This may not be a complete list, but the following cars have been made to date:
First class cars - 3203, 3208, 3209, and 3210.
Cafe cars - 3306, 3312, 3316, and 3319.
End business cars - 3409, and 3414.
Business class cars - 3510, 3517, 3528, 3529, 3530, and 3532.

There are at least 6 business cars, and they are numbered 3510, 3517, 3528, 3529, 3530, and 3532.