Municipal Testing Laboratory, Inc.

Engineering | Inspection | Materials Testing Services

Internationally Accredited as a Class-I ISO/IEC 17020 Inspection Body

Since 1960, Municipal Testing Laboratory, Inc. (MTL) has been the area’s leading Engineering, Inspection, and Materials Testing Service. Our unwavering integrity, premier customer service, exacting standards and unequaled accreditations and certifications come together to make us the solid choice of countless private and public companies.

We are proud to have the largest force of ACI, AWS, NICET, and ASNT Certified Inspectors in the Industry, offering the highest levels of experience and expertise in the field.