|Headquarters||Lincoln, Nebraska, USA|
|Products||LINCOLN Collection Systems and Servers|
Their products the Pen-Link 8 and LINCOLN 2 provide complete systems for electronic surveillance of nearly any form of electronic communications, including wire line, wireless, satellite, VoIP, Voice over Packet and 3G communication including Push-to-Talk, instant messaging, chat, e-mails, and web traffic. 
Pen-Link products are used by nearly all U.S. law enforcement agencies (including DEA, FBI, CIA, Secret Service, US Marshals, Department of Homeland Security, and hundreds of state and local police departments). Pen-Link secured $11,416,425 in U.S. government contracts between the years 2000 and 2007.
- Mullin, Chet (2007-09-25). "Pen-Link employees cash in on growing surveillance business". Omaha World-Herald. Retrieved 10 March 2009.
- Lapin, Lee (2003). How To Get Anything On Anybody: Book 3. Intelligence Here. p. 37. ISBN 978-1-880231-13-5.
- Crashing The Wiretappers Ball, Wired.com
- Slideshow: Crashing The Wiretappers Ball, Wired Magazine
- Acme Packet Broadens Lawful Intercept/CALEA Support
- Narus, Pen-Link, Partner to Deliver CALEA-Compliant Lawful Intercept Solution
- Pen-Link, Ltd. ... 2007 Government Contracts