MINERAL SPRINGS, WV—Japanese truck maker Hino Motors Manufacturing officially opened a new assembly plant here to produce medium- and heavy-duty trucks.

BUFFALO, WV—Toyota will invest $400 million in its assembly plant here over the next four years.

WILLIAMSTOWN, WV—Hino Motors will spend $8 million to expand its truck assembly plant here, an investment that could create up to 50 permanent jobs.

BUFFALO, WV—Human resource company Manpower is seeking to fill jobs at Toyota’s assembly plant here.

BUFFALO, WV—Toyota will invest $102 million to boost production at its three transmission assembly plants in the United States. Some $90 million will be spent at the automaker’s West Virginia plant.

WEIRTON, WV—Pietro Fiorentini USA, a manufacturer of oil and gas control systems, plans to open a $9 million assembly plant here. The plant could employ 150 when fully operational.