Has this business not been renamed to BlackSea Technologies? (https://www.linkedin.com/posts/maritime-applied-physics-corporation_thanks-for-being-with-us-through-the-journey-activity-7341812119610322946-T33U) / the mapcorp website now redirects to https://www.blacksea.tech/ which lists 1850 Frankfurst Avenue as its address. Also, it is not allowed to use Google Maps as a source for adding information to OpenStreetMap.