Company lists · Data refreshed September 2026

Top 25 Conference planning services companies based in the United States

Name: Conference planning services companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 8,119 companies tracked

RevenueBase identified 8,119 company matches for conference planning services companies associated with the United States as of September 2026 and tracks 64,776 professional contacts across them, including 17,270 with verified work emails. New York is the largest hub.

This list covers company matches for conference planning services companies 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 19, 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 19, 2026 How this list was built

8,119Companies

64,776Contacts tracked

17,270Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest conference planning services companies based in the United States

Ranked by team size

Top 25 of 8,119 company matches for conference planning services companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	Helmsbriscoe	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,679 contacts →
	Exact match “HelmsBriscoe streamlines the meeting planning process by managing the time-consuming task of researching, contacting, and evaluating venues for your organization’s events.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Gaylord Hotels	Exact match	Bethesda, MD, United StatesHQ recorded Sep 19, 2026	5,001-10,000	1,460 contacts →
	Exact match “Bringing people together is what we do best.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Conferencedirect	Exact match	Folsom, CA, United StatesHQ recorded Sep 19, 2026	501-1,000	664 contacts →
	Exact match “ConferenceDirect is your global partner for meetings and events.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Event 360	Exact match	Parker, CO, United StatesHQ recorded Sep 19, 2026	51-200	516 contacts →
	Exact match “The Event 360 Difference From logistics to execution, coaching to communications, we’re the peer-to-peer fundraising event production company that does it all, so you can focus…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Classic Party Rentals	Exact match	Inglewood, CA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	442 contacts →
	Exact match “As the nation's leading event rentals and services provider with over 25 locations, Classic Party Rentals is the backbone for more than events and celebrations per year.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Shepard	Exact match	Atlanta, TX, United StatesHQ recorded Sep 19, 2026	501-1,000	410 contacts →
	Exact match “Shepard is a nationwide event production company with a rich legacy dating back to 1905.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	PRA Business Events	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	201-500	405 contacts →
	Exact match “At PRA, we don’t just execute-we imagine what’s next.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Meetings & Incentives Worldwide, INC	Exact match	Caledonia, WI, United StatesHQ recorded Sep 19, 2026	201-500	370 contacts →
	Exact match “M & IW is a women-owned event agency specializing in planning meetings, conferences, and incentives of all scales worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Fatz Southern Kitchen Catering By Fatz Cafe	Exact match	Greenville, SC, United StatesHQ recorded Sep 19, 2026	1,001-5,000	360 contacts →
	Exact match “Fatz Southern Kitchen is the catering division of Fatz Cafe.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Media Star Promotions	Exact match	Hunt Valley, MD, United StatesHQ recorded Sep 19, 2026	501-1,000	304 contacts →
	Exact match “Media Star Promotions’ agency experience spans more than three decades specializing in brand strategy, but we don’t stop there.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	On Services	Exact match	Norcross, GA, United StatesHQ recorded Sep 19, 2026	201-500	303 contacts →
	Exact match “For over 40 years, ON Services has been the power behind powerful experiences.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Hyatt Regency Chicago	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	201-500	298 contacts →
	Exact match “The largest hotel in Chicago, Hyatt Regency Chicago offers square feet of space in a variety of venue types to accommodate any event.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Enterprise Events Group	Exact match	San Rafael, CA, United StatesHQ recorded Sep 19, 2026	201-500	283 contacts →
	Exact match “Since 1995, Enterprise Events Group (EEG) has done one thing exceptionally well: provide full-service, world-class global event management to Fortune 500 clients.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Hargrove From Encore	Exact match	Lanham, MD, United StatesHQ recorded Sep 19, 2026	201-500	260 contacts →
	Exact match “Events \| Exhibits \| Expos \| Experiences Hargrove is your full-service event partner for strategy, creative, fabrication & production.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	LASSO	Exact match	Nashville, TN, United StatesHQ recorded Sep 19, 2026	51-200	222 contacts →
	Exact match “LASSO is the all-in-one platform where event companies work.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Projection	Exact match	Springfield, VA, United StatesHQ recorded Sep 19, 2026	51-200	212 contacts →
	Exact match “Projection is a full-service, nationwide event production company serving the meetings and convention industry for over 50 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Blue Plate	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	201-500	211 contacts →
	Exact match “Blue Plate was founded in 1983 by Jim Horan, a social worker who spent his weekends cooking for friends’ parties - driven by a passion for bringing people together through food.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Walters Hospitality	Exact match	Hickory Creek, TX, United StatesHQ recorded Sep 19, 2026	501-1,000	205 contacts →
	Exact match “Since our establishment in 2006, we have continuously strive to create exceptional experiences and lifelong memories for both our couples and employees.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	RMC Events INC	Exact match	Mechanicsville, VA, United StatesHQ recorded Sep 19, 2026	1,001-5,000	198 contacts →
	Exact match “RMC Events is Virginia’s premier event services/staffing organization.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Windows Catering	Exact match	Alexandria, VA, United StatesHQ recorded Sep 19, 2026	201-500	198 contacts →
	Exact match “Since 1987, Windows Catering has been the premier partner for elevated dining and flawless event experiences in the Washington D.C.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	The Hype Agency	Exact match	Salem, NH, United StatesHQ recorded Sep 19, 2026	1,001-5,000	185 contacts →
	Exact match “Hi there.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Inproduction	Exact match	Warrenville, IL, United StatesHQ recorded Sep 19, 2026	201-500	182 contacts →
	Exact match “ABOUT US InProduction has evolved into the largest provider of seating, staging, structures, & scenic for events.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Puff 'n Stuff Catering And Events	Exact match	Orlando, FL, United StatesHQ recorded Sep 19, 2026	51-200	178 contacts →
	Exact match “Puff ’n Stuff Catering has been Orlando’s premier catering and full-service event planning company for almost 30 years, and is now the largest of its kind in Central Florida and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Cescaphe	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 19, 2026	201-500	176 contacts →
	Exact match “Cescaphe is an event planning company servicing a boutique collection of unique venues and renowned for its culinary expertise, professionalism and attention to detail.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	YCC	Exact match	Wilmington, NC, United StatesHQ recorded Sep 19, 2026	n/a	166 contacts →
	Exact match “Your Conference Connection (YCC) offers a kaleidoscope of services to fulfill your organization's conference, association management, and or service-based needs.” Recorded in the RevenueBase company graph · Sep 19, 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 “conference planning services 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 8,119 conference planning services companies based in the United States

See the full list, filter by size, metro and specialty, and access 17,270 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Conference planning services companies based in the United States at a glance

As of Sep 19, 2026

26.7%Verified-email coverage

8.0Average contacts per company

1-10Median size (employees)

5.7%Largest-city concentration · New York

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

5,782

11-50

1,739

51-200

434

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 8,119 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 “conference planning services 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 17,270 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 19, 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.

Conference planning services companies by metro

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 “conference planning services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many conference planning services companies are there based in the United States?

RevenueBase identified 8,119 company matches for conference planning services companies 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?

Helmsbriscoe tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most conference planning services companies?

New York leads with 463 company records, followed by Los Angeles (236) and Chicago (201).

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 17,270 professional contacts with verified work emails tracked across these 8,119 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 8,119 conference planning services companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Conference planning services companies by geography

Browse the directory

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.