Carlo Gavazzi - based in USA
Founded in 1931, Carlo Gavazzi Automation components produce and market a wide range of industrial automation equipment, and in December 2011 launched a range of inverters for the central and north American solar power market. The company claim a high standard of reliability for their inverters due to having no moving parts and offer a warrenty of upto 10 years.
Certifications include UL and IEE.
750 Hastings Lane
Buffalo Grove, Illinois
Inverters - A range of grid tied inverters with outputs of 2, 3, 4, or 5Kw. The inverters are of a transformerless design that does not require a cooling fan, and with an efficiency of upto 96.4%.
Three inverters can be used together to provide 3 phase power of upto 15Kw.
Location of Carlo Gavazzi website - http://www.gavazzionline.com