Company lists · Data verified August 2026

Top 25 Controls engineering staffing based in the United States

Name: Controls engineering staffing 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 1,030 companies tracked

There are 1,030 controls engineering staffing headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 18,817 professional contacts across them, including 4,408 with verified work emails and 6,469 with mobile numbers. Houston is the largest hub.

This list covers controls engineering staffing 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.

1,030Companies

18,817Contacts tracked

4,408Verified emails

6,469Mobile numbers

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The 25 largest controls engineering staffing based in the United States

Ranked by team size

Top 25 of 1,030 controls engineering staffing 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	Englobal	Houston, TX	201-500	1,185	68
2	Wunderlich-Malec Engineering, INC	Lakewood, CO	501-1,000	617	441
3	Volt Technical Resources	Orange, CA	5,001-10,000	585	29
4	Contech Control Services	Beaumont, TX	1,001-5,000	520	180
5	Entegee	Burlington, MA	201-500	463	205
6	Sterling Engineering	Westchester, IL	501-1,000	402	75
7	C4 Technical Services	Eagan, MN	501-1,000	222	34
8	Ryzen Solutions	San Jose, CA	201-500	193	51
9	Proautomated	Newark, DE	201-500	190	104
10	LER Techforce	Columbus, IN	201-500	188	69
11	Electro Design Engineering, INC	Riverview, FL	201-500	177	53
12	CTS International	Issaquah, WA	201-500	147	2
13	Judge Direct Placement	West Chester, PA	1,001-5,000	127	34
14	Solid Personnel	Austin, TX	201-500	120	15
15	C2c Technical Services	League City, TX	201-500	90	20
16	Trillium Professional	Dedham, MA	201-500	87	12
17	Genesis Technical & Industrial Staffing	Mobile, AL	1,001-5,000	81	18
18	Bentley Global Resources And Staffing Services	Oldsmar, FL	201-500	79	23
19	Onesparq	Cleveland, OH	201-500	59	17
20	Etcon Employment Solutions	Gainesville, GA	1,001-5,000	59	6
21	Tekberry, INC	Santa Rosa, CA	201-500	48	8
22	Hepco, INC	Saddle Brook, NJ	201-500	37	11
23	Expert Staffing West	Oxnard, CA	201-500	34	10
24	KCM Technical	Troy, MI	501-1,000	34	8
25	Project Partners	Laguna Hills, CA	201-500	32	10

Showing 25 of 1,030 controls engineering staffing based in the United States

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Controls engineering staffing based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

HoustonLargest hub · 39 HQs

6,469Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

534

11-50

280

51-200

148

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Controls engineering staffing by metro

Metro	Companies
Controls engineering staffing in Houston	39
Controls engineering staffing in Atlanta	15
Controls engineering staffing in Austin	13
Controls engineering staffing in Chicago	13
Controls engineering staffing in Cincinnati	10
Controls engineering staffing in Tampa	9
Controls engineering staffing in Dallas	9

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 “controls engineering staffing”, 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; 7 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 controls engineering staffing are there based in the United States?

There are 1,030 controls engineering staffing headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Englobal, headquartered in Houston, tops this list with the largest team on record.

Which city has the most controls engineering staffing?

Houston leads with 39 headquartered companies, followed by Atlanta (15) and Austin (13).

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 4,408 verified decision-maker contacts tracked across these 1,030 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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Related lists

Controls engineering staffing by geography

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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.