1 Invest in New Zealand. 2  Opportunities & outlook. 3  Stability & security. 4  Rules & law. 5  Key contacts for investors.  Visa & investment options.
Freebase(0.00 / 0 votes)Rate this definition: OSIsoft. OSIsoft, LLC is a worldwide manufacturer of Application software for real-time data infrastructure solutions, called the PI System. Founded in 1980, OSIsoft, LLC is privately held and headquartered in San Leandro, CA, with operations worldwide.
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