Mercotac Inc.
Replace ordinary slip rings with rotating electrical connectors from Mercotac, Inc., and enjoy increased reliability and longer product life than a brush slip ring.
http://www.mercotac.com

Trolex Engineering Ltd
Trolex Engineering - manufacturers of Explosion Protected Slip Ring Units, Collector Columns, Cable/Hose Reeling Units, Exd Connectors, Fibre Optic Rotary Joints, Junction Boxes and Enclosures.
http://www.trolexengineering.co.uk/

Techtron Corporation
Manufactures commercial slip ring assemblies. Continuous rotational signal transference is now available with off-the-shelf, stock slip ring assemblies.
http://www.techtroncorporation.com/

Airflyte Electronics Co.
Provides precision slip ring slip rings assemblies compatible with modern data transmission cables for all slip rings applications Manufacturer slip ring designer Gold or Silver contacts for data control. Stock delivery on many items
http://www.airflyteelectronics.com

Adwel International, Ltd.
Slip-ring motor starters for induction motors
http://www.adwel.co.uk

ULTRATECH
ULTRATECH manufacturer and distributor : aerospace connector, military connector, aeronautic connector, electrical contact, mil-spec-connector
http://www.aerospace-connectors.com/

Radiall-Jerrik, Inc.
Rack and panel connectors, filtered connectors, coax connectors, multipurpose connectors, RF components, fiber optic solutions, and cable assemblies to military, aerospace, and instrumentation markets.
http://www.radialljerrik.com/

United Equipment Accessories
United Equipment Accessories, Inc. is a leader in the production of reliable Slip Rings, heavy-duty Industrial Cable Reels, Decril Cable, Hose Carriers Systems and durable Shift Controls
http://www.uea-inc.com/

FibreGrid Limited
Dealing with the disability discrimination act with non slip, anti slip SlipGrip from FibreGrid preventing slips and falls the product deals with anti floor slip, anti slip surface, anti slip flooring and prevents slips, trips and falls, fibreglass non slip stear tread and anti slip stear treads
http://www.slipgrip.co.uk/

SLIP/PPP Homepage
Documentation for setting up a SLIP/PPP connection from your home computer to the Internet.
http://sunsite.nus.edu.sg/pub/slip-ppp/