C1S Group, Inc.'s EIN is 26-4297340.
Download the official 2024 Form 5500 (PDF) for C1S Group, Inc. from the U.S. Department of Labor's EFAST2 system.
Download the official 2024 Form 5500 (PDF)C1S Group, Inc.'s plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, a default investment (QDIA).