COMBINED STRENGTH, UNPARALLELED RESOURCES
The SDI Family of Companies offer innovative and cost effective solutions to clients around the world. Built on the principles of hard work, integrity and honesty, SDI Family of Companies has gained a reputation for excellence in project execution and delivery.
ASI Construction LLC
- ASI Construction LLC (ASI) is a construction leader in the water resources industry, with their personnel having successfully completed more than one-hundred fifty dam and dam rehabilitation projects, including thirty-five new dams and one-hundred ten dam modification and remediation projects. ASI operates throughout the USA and internationally.
Online:
Markets:
- Heavy Civil
- Power
- Water Resource
Services:
- Dam Construction & Remediation
- Design and Build Contractor
- Underground Construction
- Spillway and Intake Development
- Major Water Resource Projects
- Inspection and Maintenance
- Hydraulic Structures
Brochure:
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Coastal Drilling East LLC
Geotechnical Division
- Coastal Drilling East, LLC's Geotechnical Division (CDE GEO) offers the national market the widest range of geotechnical capabilities available in the geotechnical construction industry. Custom-built grout plants, grouting equipment for dam foundation grouting, and custom drilling platforms for anchor work, allows CDE GEO to service the specialized needs of the geotechnical construction industry .
Resources:
Markets:
- Civil
- Mining
- Oil & Gas
- Power
- Water Resource
Services:
- Geotechnical Construction
- Anchors
- Directional Drilling
- Micropiles
- Shoring
- Grouting
Brochure:
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Coastal Drilling East LLC
Well Service Division
- Coastal Drilling East, LLC's Well Service Division (CDE WS) has developed the widest range of techniques and assembled the most experienced personnel to ensure our clients get the best we have to offer, in solutions, in safety and in service.
- With more than 2,500 wells serviced, CDE WS is eastern region's service provider of choice for clients and state agencies.
Online:
Markets:
- Civil
- Mining
- Oil & Gas
Services:
- Well Service
- New Hole Drilling
- Site Preparation
- Wireline Services
- Water Hauling
Brochure:
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Heeter Geotechnical Construction LLC
- Heeter Geotechnical Construction LLC (HGC) is a Heavy Civil General Contractor specializing in Dam Rehabilitation, Dam Remediation, Water Resources, and other Heavy Civil Construction projects. HGC partners with the other members of the SDI family to offer exceptional service to its clients.
Online:
Markets:
- Civil
- Power
- Water Resource
Services:
- Dam Construction, Remediation, and Rehabilitation
- Complex Rehabilitation of Concrete and Earthen Dams
- Major Earthmoving, Excavation Projects
- Rock Excavation and Processing
- Complex Cofferdam Construction
- Marine Lock Structures / Waterways/ Spillways
Brochure:
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Ludwig Drilling LLC LLC
- Ludwig Drilling LLC (LDW) is a leader in geotechnical construction in the mountain west market. With its culture for safety and efficiency, in combination with employee retention, Ludwig sets the industry standard for excellence in providing quality, on time and under budget projects for its valued clients.
Online:
Markets:
- Civil
- Mining
- Oil & Gas
Services:
- Drilled Shafts - Turn Key and Drill Only applications
- Micropiles - Cased and Hollow Bar
- Soil Nails
- Shotcrete Walls
- Shoring
- Anchors
Brochure:
Coming Soon
North American Drillers LLC
- North American Drillers LLC (NAD) is an international leader in mechanically excavated shafts. North American Drillers offers an unprecedented combination of shaft development services that provides its clients with turnkey construction solutions in both rural and urban conditions.
Online:
Markets:
- Civil
- Mining
- Oil & Gas
Services:
- Blind Bore Shaft Development
- Large Diameter
- Small Diameter
- Raise Bore Shaft Development
Brochure:
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TEK Piles LLC
- TEK Piles LLC (TEKP) provides the national market with helical piles solutions. With office locations in Pennsylvania and Colorad, TEKP is positioned to provide turnkey helical pile services to the customers we serve throughout
Online:
Markets:
- Civil
- Oil & Gas
Services:
- Helical Piles
Brochure:
