Diamond Construction, Inc.'s EIN is 81-0476311.
Download the official 2025 Form 5500 (PDF) for Diamond Construction, Inc. from the U.S. Department of Labor's EFAST2 system.
Download the official 2025 Form 5500 (PDF)Diamond Construction, Inc.'s plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, a default investment (QDIA).