Six years after the start of a deep recession and a growing call for more middle-class manufacturing jobs, one American industry is tackling workforce development in a unique way. Welding is courting fresh recruits—women in particular.

Becky Lorenz—who runs her own shop, Aerospace Welding Services in Silver Spring, Md.—is among America's few female welders and machinists.

Mention women welders and "Flashdance" might come to mind. The 1983 movie starred Jennifer Beals as a welder by day and dancer by night. But the industry has advanced beyond the bulky machinery depicted in the film.