company specializing   (専門会社)

ArgoFilms ArgoFilms is a production company specializing in documentary filmmaking.

In nearby Boston, he had joined a company specializing in paints and whale oil products.

firm specializing   (専門の会社)

It was designed by DLR Group, an architectural firm specializing in correctional facilities.

He is currently the Chairman and CEO of Linq3, a technology firm specializing in the lottery industry.

He was then CEO of Quaestus & Co., Inc., a private equity firm specializing in media and technology startups.