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About Mainland Testing Center

Mainland Testing Center is Texas Board certified with over 20 years of clinical testing experience. We provide affordable occupational/scholastic drug testing services, and physicals, isometric back/lift test and national background checks.

From corporate businesses to government departments and school districts, we understand the challenges created with new laws and ever-changing screening standards. Mainland Testing Center is a certified Women Business Enterprise (WBE) and a chamber of commerce member.

Based in Texas City, Mainland Testing Center is centrally located between Galveston and Houston, just off I-45 South. On-site and weekend services are available; please call (409) 978-2440 for all your occupational testing needs.

Testing Affiliates

Marie Dimes, Clinical Director

  • TX City Ch. of Commerce Member
  • Accredited by:
  • Clinical Laboratory Improvement Act
  • TX ID 45D1068673
  • DISA - Site ID TX046
  • Data, Integrity, Security, Administration