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A Constellation Software Company

The EDI platform for the supply chain, powered by AI.

Comparatio EDI moves the documents, validates them field by field, and watches for the ones that never arrive — run by engineers you know by first name.

  • We watch for what's missing
  • AI-native platform
  • Deepest P21 integration
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100M+
EDI transactions in 2025
5,000+
Trading-partner maps
~190
Customers
70+
Combined years of P21 expertise

The network

Trading partners we connect you to

Walmart, Target, Amazon, Costco, Home Depot, Kroger — plus thousands more. 5,000+ maps built over 20 years, with roughly 1,000 running in production today. If your partner is on the list, the map already exists.

Big-box & retail

Walmart, Target, Costco, Home Depot, Kroger, CVS — the mandates with the tightest compliance windows.

Industrial & MRO

Fastenal, Grainger, Ferguson, MSC, Motion Industries, Wesco — distribution EDI at full catalog depth.

Manufacturers

Caterpillar, John Deere, Siemens, Bosch, Parker Hannifin, Honeywell — plus European EDIFACT partners.

Healthcare & life sciences

McKesson, Cardinal Health, Medline, Henry Schein, Becton Dickinson — including GHX procurement.

See what your EDI has been missing.

Bring us your trading-partner list and your ERP — we'll show you the platform live, including the documents your current provider never told you about.