Grainger (Lincolnshire, Ill.; www.grainger.com) has announced a strategic alliance with PSDI (Bedford, Mass.; www.psdi.com), a provider of enterprise asset maintenance systems, and MRO.com, PSDI's new Internet commerce subsidiary.

The alliance will give joint customers the ability to source Grainger's products from PSDI's MAXIMO product as well as through MRO.com's Web-based procurement software. As part of the alliance, Grainger made a strategic investment in PSDI representing an equity interest of approximately 4 percent and an option to acquire 5 percent equity interest in PSDI's subsidiary MRO.com, Inc.