About
For more than a decade, Technical Testing Technologies has been a trusted resource for architects, engineers, contractors, manufacturers, and building owners across the country. As an independent testing agency specializing in nondestructive testing of construction materials and building envelope systems, we are known for our rapid response, precise testing, and detailed, high-quality reports. Our commitment is built on three core values: Always Accurate, Always On Time, and Always Safe.
Our commitment is built on three core values:
Always Accurate, Always On Time, and Always Safe.
About The President
Thomas V. Grossner
President of Technical Testing Technologies Inc.
Thomas Grossner leads Technical Testing Technologies with a commitment to accuracy, integrity, and true third-party independence. He founded Technical Testing Technologies to bring reliable, specification-driven testing to the building-envelope industry—helping project teams verify membrane integrity, assess moisture conditions, and prevent costly failures.
With hands-on field experience and a deep understanding of industry standards, Grossner oversees Technical Testing Technologies’ full range of services, including electronic leak detection, moisture mapping, flood testing, roofing moisture surveys, and concrete moisture and surface assessments. He is known for practical problem-solving, clear documentation, and a strong focus on helping owners, architects, and contractors meet complex project requirements.
Today, Grossner continues to expand Technical Testing Technologies’ capabilities with advanced technologies and specialized inspection programs, ensuring every project receives precise, dependable testing support.
Our Core Values
Always Accurate
At Technical Testing Technologies Inc., we are committed to delivering precise and reliable results. Our testing is performed using the latest technology and industry-proven procedures, all in accordance with standards set by ASTM International. This approach allows us to provide more accurate, dependable results—giving you confidence that every test is performed with the highest level of accuracy. With us, Always Accurate isn’t just a goal—it’s a guarantee.
Always On Time
Timeliness is essential in today’s fast-paced construction environment, and we take that responsibility seriously. At Technical Testing Technologies, we work closely with clients to develop detailed testing schedules tailored to each project’s specific needs. Our commitment to punctuality means you can rely on us to be there when scheduled—helping prevent costly delays and keeping your project on track. Testing should never be the bottleneck. That’s why we stand by our promise to be Always On Time.
Always Safe
Safety is a foundational value at Technical Testing Technologies. We are fully committed to protecting the health and well-being of our employees, clients, subcontractors, and the community. All field personnel are OSHA 10 or OSHA 30 certified, and we maintain strict adherence to OSHA standards and best practices. We foster a culture of accountability, continuous improvement, and proactive safety leadership. Our goal is zero incidents—because when safety is everyone’s responsibility, the result is an Always Safe work environment.





