PERROT have been dedicating themselves exclusively to developing and producing high-performance irrigation techniques since 1926 and will, of course, continue along this path. Responible water handling and the production of economical and thus resource-saving products is what PERROT stand for. The cooperative relationship to our customers spurs us to operational excellence and innovative irrigation solutions.

Here are some reputable references: Olympic games in Athens 2004 and Beijing 2008, Allianz Arena Munich, Golf Clubs Wittenbeck-Heiligendamm/Germany, Beuerberg/Germany, Montreux/Switzerland and Graz/Austria, racetracks in Sevilla/Spain or Maisons Laffitte/France.

PERROT systems for environmental protection are currently used by: coal-fired power plants like Beilungang/China, Richard Bays/South Africaor Thyssen-Krupp/Brazil, as well as Zurich Airport, ports of Rotterdam and Amsterdam, Corus Steel/Tata and RWE/Germany.
http://www.perrot.de

Weathermatic established in 1945, Weathermatic is a Dallas, TX based worldwide manufacturer of the highest quality, water efficient irrigation products.  Weathermatic exclusively provides its dedicated family of professional customers with a full line of controllers, weather stations, remote control valves, gear driven rotors, pop-up sprays, and matched precipitation rate nozzles.  Through its passionate commitment to customers and quality, Weathermatic products have been installed in over 70 countries and notable sites including the U.S. Capitol Building, Buckingham Palace, America's largest home-Biltmore Estate, and the College Football Hall of Fame.
http://www.weathermatic.com/

Sun-Flow, Inc. is a manufacturer of industrial and irrigation hoses. Located in Torrance California for over thirty years. 
http://www.sun-flow.com/

John Deere Water, a unit of Deere & Company, is now one of the largest irrigation companies in the world. With the 2008 acquisitions of Plastro Irrigation Systems and T-Systems, International and the 2006 acquisition of Roberts Irrigation Products, John Deere Water provides precision irrigation systems in more than 100 countries.

John Deere Water is one of the world's most valued providers in agricultural irrigation. Our products and services enable the efficient and uniform application of water, optimizing the use of our precious water resources while increasing the quantity and quality of crop yields.
http://www.deere.com/

Itumic OY - more than 30 years of experience in greenhouse climate control systems.
Itumic produces state of the art control systems for greenhouses. We are located in the middle of Finland and in addition to our major role in Finnish greenhouse business, have also export to many other European countries.
http://www.itumic.fi/

Hidroten is a company with an international dimension, specialized in developing, manufacturing and distributing systems for fluids conduction in sectors such as Agriculture, Industry, Swimming pools, Civil work…

With more than 40 years of professional experience within the plastic transformation sector, Hidroten keeps firmly the commitment to bring efficient and concrete solutions with an unbeatable service to its customer.

Hidroten always knew that to increase its competitiveness with respect to the other company of the sector, there is only one way, which is the optimization of its most valuable resource: its human team. A team of professionals from the sector totally involved and identified with his job; give the best service to his customers.
http://www.hidroten.com/

Amiad. Access to clean water is one of the world's greatest challenges - for drinking, for industry, and for irrigation. For more than 40 years, Amiad has helped meet this vital need by providing outstanding filtration technology to industrial, municipal and irrigation users around the world.

Amiad filtration systems are more than just effective and reliable - they're environmentally sound:

• No chemicals
• No polymers
• A bare minimum of back flush water
• Reduced energy demand - many of our systems don't even require electricity

And their small footprint saves valuable installation space. It's all part of Amiad's pledge: to deliver clean water using clean technology.
http://www.amiad.com/