Herrenknecht is a manufacturer of tunnel boring machines and other tunnel construction technology products.
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TEI Rock Drills
TEI Rock Drills Inc. manufactures drilling attachments and limited access drill rigs for the construction, mining, fencing and geothermal industries. Visit TEI Rock Drills
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Jacobs Associates SF
Jacobs Associates provides civil engineering consulting services with specialties in design and construction management for underground projects, as well as construction analysis and claims/disputes resolution. Visit Jacobs Associates SF
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Layne GeoConstruction
Layne GeoConstruction specializes in jet grouting, micropiles, high and limited mobility grouting and anchors, utilizing real-time monitoring; vibro compaction and stone columns. Visit Layne GeoConstruction