Land O'Lakes Inc. posted net income of $18 million in the third-quarter, compared to a $30 million loss a year earlier, the Star Tribune reports. The Arden Hills-based co-op also reported a seven percent increase in sales.

Boosted by double-digit sales growth across all of its product lines, Polaris Industries Inc. posted a net income of $94.3 million, a 40 percent jump from $67.6 million in the third quarter a year-ago, the Associated Press reports. The Medina-based all-terrain vehicles maker also lifted its full-year outlook for the third time.

The owner of the St. Paul Park oil refinery and SuperAmerica stores in Minnesota and Wisconsin hopes to raise $341 million in its planned initial public offering. Connecticut-based Northern Tier Energy LP will offer 16.25 million common shares and hopes to fetch $19 to $21 per unit.

Reduced operating expenses over the summer months helped boost Xcel Energy Inc.'s third-quarter earnings, Dow Jones News reports. The Minneapolis-based utility earned $398 million, up nearly 18 percent from $338.3 million a year earlier.

Inver Grove Heights-based CHS Inc. -- the largest farmer-owned cooperative in the United States -- reported net income of $405 million thanks to strong energy performance. Revenue increased nearly 5 percent to hit $11 billion. The Wall Street Journal notes CHS reported its second-quarter profit dropped 60 percent.