First and foremost, you DO NOT send an unsolicited manuscript to anyone. All they’ll do is just throw it in the trash; no reputable company accepts unsolicited material.
Second, you DO NOT contact publishing companies. No reputable publishing firm accepts non-vetted material.

The Overland Cook
Writers don’t need publishing companies. They haven’t needed publishing companies for more than a decade.
National Park Service Announces Entrance Fee-Free Days for 2020
to meet January 1, 2020 Air Quality Requirement – Department honoring all current reservations