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About Onsite Testing LLC

Founded in 2025, Onsite Testing LLC is a mobile drug, alcohol, and background screening service committed to making compliance convenient, secure, and inclusive. We proudly serve employers, landlords, event organizers, and community partners across Wilmington, NC and surrounding areas—bringing trusted testing directly to your doorstep.

As a female-owned, Black-owned owned business, we believe in breaking down barriers to access. Our services are designed to meet people where they are, with compassion, professionalism, and a deep respect for privacy.

We specialize in:

  • Onsite drug and alcohol testing for workplaces, events, and housing

  • Background screening tailored to regulatory and organizational needs

  • Compliance-first service delivery, aligned with DOT, HIPAA, FCRA, CLIA, and CSERA standards

Our founder, Charlene Halyard-Graham, brings a hands-on approach to leadership—combining caregiving certifications, technical expertise, and a passion for community impact. Every policy, every training guide, and every client interaction reflects our commitment to doing things right.

Whether you're preparing for an audit, onboarding new hires, or hosting a large-scale event, Onsite Testing LLC is here to help you stay compliant, confident, and connected.