IBF Underground LLC's EIN is 35-2836330.
Download the official 2025 Form 5500 (PDF) for IBF Underground LLC from the U.S. Department of Labor's EFAST2 system.
Download the official 2025 Form 5500 (PDF)IBF Underground LLC's plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, automatic enrollment, a default investment (QDIA).