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Weather Modification International
Cloud SeedingActiveWorld's largest private aerial cloud seeding company. 35+ aircraft fleet operating in 35+ countries. Based in Fargo, North Dakota. Founded 1961.
Key Facts
- World's largest private cloud seeding operator
- 35+ aircraft fleet, operates in 35+ countries
- Partnerships with US Department of Commerce and Naval Surface Warfare Center
- Owned by Patrick & Jim Sweeney since the early 1990s
- Also operate Fargo Jet Center (aircraft supply and pilot training)
Who's Behind It
Patrick Sweeney
(American)Chairman of the Board & Co-Owner
Started at WMI as a college-age radar and electrical technician. Bought into the company over time, then purchased remaining stock after the original founder retired in the early 1990s.
Jim Sweeney
(American)Executive Vice President & Co-Owner
Patrick's brother. Was convinced by Patrick to return to North Dakota to join the company.