Company lists · Data refreshed September 2026

Top 25 Internal communications agencies based in Chicago, United States

Name: Internal communications agencies based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 89 companies tracked

RevenueBase identified 89 company matches for internal communications agencies associated with Chicago, United States as of September 2026 and tracks 6,327 professional contacts across them, including 718 with verified work emails. Across the United States, New York is the largest hub for this category (269 companies); Chicago follows with 89.

This list covers company matches for internal communications agencies 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 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

89Companies

6,327Contacts tracked

718Verified emails

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The 25 largest internal communications agencies based in Chicago, United States

Ranked by team size

Top 25 of 89 company matches for internal communications agencies based in Chicago, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	LEO Burnett	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	5,001-10,000	5,385 contacts →
	Exact match “Leo Burnett is a communications agency powered by its HumanKind operating system, with the belief that creativity, data and technology work together to transform human behavior…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	RES Publica Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	80 contacts →
	Exact match “Res Publica Group is an independently owned, full-service strategic communications agency.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Zapwater Communications, INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	51 contacts →
	Exact match “Zapwater is an award-winning integrated communications agency specializing in lifestyle brands.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Public Communications INC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	43 contacts →
	Exact match “Public Communications Inc.(PCI) is an award-winning, national, integrated communications firm headquartered in Chicago specializing in healthcare, conservation, nonprofit and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	L.C. Williams & Associates	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	41 contacts →
	Exact match “L.C.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Wunderland Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	27 contacts →
	Exact match “At WunderLand we’re zealous about helping our customers increase customer reach, engagement, advocacy, and brand loyalty through digital, creative, marketing and communications…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Kivvit	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	22 contacts →
	Exact match “We shape narratives, launch brands, engage audiences, and drive policy outcomes.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	RUTH	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	21 contacts →
	Exact match “A data-driven, full-service, award-winning, integrated, global, modern agency from Daniel J.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Reputation Partners, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	19 contacts →
	Exact match “Reputation Partners (RP) is a national strategic communications and public relations firm exclusively focused on building, protecting and restoring organizational and leadership…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	The Grossman Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	19 contacts →
	Exact match “Named Employee Communications Agency of the Year by PRovoke Media, and twice-named Boutique Agency of the Year by PRWeek, Chicago-based The Grossman Group helps leaders and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Heron Agency	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	17 contacts →
	Exact match “Heron is an award-winning, premier lifestyle communications agency.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Flirt Communications, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	15 contacts →
	Exact match “FLIRT Communications is a transformational communications company specializing in events, campaigns and experiences.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Agencymsi Rebranded To The Motion Agency	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	15 contacts →
	Exact match “Motion is a multi-disciplined, integrated marketing agency – wall-to-wall with talented technicians, cutting-edge creative thinkers and strategic storytellers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Narratent Digital Marketing	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	13 contacts →
	Exact match “Narratent is a strategic, creative, and digital agency headquartered in Chicago.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	The Branded Agency	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	12 contacts →
	Exact match “The Branded Agency brings a unique mindset to strategic communications, founded on the principle of providing senior-level integrated agency services, which are otherwise…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	989group	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	11 contacts →
	Exact match “989Group is a marketing communications agency based in Chicago and New York City.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Vertical, Incorporated	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	11 contacts →
	Exact match “Communication.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Ragan Consulting Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	9 contacts →
	Exact match “RCG is a corporate communications consulting firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Beaman Incorporated	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	9 contacts →
	Exact match “Beaman Incorporated is a full-service communications firm that specializes in media relations, corporate communications, advertising and community outreach on a local and national…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Bear Icebox Communications	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	11-50	8 contacts →
	Exact match “Bear Icebox Communications is a Chicago-based strategic communications and public relations agency that helps companies and organizations break through with clear messaging and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Havas Chicago	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	201-500	8 contacts →
	Exact match “We are driven by our relentless quest to be Chicago's most creative company by making a meaningful difference to brands, businesses and people.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Dept. 11, INC	Exact match	Chicago, United StatesHQ recorded Sep 20, 2026	51-200	8 contacts →
	Exact match “Dept.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	JO Communications	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	7 contacts →
	Exact match “Jo Communications is a creative communications agency inspired by the power of design.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Skoog CO	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	1-10	7 contacts →
	Exact match “Skoog is an integrated communications and marketing agency that provides public relations, content marketing, corporate communications, branding, social media, events, and design…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Current Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	201-500	6 contacts →
	Exact match “We don't drift.” Recorded in the RevenueBase company graph · Sep 20, 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 “internal communications agencies”. 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 89 internal communications agencies based in Chicago, United States

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Internal communications agencies based in Chicago, United States at a glance

As of Sep 20, 2026

11.3%Verified-email coverage

71.1Average contacts per company

1-10Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

5,001-10,000

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 89 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 “internal communications agencies” 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 718 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.

Internal communications agencies 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 “internal communications agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal communications agencies are there based in Chicago, United States?

RevenueBase identified 89 company matches for internal communications agencies 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?

LEO Burnett 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 internal communications agencies?

New York leads the United States with 269 company records, followed by Chicago (89) and Los Angeles (72).

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 718 professional contacts with verified work emails tracked across these 89 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.