States Postal Service for questions or additional information about its supplier diversity program at www.usps.com/purchasing, or write: Supplier Diversity Supply Management Strategies, U.S. Postal Service, 475 L’Enfant Plaza SW, Room 4320, Washington, DC, 20260 — 4320. Fax: 202 — 268 — 7288. E — mail: Business@USPS.gov. — G. T.