We found 1,475 companies that use ThreadX. 686 of them name it in their own job posts, and the rest through employees' public profiles. Its share of job posts held steady in the three months to August 2026; 627 job posts named it from October 2025 to August 2026. Firmware Engineer is the role that names it most often.
Which companies name ThreadX in the most job posts?
Microchip Technology Inc., Celestica and Schneider Electric are among the companies with the most job posts naming ThreadX. Celestica is the newest of the five companies in the table, with its first job post naming it in January 2024.
CompanyPostsPeopleRecent job post
Microchip Technology Inc.Manufacturing · first seen Aug 2022687
"Threadx or RTOS knowledge."Engineer II - Validation (Systems), Sep 4, 2026
CelesticaManufacturing · first seen Jan 2024592
"Knowledge of real time OS like ThreadX is a plus."staff engineer, software, Oct 22, 2026
Schneider ElectricUtilities · first seen Jun 20235814
"Design and develop applications and drivers on Linux (Yocto, I2C, Serial drivers) and RTOS systems (Free RTOS/Threadx) platform."Principal Firmware Engineer, May 2, 2026
MedtronicManufacturing · first seen Jun 2023496
"Experience developing embedded software using an RTOS such as ThreadX, FreeRTOS, Zephyr, or a comparable RTOS."Embedded Software Engineer II, Nov 5, 2026
STERISManufacturing · first seen Sep 2022482
"…of operating systems, which may include real-time operating systems (RTOS) such as RTXC, ThreadX, and QNX as well as traditional operating systems such as Linux and Windows standard or embedded is…"Manager, Software Engineering, May 23, 2026
Demand for ThreadX is steady: 0.34 in every 10,000 job posts from June to August 2026, close to the 0.36 of March to May. From October to December 2025 it was 0.29.
Show the data
Month
Job posts naming ThreadX
All job posts
Per 10,000
Oct 2025
38
1,413,673
0.27
Nov 2025
55
1,822,119
0.30
Dec 2025
35
1,236,103
0.28
Jan 2026
62
1,828,002
0.34
Feb 2026
55
1,856,647
0.30
Mar 2026
66
1,850,711
0.36
Apr 2026
58
1,728,886
0.34
May 2026
70
1,821,509
0.38
Jun 2026
64
1,909,496
0.34
Jul 2026
55
1,815,180
0.30
Aug 2026
69
1,835,698
0.38
How many companies named ThreadX in a job post for the first time in recent months?
ThreadX showed up in job posts at 49 companies for the first time from June to August 2026, and 42 in the three months before. From October 2025 to August 2026, 162 companies named it in a job post for the first time.
March to May 202642
June to August 202649
October 2025 to August 2026162
Companies whose first job post naming it appeared in that period. Recruiters, staffing firms and job boards are left out.
How do we know which companies use ThreadX?
Employees' profiles add 789 companies to the 686 that name ThreadX in job posts. 138 show up in both job posts and employees' profiles.
How we knowCompaniesShare
Job posts name ThreadX
68647%
Employees' profiles list ThreadX
78953%
1,475 companies. Each is counted once, under the strongest evidence we have for it.
What size are the companies that use ThreadX?
No size of company stands out for ThreadX. Companies with 50 to 999 employees make up the largest group, at 41%. The second-largest group is companies with fewer than 50 employees, at 24%.
Share of its companies
Typical tech page
ShareTypical
Under 50 employees
24%22%
50 to 999
41%38%
1,000 to 5,000
16%17%
Over 5,000
20%23%
Where are ThreadX companies based?
Beyond the United States (46%), ThreadX is unusually common in India, at 12% of its companies. Its companies are based in 55 countries and territories.
ShareTypical
United States
46%43%
India
12%6.9%
United Kingdom
4.6%6.4%
Germany
4.5%4.4%
France
4.2%4.6%
Canada
2.8%3.6%
Companies in 55 countries and territories. Shares are of companies with a known headquarters country.
Show the data
Country
Companies
Share
Typical tech page
United States
642
46%
43%
India
162
12%
6.9%
United Kingdom
65
4.6%
6.4%
Germany
63
4.5%
4.4%
France
59
4.2%
4.6%
Canada
39
2.8%
3.6%
Which teams work with ThreadX?
ThreadX job posts name R&D and firmware teams at 17 and 14 companies. Third is software, at 12 companies.
TeamCompanies
R&D
17
Firmware
14
Software
12
Engineering
9
Embedded software
6
Product development
4
What else do ThreadX companies use?
Verdi, SDIO and FreeRTOS show up far more often at ThreadX companies than at companies of the same size. Next is Innovus: 7.5% of these companies use it, against 0.06% of similar ones.
Share of the 402 ThreadX companies counted here whose job posts also name the tool
Typical for companies the same size
Which companies started naming ThreadX in job posts recently?
Between April and August 2026, ThreadX appeared for the first time in job posts at 47 companies: 27 commercial, 4 mid-market and 16 enterprise. Among the new enterprise companies, Ericsson posted the most jobs naming it: 4.
Companies that named ThreadX in a job post for the first time between April and August 2026, ranked by their job posts in those months. AI-native companies get a group of their own, whatever their size. Recruiters and job boards are left out.
Which roles mention ThreadX most?
Firmware Engineer is the most common role, in 37% of job posts naming ThreadX. Firmware Engineer posts naming it numbered 77 from March to May 2026 and 58 from June to August.
RoleSharePosts
Firmware Engineer
37%230
Embedded Engineer
28%173
Software Engineer
14%85
Aerospace Engineer
1.4%9
Engineer
1.4%9
Product Security
1.4%9
Show the data
Role
Share
Oct 2025 to Aug 2026
Mar to May 2026
Jun to Aug 2026
Firmware Engineer
37%
230
77
58
Embedded Engineer
28%
173
44
52
Software Engineer
14%
85
22
35
Aerospace Engineer
1.4%
9
5
0
Engineer
1.4%
9
3
4
Product Security
1.4%
9
0
5
About this data
Sumble built this page. Sumble gives sales, marketing and other GTM teams technographics and hiring signals for the companies they sell to: the technologies each company uses, which teams are hiring and for what, and who reports to whom. That helps a team know who to contact, why now, and what to say.
Sumble covers more than 3.6 million companies, 93 million job posts collected since 2022 and 194 million employee profiles, and tracks more than 37,000 technologies. It finds which technologies a company uses by reading its job posts and its employees' public profiles.
Sumble has a free plan, and the same data is available through its API and MCP server.
A company counts when its own job posts or its employees' public profiles name the technology. Hiring is that technology's share of all job posts collected each month. Quotes are copied word for word from the companies' job posts.
Every figure on this page comes from Sumble's own analysis, and you won't find it outside Sumble.
