On-SITE Testing Specialists, Inc.

Heather Grunseth signed On-SITE Testing Specialists, Inc.'s 2025 Form 5500 as plan administrator.

• Heather Grunseth — Plan Administrator — Form 5500 signer

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

On-SITE Testing Specialists, Inc.'s EIN is 43-1950697.

Download the official 2025 Form 5500 (PDF) for On-SITE Testing Specialists, Inc. from the U.S. Department of Labor's EFAST2 system.

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