties in the United States.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Inter Continental Real Estate & Development	Exact match	Chicago, United StatesHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “Inter Continental Real Estate & Development Corporation (ICD) is a full-service real estate and development company, which has been in operation for over 35 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Rentlife LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “We are a passionate team of problem solvers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Urban Investment Research Corporation Uirc	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	51-200	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Telos Group, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “The Telos Group provides leasing, marketing and consulting services in Chicago and consulting services for real estate businesses nationwide.” Recorded in the RevenueBase company graph · Sep 17, 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 “office building owners”. 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 78 office building owners based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 1,126 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Office building owners based in Chicago, United States at a glance

As of Sep 17, 2026

29.1%Verified-email coverage

49.6Average contacts per company

11-50Median size (employees)

Sep 17, 2026Page data 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 for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 78 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 Chicago, United States whose business descriptions match “office building owners” 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 1,126 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 17, 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.

Office building owners 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 “office building owners”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many office building owners are there based in Chicago, United States?

RevenueBase identified 78 company matches for office building owners associated with Chicago, 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?

Revantage, A Blackstone Portfolio Company 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 office building owners?

New York leads the United States with 174 company records, followed by Houston (89) and Los Angeles (83). Chicago has 78.

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 1,126 professional contacts with verified work emails tracked across these 78 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 17, 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.