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The Thompson & Lichtner Co., Inc. is a woman-owned engineering, testing and consulting small business (WBE-SDO certified) founded 127 years ago. We perform a broad range of engineering, testing, quality control, advisory, building envelope, and forensic services to the construction industry, particularly in areas of weatherproofing, moisture penetration, and air and water penetration. Our in-house laboratory provides a wide range of routine and specialized services for the quality control of construction materials utilizing test specifications of ASTM, ANSI, Federal and other national standards setting organizations.
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