P and L Products
- Provides Fargo, Eltron, and Datacard PhotoID Systems. Also has information for access control systems.
- http://www.plproducts.com

Identification Systems Group
- St. Louis, Missouri company specializing in DataCard plastic card digital photo identification and transaction systems.
- http://www.isg-global.net/

P.D.I. Investigations
- Offering services in labor strikes, computerized investigations, asset searches, insurance and background investigations, electronic searches, and trial preparation.
- http://www.pdi-web.com/

Associated Engineered Systems, Inc.
- Offering a full range of systems and services to protect your company or institution.
- http://www.aesstl.com/