Company lists · Data refreshed September 2026

Top 25 Systems engineering staffing companies worldwide

Name: Systems engineering staffing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 8,661 companies tracked

RevenueBase identified 8,661 systems engineering staffing companies worldwide as of September 2026 and tracks 182,716 professional contacts across them, including 34,227 with verified work emails. The United States is the largest market and London the largest hub.

This list covers systems engineering staffing companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for systems engineering staffing companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

8,661Companies

182,716Contacts tracked

34,227Verified emails

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The 25 largest systems engineering staffing companies worldwide

Ranked by team size

Top 25 of 8,661 systems engineering staffing companies worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to systems engineering staffing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Airswift	Partial evidence	Houston, TX, United StatesHQ checked Sep 29, 2026	501-1,000	2,128 contacts →
	Partial evidence “We support STEM professionals looking for jobs with exceptional firms in the technology and engineering sectors.” Source: RevenueBase Database · checked Sep 29, 2026
2	Scientific Research Corporation	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,917 contacts →
	Partial evidence “Scientific Research Corporation is an advanced engineering company that was founded in 1988 to provide innovative solutions to the U.S.” Source: RevenueBase Database · checked Sep 29, 2026
3	MEDIX	Partial evidence	Chicago, IL, United StatesHQ checked Sep 29, 2026	501-1,000	1,753 contacts →
	Partial evidence “Medix provides workforce solutions to clients and creates opportunity for talent in the Healthcare, Life Sciences, Engineering and Technology fields.” Source: RevenueBase Database · checked Sep 29, 2026
4	Magna Infotech	Indirect evidence	Bangalore, IndiaHQ checked Sep 29, 2026	10001+	1,702 contacts →
	Indirect evidence “We are the largest IT staff augmentation provider in India, with employees spread across 500+ skill sets.” Source: RevenueBase Database · checked Sep 29, 2026
5	Bowman Consulting	Partial evidence	Reston, VA, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,666 contacts →
	Partial evidence “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Source: RevenueBase Database · checked Sep 29, 2026
6	Nesco Resource	Indirect evidence	Mayfield Heights, OH, United StatesHQ checked Sep 29, 2026	501-1,000	1,599 contacts →
	Indirect evidence “Companies need talent.” Source: RevenueBase Database · checked Sep 29, 2026
7	Infotree Global Solutions	Indirect evidence	Plymouth, MI, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,545 contacts →
	Indirect evidence “Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies…” Source: RevenueBase Database · checked Sep 29, 2026
8	Brooksource	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,480 contacts →
	Indirect evidence “At Brooksource, relationships are at the center of everything we do.” Source: RevenueBase Database · checked Sep 29, 2026
9	System ONE	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 29, 2026	5,001-10,000	1,386 contacts →
	Strong evidence “System One is a leading provider of specialized, highly technical outsourced services, workforce solutions, staffing, and recruiting to critical infrastructure, technology, life…” Source: RevenueBase Database · checked Sep 29, 2026
10	DPS Group Global	Partial evidence	Amsterdam, United KingdomHQ checked Sep 29, 2026	1,001-5,000	1,312 contacts →
	Partial evidence “DPS is a global consulting, engineering and construction management company, serving high-tech industries around the world.” Source: RevenueBase Database · checked Sep 29, 2026
11	Outsource	Partial evidence	El Segundo, CA, United StatesHQ checked Sep 29, 2026	n/a	1,230 contacts →
	Partial evidence “Outsource is the largest staffing firm in the nation specializing in the placement of low voltage and electrical talent.” Source: RevenueBase Database · checked Sep 29, 2026
12	TRS Staffing Solutions	Strong evidence	Greenville, United StatesHQ checked Sep 29, 2026	201-500	1,187 contacts →
	Strong evidence “TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Source: RevenueBase Database · checked Sep 29, 2026
13	Motion Recruitment	Indirect evidence	Boston, MA, United StatesHQ checked Sep 29, 2026	501-1,000	1,150 contacts →
	Indirect evidence “Motion Recruitment, a Kelly® Company, delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery…” Source: RevenueBase Database · checked Sep 29, 2026
14	ARI	Partial evidence	East Peoria, IL, United StatesHQ checked Sep 29, 2026	1,001-5,000	979 contacts →
	Partial evidence “ARi is a global engineering firm headquartered in East Peoria, Illinois, USA offering services for: Embedded Software, Product Engineering, Manufacturing Engineering and Testing &…” Source: RevenueBase Database · checked Sep 29, 2026
15	Viveris	Partial evidence	Boulogne-billancourt, FranceHQ checked Sep 29, 2026	1,001-5,000	833 contacts →
	Partial evidence “Viveris is a consulting and engineering company with two main activities - IT consulting.” Source: RevenueBase Database · checked Sep 29, 2026
16	Alten Sweden	Partial evidence	Gothenburg, SwedenHQ checked Sep 29, 2026	1,001-5,000	806 contacts →
	Partial evidence “ALTEN is one of Europe’s largest consulting companies within Engineering, IT and Life Sciences focused on ’.” Source: RevenueBase Database · checked Sep 29, 2026
17	Integrated Resources, INC IRI	Partial evidence	Edison, NJ, United StatesHQ checked Sep 29, 2026	501-1,000	762 contacts →
	Partial evidence “Integrated Resources Inc.(IRI) is a professional staffing firm specializing in contract, consulting & full time positions in the area of Information Technology, Life Science and…” Source: RevenueBase Database · checked Sep 29, 2026
18	JSG Johnson Service Group, INC	Partial evidence	Westmont, IL, United StatesHQ checked Sep 29, 2026	5,001-10,000	757 contacts →
	Partial evidence “Johnson Service Group, Inc.(JSG) is a leader in the staffing and consulting services industry, with 40 years of experience investing in people and companies.” Source: RevenueBase Database · checked Sep 29, 2026
19	Cynet Systems	Partial evidence	Sterling, VA, United StatesHQ checked Sep 29, 2026	1,001-5,000	732 contacts →
	Partial evidence “Headquartered in Washington DC Metro Area, Cynet Systems is a top talent supplier for companies across North America.” Source: RevenueBase Database · checked Sep 29, 2026
20	NES Global Talent	Partial evidence	United KingdomHQ checked Sep 29, 2026	1,001-5,000	726 contacts →
	Partial evidence “NES Global Talent provided engineering and technical personnel to the Oil & Gas, Power, Life Science and mining sectors.” Source: RevenueBase Database · checked Sep 29, 2026
21	Varite INC	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 29, 2026	1,001-5,000	711 contacts →
	Indirect evidence “VARITE has a definite spirit.” Source: RevenueBase Database · checked Sep 29, 2026
22	Zenith Infotech	Indirect evidence	City Hall, SingaporeHQ checked Sep 29, 2026	201-500	695 contacts →
	Indirect evidence “Zenith Infotech (S) Pte Ltd.” Source: RevenueBase Database · checked Sep 29, 2026
23	Consultadd INC	Partial evidence	New York, NY, United StatesHQ checked Sep 29, 2026	201-500	685 contacts →
	Partial evidence “Consultadd is a leading IT staffing and workforce solutions partner, helping U.S.” Source: RevenueBase Database · checked Sep 29, 2026
24	Smith Andersen	Partial evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	501-1,000	672 contacts →
	Partial evidence “What does it take to be one of Canada’s most respected integrated engineering firms?” Source: RevenueBase Database · checked Sep 29, 2026
25	Aviation Recruiting	Partial evidence	Fleming Island, FL, United StatesHQ checked Sep 29, 2026	n/a	644 contacts →
	Partial evidence “Aviation Recruiting is a premier staffing firm supporting the permanent placement staffing needs of aviation companies, worldwide.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: systems engineering staffing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names systems engineering staffing companies.
Partial evidence: Its own public description names part of systems engineering staffing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name systems engineering staffing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 8,661 systems engineering staffing companies worldwide

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Systems engineering staffing companies worldwide at a glance

As of Sep 29, 2026

18.7%Verified-email coverage

21.1Average contacts per company

11-50Median size (employees)

2.1%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

3,785

11-50

2,779

51-200

1,427

201-500

399

501-1,000

140

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among systems engineering staffing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for systems engineering staffing companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “systems engineering staffing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names systems engineering staffing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among systems engineering staffing companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 34,227 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Systems engineering staffing companies by location

45 lists · largest first

Every Systems engineering staffing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names systems engineering staffing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many systems engineering staffing companies are there worldwide?

RevenueBase identified 8,661 systems engineering staffing companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which country has the most systems engineering staffing companies?

The United States leads with 3,991 companies, followed by the United Kingdom (738) and India (671). Every systems engineering staffing companies list by country and city is linked on this page.

Which city has the most systems engineering staffing companies?

London leads with 179 headquartered companies, followed by New York (97) and Hyderabad (95).

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 34,227 verified decision-maker contacts tracked across these 8,661 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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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 Smart Search, 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.