Joseph HSU signed Mainstream Packaging, Inc.'s 2024 Form 5500 as plan administrator.
Signer names are public record from the Form 5500 e-signature.
Mainstream Packaging, Inc.'s EIN is 61-1381698.
Download the official 2024 Form 5500 (PDF) for Mainstream Packaging, Inc. from the U.S. Department of Labor's EFAST2 system.
Download the official 2024 Form 5500 (PDF)Mainstream Packaging, Inc.'s plan includes health coverage.