
SADB Group · Adelaide
Building Connections Beneath The Surface
Civil Construction & Trenchless Specialists
- 31
- years of projects
- 51-200
- employees
- 41
- associated members
- 3,700
- followers
Certified & accredited
- ISO 45001 Occupational Health & Safety Management System
- ISO 9001 Quality Management System
- ISO 14001 Environmental Management System
- MATES in Construction
- Civil Contractors Federation South Australia
Capability
Specialist civil & trenchless delivery
Five connected disciplines, delivered end to end — from directional drilling and non-destructive excavation to pipeline design, civil works and the project management that ties them together.
Horizontal Directional Drilling
Installation reach
100 mm to 1,000 mm in diameter for distances up to 800 metres
Trenchless crossings under roads, waterways, rail and sensitive ground — without opening the surface.

- 01
Civil Works
- 02
Horizontal Directional Drilling
- 03
Non-Destructive Excavation
- 04
Project Management
- 05
Pipeline Design & Construction
- We build this with youEach capability earns its own deep page — we draft the scope lines with your delivery team so they read exactly how you tender.
Proof
Project proof, built for procurement
Stakeholders vet capability with evidence. Your strongest approved project — scope, constraint and outcome — sits here as a case study, not just a photo.

Your best project proof belongs here - project name, service type, constraint and outcome, approved for public use.
We turn one real job into a procurement-ready case study — the sort of evidence a tender panel remembers.



Your strongest client testimonial sits here - the one that proves SADB is dependable on high-stakes civil work.
The People Behind The Pipe
Family owned and operated
A South Australian civil business that underwent a transformative shift in 1995 into directional boring — and has kept building beneath the surface ever since.
- Founder
- Vince De Vizio
- Director
- Michael De Vizio
Coverage
Based in Adelaide,
building underground.
Civil construction and underground service delivery, headquartered in Adelaide.
Confirm the wider regions SADB wants named publicly and we'll map them here.
23 Meredith Street, Newton, South Australia 5074
Start a project enquiry
Bring us the job.
Reach the SADB team direct — the fast path from tender or project brief to a conversation with people who do this every day.
