It was 1979 when potato king J.R. Simplot built a 7,370-square-foot, Mediterranean-style mansion atop a prominent hill in the Boise Highlands. Although the mansion has since been demolished, Simplot’s ...

Simplot Corporate Headquarters, 1099 W. Front St. in Boise. Pictured on Jan. 13, 2026. (Sarah A. Miller/smiller@idahostatesman.com) Two longtime employees of J.R. Simplot Co. took on the Boise-based ...

BOISE, Idaho -- The U.S. Department of Agriculture has approved Idaho-based J.R. Simplot Co.'s new genetically modified potato. But one of the company's oldest business partners -- McDonald's -- ...

BOISE – Idaho is about to end its distinction as one of just a handful of states with no official governor’s residence – and do it in a striking way. J.R. “Jack” Simplot, Idaho’s richest man and a ...

POCATELLO, Idaho (KIFI)– Employees of the Simplot Don Plant took to their two-mile stretch of adopted Highway 30 on Wednesday to pick up trash in recognition of Earth Day. Simplot adopted the stretch ...

GRAND FORKS, N.D. -- After a day-long union meeting, employees of J.R. Simplot went on strike, picketing outside the potato processing plant in Grand Forks about 6 p.m. Monday. The strike came shortly ...

The agricultural company J.R. Simplot Company, one of the largest potato producers in the world, struck a deal with the developers of a specific gene editing technology. That tech will allow Simplot ...

BOISE — The U.S. Environmental Protection Agency has reached a settlement with Idaho-based J.R. Simplot Co. regarding alleged Clean Air Act violations by the agricultural company. The violations stem ...

J.R. Simplot, a billionaire who grew up in a sod-roofed log cabin and dropped out of school at 14, then marshaled luck, spunk and inventiveness to fashion an entrepreneurial career that included ...

This artist’s rendering of the J.R. Simplot Co. headquarters shows the view from the corner of Front and 11th Streets looking southeast. luceror Provided by J.R. Simplot Co. The J.R. Simplot Co. isn’t ...