• AAON Inc. (Tulsa, Okla.) announced net sales increased 4 percent to $76.8 million from $73.8 million in 2011 and net income increased 7 percent to $6 million from $5.6 million in the third quarter of 2012.

• Tecumseh Products Co. (Ann Arbor, Mich.) reported a net loss of $3.8 million on net sales of $208.6 million for the third quarter of 2012. This compares with a net loss of $21.8 million on net sales of $198.3 million in the third quarter of 2011.