Fortune 500 ATS Market Share 2026: Workday Runs 118 of the F500

We audited every Fortune 500 company's careers page in August-September 2026 to find out which Applicant Tracking System (ATS) they actually use. Workday leads by a wide margin with 118 deployments (23.6% of the F500). 136 companies build custom careers pages with no commercial ATS, and 21 other platforms account for the remaining 238. This post shares the full breakdown, per-industry cuts, and the CSV so you can rerun our analysis.

Read time: ~10 minutes
Data as of: September 2026
Sample: 500 companies (Fortune 500)
License: CC BY 4.0 (attribute NanoScrape)
Download the raw CSV See the full extraction playbook

In this tutorial

  1. Headline numbers
  2. Top 10 ATS platforms
  3. ATS distribution by industry
  4. Notable trends
  5. Methodology
  6. Download the data

Headline numbers

By the NanoScrape team. Published 2026-09-01.

Horizontal bar chart of ATS distribution across the Fortune 500. Workday leads with 118 companies, custom in-house 136, Phenom 41, Oracle Recruiting 32, iCIMS 31.
F500 ATS distribution. Bar colors indicate which category of scraper handles that ATS.

Top 10 ATS platforms by F500 deployment count

Rank  ATS Platform          F500 Companies  Share    Category
----------------------------------------------------------------
  1   Custom (in-house)             136        27.2%  Bespoke
  2   Workday                       118        23.6%  Enterprise SaaS
  3   Phenom                         41         8.2%  Enterprise SaaS
  4   Oracle Recruiting Cloud        32         6.4%  Enterprise SaaS
  5   iCIMS                          31         6.2%  Enterprise SaaS
  6   SAP SuccessFactors             28         5.6%  Enterprise SaaS
  7   TalentBrew (TMP Worldwide)     22         4.4%  Agency platform
  8   Eightfold                      16         3.2%  AI-native
  9   Paradox                         15         3.0%  Conversational AI
 10   Taleo (Oracle - legacy)          8         1.6%  Legacy enterprise

ATS distribution by industry

Workday dominates in Technology and Banking (highest concentration). Phenom is a retail + healthcare specialist. Oracle Recruiting Cloud is oversized in Banking & Financial Services. Custom sites concentrate in Big Tech and Retail (Amazon, Walmart, Apple).

Sector                         Top 3 ATS platforms (companies)
----------------------------------------------------------------
Retail & Consumer Goods       Phenom (11), Workday (14), Custom (18)
Technology                     Custom (30), Workday (15), Phenom (3)
Banking & Financial Services  Workday (18), Oracle Recruiting (12), Phenom (5)
Manufacturing & Industrial    Workday (17), TalentBrew (5), Phenom (5)
Energy & Utilities            Workday (13), TalentBrew (5), Custom (11)
Healthcare & Pharma           Phenom (10), Workday (12), Custom (8)
Insurance                      iCIMS (10), Workday (13), Custom (7)

(Numbers approximate; based on the September 2026 audit. Full per-company data in the CSV.)

Workday is bigger than any two competitors combined.

Workday's 118 F500 deployments equal Phenom + Oracle Recruiting + iCIMS + SuccessFactors + TalentBrew put together. Enterprise consolidation continues; Workday's TAM in the F500 is essentially fully addressed.

'Custom' is now the second-largest bucket.

136 F500 companies (27.2%) run careers pages that don't match any commercial ATS signature - a mix of custom microsites (Amazon, Walmart), hand-built HR portals (Apple, Berkshire subsidiaries), and headless-CMS driven pages. This bucket is larger than Phenom + Oracle Recruiting + iCIMS combined and grew from ~103 in our May 2026 baseline to 136 by September - some of that is us reclassifying 'pending' rows correctly, some is real migration away from off-the-shelf ATS.

AI-native platforms are still niche but growing.

Eightfold (16 F500) and Paradox (15 F500) are the visible AI-native footholds. Both are small in absolute terms but concentrated in innovator-tier employers (NYL, Freddie Mac, McDonald's franchise operations). Watch this bucket.

Taleo classic is a graveyard.

Oracle's Taleo has 3 modern-API deployments plus 5 classic-FTL deployments that require legacy browser sessions to scrape. Most of the classic-FTL companies have migration projects underway (Valero, D.R. Horton, NVR remain on classic as of our audit). Expect this number to keep shrinking as Workday/Phenom eat the migrations.

Methodology

  1. Population: the 500 companies on the current Fortune 500 list (published annually by Fortune magazine).
  2. Detection pass 1 (URL-pattern match): for each company, resolve its public careers page URL. Match against known ATS-hosted domains (jobs.lever.co, boards.greenhouse.io, *.wd*.myworkdayjobs.com, jobs.cvshealth.com → Phenom, etc.).
  3. Detection pass 2 (HTML signature): for careers pages that don't match a known domain, fetch the HTML and search for ATS-specific markers (script/CSS URLs, DOM structure, JSON-LD signatures).
  4. Detection pass 3 (LLM confirmation): for the remaining ambiguous rows, run the NanoScrape Website Job Extractor with skipAtsExtraction: true. It auto-crawls the careers page and emits an ats_system field when a supported platform is detected.
  5. Manual verification: spot-checked 50 randomly-sampled rows against public careers pages in a browser.
  6. Excluded from the platform-share stats: 11 companies whose deployments are permanently blocked by hardened WAF or conversational-AI-only portals (Delta Airlines, Progressive, SAIC, and 8 more). These are classified as 'custom build required' in our downstream tier assignment but are not counted as a specific ATS.
Known limitations: (1) 32 companies still have no publicly-linked careers URL as of publication - excluded from ATS-share stats. (2) SAP SuccessFactors is under-represented for a WAF-guarded reason: the platform is popular but the deployments that block automated access are hard to fingerprint reliably. Our SuccessFactors count is a lower bound. (3) ATS migrations are frequent - expect ~10-15% platform-share drift year over year. We rerun this audit monthly.

Download the data

The full dataset is available as a CSV under CC BY 4.0. 13 columns per row: rank, company, domain, industry, revenue, employees, city, state, careers_url, ats, ats_url, recommended scraper tier, detection confidence.

Prefer a browseable table? See the interactive Fortune 500 careers table: 500 rows, sortable, filterable, one-click Try + copy JSON button per company.

If you build something with this data, we'd love to see it - email [email protected].

Rerunning our analysis: the full extraction playbook shows how to scrape jobs from every F500 careers page using our three-actor stack. Point our tools at any private list of companies and get the same output shape.

FAQ

How does this compare to the Ongig ATS market share report?

Ongig publishes an annual ATS market share report using different methodology (job-posting-share instead of company-share) and their own detection heuristics. Our results align on the top three (Workday, iCIMS, Phenom in Ongig's 2025 list; Workday, Custom, Phenom in ours) but the absolute numbers differ because we separate 'custom in-house' as its own bucket rather than lumping into 'other'.

Why is 'custom (in-house)' so large - is that a detection failure?

No. Companies like Amazon, Walmart, Apple, Berkshire Hathaway, and Microsoft demonstrably run their own careers infrastructure with URLs that don't match any known ATS pattern. We verified a sample of 20 'custom' companies manually - all are actually custom builds, not misclassifications.

How often is the data updated?

We rerun the audit monthly and version the CSV in our public repo. ATS migrations tend to be announced at the start of quarters, so we do a deeper pass every January and July.

Can I use this data commercially?

Yes - the CSV is CC BY 4.0 licensed. You can use it commercially, remix it, republish it. Just attribute NanoScrape and link back to nanoscrape.com/tutorials/scrape-fortune-500-company-jobs/.

Related resources

Download the raw CSV See the full extraction playbook