01
Horizontal Directional Drilling
Trenchless installation planning and execution for conduit, communications, and underground utility pathways.
Southern California Underground Infrastructure
SUB-TERRAX
Built Below. Trusted Above.
Experienced underground construction leadership for horizontal directional drilling, microtrenching, fiber deployment, utility installation, and restoration.
Core Capabilities
Infrastructure from the ground down.
Sub-Terrax is built around practical field experience, disciplined project coordination, and underground construction methods designed to keep work moving safely and efficiently.
02
Microtrenching
High-production roadway and right-of-way installation methods for fiber and communications infrastructure.
03
Fiber Construction
Underground pathway construction supporting backbone, distribution, and last-mile fiber deployment.
04
Utility Installation
Conduit placement, trench support, excavation coordination, and underground construction services.
05
Restoration
Jobsite closeout and surface restoration coordination focused on clean, professional completion.
06
Project & Ticket Coordination
Operational support for field scheduling, USA/DigAlert ticket workflows, white lining, and production planning.
About Sub-Terrax
Field-tested leadership. Built for the next phase.
Sub-Terrax was created to bring experienced underground infrastructure leadership, dependable communication, and production-minded execution to contractors, utilities, and project partners across Southern California.
Our approach is simple: understand the work, protect the job, communicate early, and finish strong.
Experienced leadership
Safety-focused planning
Clear project communication
Quality-driven execution
Field Experience
Equipment. Production. Execution.
Representative images of the underground construction environments, equipment, and methods behind the experience being brought into Sub-Terrax.
Markets Served
Built to support critical connections.
Telecommunications
Utility Contractors
Municipal Projects
Commercial Development
Public Infrastructure
Start a Conversation
Let’s talk about the work.
For estimating, project coordination, partnerships, or general inquiries, contact Sub-Terrax directly.
General Inquiriesinfo@sub-terrax.com
Estimatingestimating@sub-terrax.com
Phone(760) 486-1772
Service AreaSouthern California