Wondering who is who in the global supply-chain arena? Supply-chain consulting firm Armstrong & Associates Inc. aims to help you with its latest edition of "Who's Who in Logistics? Armstrong's Guide to Global Supply Chain Management." The 12th edition contains information about industry revenue trends, employment, information technology and third-party logistics (3PL). It also contains a buyer's guide of 3PL services. Richard Armstrong, president of the Stoughton, Wis.-based consulting firm, says the company has "significantly" expanded its international sections. Company profiles include financial information, key personnel, case studies and the author's evaluation. The supply-chain guide is published in two volumes and is available for purchase from the firm's Web site.