Candelario J. Andalon

PSI Services LLC provides professional testing services to corporations and federal and state government agencies. The firm offers a comprehensive solutions approach from test development to delivery to results processing, including pre-hire employment selection, managerial assessments, licensing and certification tests, and license management services. The company was founded in 1946 and is headquartered in Glendale, CA.

Stamps.com, Inc. engages in the provision of Internet-based mailing and shipping solutions. It operates through the following segments: Stamps.com and MetaPack. The Stamps.com segment offers postage online and shipping software solutions offered to consumers, small businesses, e-commerce shippers, enterprise mailers, and high volume shippers. The MetaPack segment focuses in multi-carrier enterprise-level shipping software solutions to large e-commerce retailers and brands. The company was founded by James Alastair Campbell McDermott, Jeff Green and Air R. Engelberg in September 1996 and is headquartered in El Segundo, CA.