Custom Underground, Inc.

Susan Dewar signed Custom Underground, Inc.'s 2025 Form 5500 as plan administrator.

• Susan Dewar — Plan Administrator — Form 5500 signer

Signer names are public record from the Form 5500 e-signature.

Custom Underground, Inc.'s EIN is 36-4120787.

Download the official 2025 Form 5500 (PDF) for Custom Underground, Inc. from the U.S. Department of Labor's EFAST2 system.

Custom Underground, Inc.'s plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, a default investment (QDIA).