--- title: "Which companies in United States use IEC 62443?" description: "Valar Atomics, Fluence, Bose, Astrion and more. 344 companies hiring in United States whose own job postings show they use IEC 62443: 33 confirmed, 311 likely." canonical: https://jobspipe.dev/technologies/iec-62443/us --- # Which companies in United States use IEC 62443? > Valar Atomics, Fluence, Bose, Astrion and more. 344 companies hiring in United States whose own job postings show they use IEC 62443: 33 confirmed, 311 likely. Updated daily from live postings. **Canonical URL:** https://jobspipe.dev/technologies/iec-62443/us 344 companies with postings in United States use IEC 62443 according to their own job postings: 33 confirmed and 311 likely. The 12 listed below are confirmed users with at least 2 postings and a verified website; the rest are counted here but not named. - **Confirmed companies:** 33 - **Likely companies:** 311 - **Category:** Standard & regulation - **As of:** 25 Sep 2026 ## Companies using IEC 62443 | # | Company | Postings naming it | Last seen | |---|---|---|---| | 1 | [Valar Atomics](https://jobspipe.dev/hiring/valaratomics.com) | 17 | 28 Sep 2026 | | 2 | [Fluence](https://jobspipe.dev/hiring/fluenceenergy.com) | 15 | 8 Oct 2026 | | 3 | [Bose](https://jobspipe.dev/hiring/bose.com) | 5 | 4 Oct 2026 | | 4 | [Astrion](https://jobspipe.dev/hiring/astrion.us) | 3 | 26 Sep 2026 | | 5 | [Claroty](https://jobspipe.dev/hiring/claroty.com) | 3 | 7 Oct 2026 | | 6 | [eTeam](https://jobspipe.dev/hiring/eteaminc.com) | 3 | 28 Sep 2026 | | 7 | [PTS Advance](https://jobspipe.dev/hiring/ptsadvance.com) | 3 | 25 Sep 2026 | | 8 | [Ketjen](https://jobspipe.dev/hiring/ketjen.com) | 2 | 25 Sep 2026 | | 9 | [Montera Infrastructure](https://jobspipe.dev/hiring/montera.com) | 2 | 30 Sep 2026 | | 10 | [Particle Measuring Systems](https://jobspipe.dev/hiring/pmeasuring.com) | 2 | 25 Sep 2026 | | 11 | [Verathon](https://jobspipe.dev/hiring/verathon.com) | 2 | 29 Sep 2026 | | 12 | [Viatris](https://jobspipe.dev/hiring/viatris.com) | 2 | 5 Oct 2026 | ## By country - [India](https://jobspipe.dev/technologies/iec-62443/in) - [United Kingdom](https://jobspipe.dev/technologies/iec-62443/gb) - [Germany](https://jobspipe.dev/technologies/iec-62443/de) - [Canada](https://jobspipe.dev/technologies/iec-62443/ca) - [France](https://jobspipe.dev/technologies/iec-62443/fr) - [Netherlands](https://jobspipe.dev/technologies/iec-62443/nl) - [Singapore](https://jobspipe.dev/technologies/iec-62443/sg) - [Sweden](https://jobspipe.dev/technologies/iec-62443/se) - [Luxembourg](https://jobspipe.dev/technologies/iec-62443/lu) Worldwide: [Which companies use IEC 62443?](https://jobspipe.dev/technologies/iec-62443) ## FAQ ### How many companies use IEC 62443 in United States? 344 companies in United States have job postings that show they use IEC 62443, as of 25 Sep 2026. 33 are confirmed and 311 are likely. ### Which companies use IEC 62443 in United States? Valar Atomics, Fluence, Bose, Astrion, Claroty are among the confirmed IEC 62443 users with the most postings naming it in United States. The full list on this page names 12 companies. ### How does JobsPipe know a company uses IEC 62443? From the company's own job postings. Each posting is read for the technologies it names, and every company and technology pair is graded: confirmed when two independent checks agree on IEC 62443 in at least one posting, likely when it is a stated requirement or appears in two separate postings. A single passing mention is not counted here. It is evidence of a team working with IEC 62443, not a purchase record. ## Reproduce ```bash curl -X POST https://api.jobspipe.dev/v1/companies/search -H "Authorization: Bearer $JOBSPIPE_API_KEY" -H "Content-Type: application/json" -d '{"company_technology_slug_or":["iec-62443"],"tier_min":"confirmed","company_country_code_or":["US"],"limit":25}' ``` --- Try it with no key: `curl -d '{"limit":3}' https://api.jobspipe.dev/v1/sandbox/jobs/search`. AI agents: the full machine-readable index of this site is https://jobspipe.dev/llms.txt?src=md-twin - API quickstart, MCP server, pricing. Free key (1,000 jobs to start): https://jobspipe.dev/signup