Is there any other major train company besides amtrak?

Question

that goes from Canada to new york/new jersey

Answer 1

AMTRAK is the only Interstate carrier however, they are dozens of small tourist trains throughout the Country

Answer 2

Are you speaking of passenger rail?  If so, unfortunately, no, Amtrak is the only intercity service available.  There are plenty of freight carriers that do this, however, including Canadian Pacific, Canadian National, CSX Transportation and Norfolk Southern Corporation.

Answer 3

Er no sorry but there is big freight names like

Burlington North Santa Fe

and i forgot the otherones