CIBOLO, TX—A supplier for Toyota and other automakers is expected to break ground in September on a new assembly plant here that will provide 900 full-time jobs.

DETROIT—Automotive supplier Dakkota Integrated Systems plans to build a $55 million assembly plant here to produce parts for Fiat Chrysler Automobiles.

HUNTSVILLE, AL—A pair of Japanese automotive parts manufacturers have announced plans to build new factories in northern Alabama to supply the Mazda Toyota joint-venture assembly plant under construction here. Together, the facilities are expected to employ 780 people.

OPELIKA, AL—Yongsan Automotive, a South Korean manufacturer of automotive interior parts, will invest more than $5.5 million to open a new assembly plant here. The facility is expected to employ 150 people in three years.

MARYVILLE, TN—Auto parts manufacturer DENSO will host a grand opening of its new assembly plant here on Friday.

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.

NORTH CHARLESTON, SC—The Cummins Inc. factory here assembled its 5 millionth turbocharger earlier this month, marking a milestone at the plant, which is on track for a record year of production.

KETTERING, OH—Tenneco will nearly double the workforce at its assembly plant here, adding 300 jobs as part of a $61.5 million expansion project.