Company lists · Data verified August 2026

Top 25 List building services based in Houston, United States

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 288 companies tracked

There are 288 list building services headquartered in Houston, United States (RevenueBase, August 2026). RevenueBase tracks 5,066 professional contacts across them, including 1,101 with verified work emails and 2,034 with mobile numbers. New York is the largest hub.

This list covers list building services headquartered in Houston, 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.

288Companies

5,066Contacts tracked

1,101Verified emails

2,034Mobile numbers

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The 25 largest list building services based in Houston, United States

Ranked by team size

Top 25 of 288 list building services based in Houston, 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	Office Of The County Engineer	Houston, TX	501-1,000	241	29
2	Gordon Highlander	Houston, TX	51-200	146	124
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	Powers Brown Architecture	Houston, TX	51-200	121	99
4	Structura INC	Houston, TX	51-200	94	60
5	SPD Construction, LLC	Houston, TX	11-50	94	35
6	Ziegler Cooper Architects	Houston, TX	51-200	69	45
7	Level Construction, INC	Houston, TX	11-50	58	26
8	Brookstone Construction	Houston, TX	51-200	54	36
9	Endurance Builders	Houston, TX	11-50	53	42
10	Energy Architecture, INC	Houston, TX	11-50	42	28
11	KAI Kathy Andrews Interiors, INC	Houston, TX	51-200	40	31
12	CTC Contractors, LLC	Houston, TX	51-200	34	24
13	Northwinds Construction	Houston, TX	51-200	31	10
14	The Barron Companies, INC	Houston, TX	11-50	30	2
15	EMC Services INC	Houston, TX	11-50	25	9
16	CDI Douglass Pye, INC	Houston, TX	11-50	22	12
17	Rise Construction	Houston, TX	11-50	22	2
18	AIS Designs CO	Houston, TX	11-50	20	10
19	American Platinum Builders INC	Houston, TX	11-50	19	10
20	Garrison Construction Group, LLC	Houston, TX	11-50	18	12
21	The Gonzalez Group	Houston, TX	11-50	18	7
22	ICON	Houston, TX	11-50	18	6
23	Rice & Gardner	Houston, TX	11-50	17	15
24	MTY Builders, INC	Houston, TX	11-50	17	7
25	Browne Mcgregor Architects INC	Houston, TX	11-50	16	12

Showing 25 of 288 list building services based in Houston, United States

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List building services based in Houston, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 626 HQs

2,034Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

165

11-50

51-200

201-500

501-1,000

1,001-5,000

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 Houston, 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; 8 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 Houston, United States?

There are 288 list building services headquartered in Houston, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Office Of The County Engineer, headquartered in Houston, 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 1,101 verified decision-maker contacts tracked across these 288 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.