APICS Online
The official website of APICS, the educational society for resource management.

Center for Advanced Purchasing Studies
Great site for Benchmarking and articles that deliver leading-edge research to support continuous change and breakthrough performance improvement in strategic sourcing and supply.

First American Group Purchasing Assoc.
Purchasing consortium for small and medium sized companies. Vendor categories numbering 248, including office supplies.

Harmonized Tariff Schedule of the US
This page consists of the most recent online versions of the Harmonized Tariff Schedule

Institute of Supply Management
The Institute of Supply Management home page. Tons of great stuff for members including articles, jobs, speakers, consultants, seminars etc.

National Contract Management Association
Information about membership, job referral, certification and related links.

National Institute of Governmental Purchasing
A nonprofit educational organization dedicated to helping governments buy.

Open Buying on the Internet Consortium
OBI is a global, multi-class consortium, which develops open standards for business-to-business Internet commerce. To accomplish that, it develops and promotes standards for Internet purchases: small dollar, non-production goods and services. Membership is open to all buying and selling organizations, technology providers, financial institutions and others. Its founding members were large buyers and sellers who wanted to make their Internet buying and selling simpler and more efficient.

Rosettanet
a consortium of major Information Technology, Electronic Components, Semiconductor Manufacturing, Telecommunications and Logistics companies working to create and implement industry-wide, open e-business process standards. These standards form a common e-business language, aligning processes between supply chain partners on a global basis. RosettaNet is a subsidiary of the Uniform Code Council, Inc. (UCC).

The American Society of Association Executives
Find over 6500 Associations.