JACKSON CENTER, OH—Airstream has unveiled the largest expansion in the company’s 88-year history. The travel trailer manufacturer is about to open a 723,000-square-foot factory, which will allow it to double its production.

MIDDLEBURY, IN—Winnebago Industries is planning to invest $5.4 million to boost production at its four assembly plants in Indiana. The manufacturer could create close to 150 new jobs by 2019.

HEMET, CA—Forest River Inc., a recreational vehicle manufacturer, has purchased an old factory here for a new assembly plant. The factory will begin production in early 2015 and is expected to employ 200 to 300 people at full production.

JACKSON CENTER, OH—Thor Industries Inc. is adding 94,000 square feet to its Airstream RV plant here to boost production capacity by 50 percent.

MONTREAL—BRP Inc., the former recreational products division of Bombardier Inc. that makes Ski-Doos and off-road vehicles, will invest $55 million to build a third assembly plant in Mexico.

LAKE MILLS, IA—Recreation vehicle manufacturer Winnebago Industries Inc. plans to expand its assembly plant here.