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| Staheli Trenchless Consultants is a boutique engineering firm based out of Bothell, Washington, that specializes in underground construction using a variety of techniques. STC can provide you with the expert engineering service you need to successfully complete your trenchless project.
STC provides services that range from feasibility to full design, bid services, inspection, value engineering and expert witness testimony. As a boutique firm, we are focused on trenchless construction, including tunnel boring, microtunneling, horizontal directional drilling, auger bore pipe jacking, pipe bursting, sliplining and pipe ramming. |
Staheli Trenchless Consultants 1725 220th St SE Suite 200C Bothell, WA 98021 Phone: 425-205-4930 Fax: 425-205-4931
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