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

Hankscraft Motors Inc (HMI)
Hankscraft–manufactures motors, electronics, custom products, metal fabrication, assembly, design, molding, metal stamping, die casting – large volume orders.
http://www.hmimotors.com

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

Elnor Motors
Elnor Motors produces custom-made electric motors for industrial use. Applications include explosion proof motors, single phase motors with high torque and motors for air movement.
http://www.elnor.be

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/

Micromot Controls
Designs And Manufactures Of Electric Motors, DC Motors, AC Motors, Battery Operated Motors, AC Drives, DC Drives, Synchronous Motors, Compound Dc Motors, Control Panels, Alternators, Geared Motors, Mumbai, India
http://www.micromotcontrols.com

Dreisilker Electric Motors, Inc.
We are the largest online supplier of Electric Motors for your industrial facility, commercial office building and home. We stock thousands of heating motors, air conditioning motors, and refrigeration motors. Our lineup includes: Blower Motors, Draft Inducer Assemblies and motors, OEM Replacement Motors, VAV Motors, Unit Heater Fan Motors, Condenser Motors, Window Air Conditioning Motors, Refrigeration Fan Motors, Bathroom Exhaust Motors as well as Fan and Blower Belt Drive Motors. We also offer DC motors, V-Belts, Fan Blades, Pulleys, Mounting Kits, Bases, Capacitors, Contactors, Drip Shields, Fuses Sheaves and Fluke testing equipment and meters. We carry manufacturers such as: GE, Fasco, A.O. Smith, Marathon, Optibelt, Fluke, Leeson, Yaskawa, Lafert, Bell amp Gossett, Browning, Universal, Lau, Siemens and Klein with OEMs like: Trane, Broan, Carrier, Emerson, York and Lennox and many more.
http://www.emotorstore.com/

Rotomag
Manufactures custom PMDC motors, DC motors, Battery Operated motors, Traction motors & Geared motors in an ISO 9001 certified plant.
http://www.rotomag.com