Company lists · Data verified August 2026

Top 25 List building services based in Los Angeles, United States

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 236 companies tracked

There are 236 list building services headquartered in Los Angeles, United States (RevenueBase, August 2026). RevenueBase tracks 1,714 professional contacts across them, including 417 with verified work emails and 552 with mobile numbers. New York is the largest hub.

This list covers list building services headquartered in Los Angeles, 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.

236Companies

1,714Contacts tracked

417Verified emails

552Mobile numbers

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The 25 largest list building services based in Los Angeles, United States

Ranked by team size

Top 25 of 236 list building services based in Los Angeles, 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	Marmol Radziner	Los Angeles, CA	51-200	142	84
2	KCS West	Los Angeles, CA	51-200	95	3
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	I-Grace	Los Angeles, CA	51-200	81	50
4	Home Front Build	Los Angeles, CA	11-50	74	9
5	JGM	Los Angeles, CA	51-200	46	22
6	Zenith Engineers INC	Los Angeles, CA	51-200	34	9
7	Torres Construction Corporation	Los Angeles, CA	51-200	32	4
8	TNI Group	Los Angeles, CA	11-50	27	6
9	Houck Construction, INC	Los Angeles, CA	11-50	24	9
10	Richard Holz, INC	Los Angeles, CA	11-50	19	9
11	SPF Architects SPF A	Los Angeles, CA	11-50	19	7
12	Worksmart	Los Angeles, CA	11-50	18	13
13	Fort Hill Construction	Los Angeles, CA	51-200	13	9
14	Large Architecture	Los Angeles, CA	11-50	13	9
15	Tichenor & Thorp Architects, INC	Los Angeles, CA	11-50	12	6
16	Kluger Architects	Los Angeles, CA	11-50	10	7
17	Peter T. Erdelyi & Assoc. Inc.	Los Angeles, CA	11-50	9	5
18	Riley Projects	Los Angeles, CA	11-50	8	6
19	Bela Development	Los Angeles, CA	11-50	8	3
20	Goldenline Construction	Los Angeles, CA	11-50	7	1
21	Mark H. Savel Architects, INC	Los Angeles, CA	11-50	6	4
22	Essey Construction Company INC	Los Angeles, CA	51-200	6	2
23	Vividly Built	Los Angeles, CA	11-50	6	2
24	Dobkin Construction	Los Angeles, CA	11-50	5	2
25	KOM Construction INC	Los Angeles, CA	11-50	5	1

Showing 25 of 236 list building services based in Los Angeles, United States

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List building services based in Los Angeles, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 626 HQs

552Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

159

11-50

51-200

201-500

501-1,000

List building services by metro in the United States

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 Los Angeles, 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; 1 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 Los Angeles, United States?

There are 236 list building services headquartered in Los Angeles, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Marmol Radziner, headquartered in Los Angeles, 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 417 verified decision-maker contacts tracked across these 236 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.