shaft construction

Partnering, Serving, Leading. BorTunCo’s entities have been the premier pipe jacking, tunneling and boring contractor since the early 1940’s. We have extensive experience in multiple forms of trenchless technology, and it is our goal to provide you with the best solution to your underground construction problems. BorTunCo’s success comes from working with our customers and believing that partnering is the best way to build successful projects. BorTunCo offers a range of services to help you with your next project! Boring Tunneling Directional Drilling Shaft Construction Machine boring for installation of pipe. Installation of a structural pipe or liner through various methodologies. HDD installation of longer pipe along a radius. Structural shafts for a variety of applications. CONTACT BORTUNCO

auger boringmicrotunnelingPilot Tubepipe jack tunnelingslurry boringtrenchless constructiontunneling

Bradshaw Construction Corporation is a tunneling contractor with over five decades of experience, providing cost effective tunneling solutions to the utility and transportation industries. The company describes itself as a leading contractor and technological innovator in the tunneling industry, committed to excellence, craftsmanship, safety, and earning clients' trust. It owns and operates an expansive fleet of heavy and underground construction equipment.

Caisson constructionCompressed air tunnelingConventional tunnelingdrill and blastHand tunnelingmicrotunnelingNATM/SEMPilot Tubepipe jackingpipe rehabilitationslip liningSlurrySupportsTBM tunneling

Engineering & Construction Innovations, Inc. (ECI) is a full-service self-performing heavy civil contractor established in September 1999 by Robb Johnson, PE and Shane McFadden, PE. ECI serves public and heavy industrial clients in the Midwest and throughout the United States, specializing in geotechnical construction, pipeline rehabilitation, dam/hydro construction, underground construction, and custom design-build solutions.

dam construction and rehabilitationdeep foundation systemsdesign-builddrilled shaftsdriven pilesearth anchoringearth shoringgeotechnical constructiongroutingmicropilesmicrotunnelingsecant pile wallsshotcretetrenchless pipeline rehabilitationtunneling

Kogler Aufzugsbau GmbH is a manufacturing business (Manufaktur seit 1993) that produces both the elevator and the associated shaft construction in its own workshop. Each elevator is built individually according to customer requirements, with emphasis on reliability, availability, and compliance with the elevator safety regulation ASV 2015.

elevator constructionin-house manufacturing