EAST EL PASO, TX—Tokyo-based Foster Electric plans to add an automotive speaker factory to its distribution facility here in 2020 and create 40 new jobs.

The loudspeaker market is booming. In addition to designing to an outstanding product, efficient production is crucial for a speaker manufacturer to stay ahead of its competitors. Adhesives play an important role in this, but the potential they offer for increasing productivity has yet to be fully realized.

MIRAMAR, FL—JL Audio Inc., a manufacturer of speakers and other audio components, will invest $9.4 million to expand its assembly plant here, retaining 294 jobs and creating 30 new ones.