
It started with a rundown mill on the Fox River.
Keep scrolling. The core unwinds a year at a time, and the story keeps pace with it.
- 1935
A mill rebuilt from ruins
U.S. Paper Mills Corp. begins as a one-machine mill in De Pere, built on the site of a burned-down mill with equipment gathered from other Fox River Valley mills.
- 1937
The Clouds arrive
Walter R. Cloud Sr. becomes resident manager. Pay is 22 cents an hour and the mill makes 13,000 to 14,000 pounds a day. It soon finds its niche: corestock, the board inside every roll of tissue and towel.
- 1940
Staying home to be his father's legs
Walter Jr. leaves an engineering degree at Madison when his father falls ill, to learn the trade from “one of the old masters.” A choice he never regretted.
- 1945
Home from the war
After 27 months with the Eighth Air Force in England, Walter Jr. comes home as mill superintendent. The union organizes the mill, which then runs for decades without a single work stoppage.
- 1957
Building a core machine from scratch
With no one on staff who had ever made a core, the company builds a core machine in its own shop and learns by trial and error. It becomes the Oncore Division.
- 1971
The employees buy the company
Walter Jr. and a group of employees buy U.S. Paper Mills and keep its name. Walter cashes in all of his life insurance, reasoning the business would be his insurance.
- 1982
The U.S. Paper Mills Foundation
Walter Jr. forms the Foundation to support education and scholarships. He counted it among his proudest civic successes.
- 1983
Menasha
The company buys the former John Strange Paper Company mill in Menasha, adding about 90 employees. A mill that had lost money for seven years is in the black within about three months.
- 1988
A new generation leads
Walter Jr. retires after 51 years. Bob Cloud becomes Chairman of the Board, working with President Thomas L. Olson.
- 1990
Growing the House of Service
A second paper machine at Menasha and Ideal Paper Tubes & Cores in Minnesota. By the mid-1990s, two mills and two converting plants make more than 500 tons a day.
- 2001
The company is sold
Sonoco acquires U.S. Paper Mills. The Foundation carries on.
- 2006
The Cloud Family Foundation
Renamed the Walter R. Cloud Foundation in 2004, then the Cloud Family Foundation in 2006.
- 2026
A renewed charter
The board adopts restated bylaws and a new mission and vision: three equal pillars, learn, heal and belong, with Brown County first.






