Associations

• National Association of Purchasing Management
• American Production and Inventory Control Society
• National Association of State Procurement Officials
• National Institute of Governmental Purchasing
• National Coalition for Advanced Manufacturing

Research

• Center for Advanced Purchasing Studies
• US Census Bureau
• US Securities and Exchange Commission
• Bureau of Labor Statistics
• Military Specifications

Publications

• Purchasing Magazine
• Purchasing Today
• APICS - The Performance Advantage

Business Links

• The Better Business Bureau
• US Small Business Administration
• US Chamber of Commerce
• Dun & Bradstreet

Shipping

• United Parcel Service
• Federal Express
• Airborne Express
• SmartShip

Tools

• Currency Exchange Rates
• Time Zone Conversions
• Federal Acquisition Regulations (FARS)
• SIC Codes
• Metric System Conversions
• NAICS Codes
• NIGP Codes