PAG Industries
PAG Industries is the master firestop distributor of S.T.I. fire protection products; which include firestopping, draftstopping, smoke blocking and sound blocking. Specification 07270 and 07840 require systems tested in accordance to ASTM E-814 and UL1479. We offer proper firestop applications for Through Penetration, Slab Edge, and Top of the Wall.
http://www.pagind.com/

Surfcontrol
URL- and keyword-based Internet filtering and blocking proxy. 20 blocking categories.
http://www.surfcontrol.com/

Cyberpatrol
CyberPatrol offers a wide range of products and services to help you safely use the Internet. Our products protect against unwanted content, security and privacy threats and inappropriate activity both at home and at work.
http://www.cyberpatrol.com/

Avon Barrier Company
We offer a wide range of vehicle and pedestrian access control systems such as parking barriers, road blockers, gate systems, turnstiles, high security equipment and revenue systems
http://www.avon-barrier.co.uk/

PithHelmet
An extended site preferences and ad blocking plugin for Apple's Safari browser. The basic purpose of the plugin is to allow the user to control the blocking of ad images, Flash, Shockwave or midi loops.
http://culater.net/software/PithHelmet/PithHelmet.php

PithHelmet
An extended site preferences and ad blocking plugin for Apple's Safari browser. The basic purpose of the plugin is to allow the user to control the blocking of ad images, Flash, Shockwave or midi loops.
http://culater.net/software/PithHelmet/PithHelmet.php

EU Trade Barriers Kill
A study demonstrating how the trade barriers of EU affect the poor countries, published by the Centre for the New Europe.
http://www.cne.org/pub_pdf/2003_09_04_EU_barriers_kill.pdf

Barriers & Bollards Limited
Bollards, Bollard Systems, Steel Bollards, Security Bollards by Barriers and Bollards Limited, manufacturers, suppliers and installers.
http://www.barriersandbollards.com/

Tunneling
Addresses the phenomenon of quantum tunneling. Presents animations of the scattering of a particle from two-dimensional potential barriers and wells, as well as from barriers with slits.
http://rugth30.phys.rug.nl/quantummechanics/tunnel.htm

Flood Barriers
flood panels and flood barriers of lightweight aluminum offer economical flood protection and meet FEMA standards
http://www.floodbarriers.net/