Services About Projects Get in Touch
Underground Utility Contractors · DFW Metroplex · Since 1992

Built
From the
Ground
Up.

Fire Line Services installs the underground infrastructure that commercial construction runs on — water, sewer, storm, and fire lines — with 30+ years of fieldwork and a reputation built on relationships.

30+ Years in Business
50+ Field Crew Members
$10M Bonding Capacity
Sewer Installation Water Line Install Storm Drainage Fire Line Install Underground Fire Repair Backflow Testing Leak Detection & Repair DFW Metroplex Commercial Subcontractor RME U Licensed Sewer Installation Water Line Install Storm Drainage Fire Line Install Underground Fire Repair Backflow Testing Leak Detection & Repair DFW Metroplex Commercial Subcontractor RME U Licensed

Core Services

Commercial underground utility installation across the full spectrum — from new construction to repairs.

02
Water
Line Install

Domestic and commercial water service installations built to code and designed to last.

03
Storm
Drainage

Underground storm drainage systems engineered for high-volume commercial and infrastructure projects.

04
Fire Line
Install

Underground fire protection lines, FDC connections, and system feeds — where it all started for us in 1992.

Underground Fire Repair
Locating, excavating, and repairing underground fire suppression line failures.
Backflow Testing
Certified backflow prevention device testing for commercial systems.
Leak Detection & Repair
Find and fix underground water and utility line leaks with minimal disruption.
View All Services

We're Strong
on Relationships.

"That is what we have heard from GCs in the past."

Three decades of DFW commercial work builds something you can't fake — a reputation. Our crews show up, move efficiently, communicate, and deliver. That's why GCs call us back project after project.

01
Relationship-First Culture
We invest in the GC relationship, not just the contract. When problems come up underground, you want a sub you can call.
02
Crew Efficiency in the Field
50-person crews who know how to move. Our field productivity is consistently cited by GC partners as a standout.
03
Full Underground Scope
Sewer, water, storm, fire — plus repairs and backflow. One sub, complete underground coverage.
04
Safety-Trained at Every Level
OSHA 10, 30, 510, 500 certified. Confined Space and CPR trained. Safety isn't a checkbox — it's how we run.
1992
Founded
$10M
Bonding Capacity
50+
Field Crew Members
RME U
License
UCA TX ASA
Safety Certs
OSHA 10 OSHA 30 OSHA 510 OSHA 500 Confined Space CPR