E-procurement (OSN, Procurement Manager)
Telephone: 866-889-8533
Supplier Email: suppliersupport@perfect.com
Buyer Email: buyersupport@perfect.com


Legacy Pantellos (RFx, Dynamic Services (Auctions), Tradesite (SSS), Pantellos Buyer)
Telephone: 877-777-4888
Email: servicecenter@perfect.com

Sourcing (Event Manager, Contract Manager)
Telephone: 888-304-5847
Email: support@perfect.com