Bergner Metalurgica
Manufacturer of compressor (piston type) spare parts: Valves, piston rod packings, scraper rings, PTFE piston rings, for Ateliers Francois, ABC, Belliss and Morcom and other compressors.
http://www.bergner.com.ar/

TrueFog, USA
outdoor cooling systems, mist systems, misting system, nozzles, misting line, greenhouses, dust control, odor control, humidification,
http://www.truefog.com

Burckhardt Compression
Burckhardt Compression - Your partner for reciprocating compressors: labyrinth piston compressors, process gas compressors (API618), hyper compressors, quality compressor components, condition monitoring and all services.
http://www.burckhardtcompression.com

Machined Products
High volume precision manufacturer of piston cooling nozzles, banjo fittings, brake line tees, and other machined steel, cast iron, and aluminum products.
http://www.machinedproducts.com/

CoolerGuys
Your source for cooling everything from your new Lian-Li computer case and Intel or AMD CPU to your home theater setup including your receiver, ps3, xbox 360, and DVR.
http://www.coolerguys.com

Marley Cooling Tower
Manufacturer of Balcke-Dürr, Marley Cooling Tower and Recold cooling towers, air-cooled condensers, fluid coolers, dry, hybrid and rental cooling, and more.
http://www.marleyct.com/

Orbiting Piston
Patented, innovative rotary internal combustion engine which orbits instead of rotates and has piston like chamber action. Includes theoretical and technical background, specifications, diagrams and patent.
http://home.woh.rr.com/opengine

Piston-rings.eu
Offers piston rings for vehicles and industrial engines. Includes product catalogue and company profile.
http://www.piston-rings.eu

Fulkerson and Associates, Inc.
Cooling tower experts specializing in cooling tower inspection, testing, design, structural analysis, thermal improvement and other services to those involved with cooling towers.
http://www.ctengr.com

Dynex/Rivett Inc.
A profile of Dynex/Rivett and its high pressure hydraulic products rated from 6000 psi (420 bar) to 20,000 psi (1400 bar), including hydraulic piston pumps, power units, hydraulic valves, hydraulic piston and vane motors, electrohydraulic controls and hydraulic actuators.
http://www.dynexhydraulics.com/