Company lists · Data verified August 2026

Top 25 List building services based in the United States

Name: List building services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 16,610 companies tracked

There are 16,610 list building services headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 183,612 professional contacts across them, including 69,941 with verified work emails and 77,599 with mobile numbers. New York is the largest hub.

This list covers list building services headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

16,610Companies

183,612Contacts tracked

69,941Verified emails

77,599Mobile numbers

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The 25 largest list building services based in the United States

Ranked by team size

Top 25 of 16,610 list building services based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Gilbane Building	Providence, RI	1,001-5,000	4,117	1,962
2	Hensel Phelps	Tysons Corner, VA	5,001-10,000	4,065	2,653
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	BL Harbert International LLC	Birmingham, AL	5,001-10,000	2,826	605
4	Sundt Construction	Sacramento, CA	1,001-5,000	2,492	303
5	Clayco	Chicago, IL	1,001-5,000	1,725	1,239
6	Structure Tone	NY	1,001-5,000	1,292	40
7	The Weitz Company	Davenport, IA	1,001-5,000	1,102	516
8	Crossland Construction Company, INC	Wichita, KS	1,001-5,000	886	329
9	Kitchell	Austin, TX	501-1,000	845	409
10	Arco Murray	Minneapolis, MN	501-1,000	825	605
11	GPD Group	Seattle, WA	501-1,000	786	558
12	JRM Construction Management	Boca Raton, FL	501-1,000	778	542
13	Nabholz Corporation	Jonesboro, AR	1,001-5,000	776	208
14	Mcgough	Des Moines, IA	501-1,000	694	400
15	Samet Corporation	North Charleston, SC	501-1,000	602	402
16	MAREK	Buda, TX	1,001-5,000	532	249
17	Plaza Construction	New York, NY	501-1,000	441	76
18	Pike Construction Services	Rochester, NY	501-1,000	386	115
19	Butler Manufacturing	Kansas City, MO	1,001-5,000	357	75
20	Finfrock	Belle Glade, FL	501-1,000	354	191
21	Nan, INC	Honolulu, HI	501-1,000	317	180
22	The Hagerman Group	Fishers, IN	501-1,000	262	3
23	The Conlan Company	Marietta, GA	501-1,000	242	136
24	Office Of The County Engineer	Houston, TX	501-1,000	241	29
25	DCK Worldwide, LLC	Phoenix, AZ	501-1,000	241	5

Showing 25 of 16,610 list building services based in the United States

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List building services based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 626 HQs

77,599Contacts with mobile numbers

522Emails re-verified in last 30 days

Companies by employee count

1-10

9,505

11-50

5,611

51-200

1,160

201-500

158

501-1,000

1,001-5,000

5,001-10,000

List building services by metro

Metro	Companies
List building services in New York	626
List building services in Houston	288
List building services in Los Angeles	236
List building services in Chicago	218
List building services in Miami	200
List building services in Austin	187
List building services in Dallas	178
List building services in Atlanta	167

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “list building services”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 522 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many list building services are there based in the United States?

There are 16,610 list building services headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Gilbane Building, headquartered in Providence, tops this list with the largest team on record.

Which city has the most list building services?

New York leads with 626 headquartered companies, followed by Houston (288) and Los Angeles (236).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 69,941 verified decision-maker contacts tracked across these 16,610 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.