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Founded in 1972 as a nondestructive testing services company, TPT has since expanded into providing Geotechnical Engineering, Environmental Consulting, Industrial Hygiene, & Chemistry Laboratory Services. |
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| 1-800-373-2562
Superior, WI (715) 392-7114, Duluth, MN (218) 722-1911 Fax 715-392-7163 Copyright © 2004 Twin Ports Testing |
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