Mountain States Environmental Services, Inc.'s EIN is 81-0541875.
Download the official 2025 Form 5500 (PDF) for Mountain States Environmental Services, Inc. from the U.S. Department of Labor's EFAST2 system.
Download the official 2025 Form 5500 (PDF)Mountain States Environmental Services, Inc.'s plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, a default investment (QDIA).