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F4 Industries

Pre-Seed
f4.dev/IndustrialsSan Francisco, CA, USA
Market index

Market data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 6:14 PM

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

What they do

F4 Industries — GD&T Analysis Automated compliance and tolerance analysis for mechanical drawings.

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jun 2025). Investors: Y Combinator. (High).

Quick read

  • •F4 Industries — GD&T Analysis Automated compliance and tolerance analysis for mechanical drawings.
  • •Reported angle: F4 Industries | GD&T Analysis Software for Engineering Drawings
  • •Indexed activity snapshot: 1 funding‑related row(s), 2 hiring‑related, 0 GitHub‑tagged, 3 product/news‑style — scoring reflects corpus coverage only.

Stage

Seed (YC)

Evidence summary

Verified facts

  • •F4 Industries — GD&T Analysis Automated compliance and tolerance analysis for mechanical drawings.
  • •Reported angle: F4 Industries | GD&T Analysis Software for Engineering Drawings
  • •Indexed activity snapshot: 1 funding‑related row(s), 2 hiring‑related, 0 GitHub‑tagged, 3 product/news‑style — scoring reflects corpus coverage only.

Recent movers

  • •May 11, 2026 · Blog / news — F4 Industries | GD&T Analysis Software for Engineering Drawings
  • •May 11, 2026 · Careers — F4 Industries | GD&T Analysis Software for Engineering Drawings
  • •May 20, 2026 · ycombinator.com — F4 Industries | Y Combinator
  • •May 11, 2026 · Blog / news — F4 Industries | GD&T Analysis Software for Engineering Drawings
  • •May 11, 2026 · Careers — F4 Industries | GD&T Analysis Software for Engineering Drawings
  • •May 20, 2026 · ycombinator.com — F4 Industries | Y Combinator
  • •Y Combinator

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jun 2025). Investors: Y Combinator. (High).

Hiring

2 hiring‑related row(s); role‑spam risk if mostly generic boards (High).

GitHub

No GitHub‑linked evidence indexed (Low).

Product / news

3 product/news‑styled row(s); headline risk without filings (High).

Traffic / social

No traffic/social evidence indexed (Low).

Funding & hiring signals

funding_articleMay 20, 2026Confidence: high

F4 Industries | Y Combinator

Summer 2025 batch; GD&T analysis platform for engineering drawings.

Affected score: yesObserved: May 20, 2026Round: Pre-Seed
raisedpre-seed

Open roles (indexed)

No open roles indexed yet.

Failed or blocked links

  • public_page:_aboutblocked
    Last checked Mon, May 11, 04:43 AM

    TypeError: fetch failed

DealFlow growth score
55.0Moderate public activity signal
7D+0%
30D+0%
Medium Confidence

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Source health

  • public_market_enrichmentok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_pressok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_newsok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_jobsok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_companyok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_careersok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_blogok
    Last checked Mon, May 11, 04:43 AM
  • public_page:_ok
    Last checked Mon, May 11, 04:43 AM
  • public_page:homeok
    Last checked Mon, May 11, 04:43 AM

DealFlow score momentum

557D +030D +0
100500
2026-05-11: 55

More runs will build history.

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows
9
Latest evidence
Wed, May 20, 06:14 PM

Source types found

about_pageblogcareers_pagecompany_sitefunding_articlepress

Strongest / recent news-style rows

  • F4 Industries | Y Combinator

    Wed, May 20, 06:14 PM · confidence 88%high quality

    https://www.ycombinator.com/companies/f4-industries

  • F4 Industries | GD&T Analysis Software for Engineering Drawings

    About / company · Mon, May 11, 04:43 AM · confidence 90%high quality

    https://f4.dev/company

  • Launch YC: F4

    Wed, May 20, 06:14 PM · confidence 85%low quality

    https://www.ycombinator.com/launches/PmE-f4-the-gd-t-analysis-platform-for-engineering-drawings

Public signal timeline

Newest first · 9 event(s)

1
Wed, May 20, 06:14 PM · funding_article · 88% · verified_publichigh quality

F4 Industries | Y Combinator

Summer 2025 batch; GD&T analysis platform for engineering drawings.

Source ↗
2
Wed, May 20, 06:14 PM · company_site · 85% · verified_publichigh quality

F4 Industries — GD&T Analysis

Automated compliance and tolerance analysis for mechanical drawings.

Source ↗
3
Mon, May 11, 04:43 AM · blog · 90% · publichigh quality

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source: Blog / news

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

Source ↗
4
Mon, May 11, 04:43 AM · blog · 90% · publichigh quality

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source: Blog / news

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

Source ↗
5
Mon, May 11, 04:43 AM · careers_page · 90% · publichigh quality

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source: Careers

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

Source ↗
6
Mon, May 11, 04:43 AM · about_page · 90% · publichigh quality

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source: About / company

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

Source ↗
7
Mon, May 11, 04:43 AM · careers_page · 90% · publichigh quality

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source: Careers

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

Source ↗
8
Mon, May 11, 04:43 AM · blog · 90% · publichigh quality

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source: Blog / news

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

Source ↗
9
Wed, May 20, 06:14 PM · press · 85% · verified_publiclow quality

Launch YC: F4

Visualize datums and tolerance zones on 3D models; instant stack-ups.

Source ↗

Official / company site

1 row(s)

company_site·Wed, May 20, 06:14 PM·Confidence 85%high qualityverified_public

F4 Industries — GD&T Analysis

Automated compliance and tolerance analysis for mechanical drawings.

https://f4.dev/

News

2 row(s)

about_page·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source name: About / company

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

https://f4.dev/company
press·Wed, May 20, 06:14 PM·Confidence 85%low qualityverified_public

Launch YC: F4

Visualize datums and tolerance zones on 3D models; instant stack-ups.

https://www.ycombinator.com/launches/PmE-f4-the-gd-t-analysis-platform-for-engineering-drawings

Funding / news

1 row(s)

funding_article·Wed, May 20, 06:14 PM·Confidence 88%high qualityverified_public

F4 Industries | Y Combinator

Summer 2025 batch; GD&T analysis platform for engineering drawings.

https://www.ycombinator.com/companies/f4-industries

Hiring

2 row(s)

careers_page·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source name: Careers

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

https://f4.dev/jobs
careers_page·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source name: Careers

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

https://f4.dev/careers

Blog

3 row(s)

blog·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source name: Blog / news

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

https://f4.dev/press
blog·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source name: Blog / news

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

https://f4.dev/news
blog·Mon, May 11, 04:43 AM·Confidence 90%high qualitypublic

F4 Industries | GD&T Analysis Software for Engineering Drawings

Source name: Blog / news

F4 helps engineering teams analyze GD&T on PDF and STEP drawing packages, validate ASME Y14.5 syntax, run tolerance stack-up analysis, and generate FAIR-ready exports.

https://f4.dev/blog

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