Skip to content
TLT Construction Co. Inc. logo, utility infrastructure contractor since 1979

Since 1979

Underground Utility Projects

Thousands of miles of underground cable and conduit, built for utilities, co-ops, providers, private industry and developers.

Work we build, by customer type

From the field

Photos from TLT jobsites: terminations, conduit, trenching, substation yards and pole work.

Crews, trucks and fiber

  • Crew in white hard hats digging a utility trench with a yellow mini excavator beside a new paved road, with a TLT flatbed truck and an orange conduit reel in the background
    Crew and mini excavator at a utility trench
  • Operator in a yellow hard hat seated in the cab of an orange CASE 580N backhoe loader with its bucket on the pavement beside a new road
    CASE 580N backhoe loader at a roadside site
  • White TLT Construction Company flatbed truck with a large wooden cable reel mounted on the back, parked at a utility jobsite
    TLT flatbed with a cable reel for pulling and placing
  • White TLT Construction Company Fiber Splicing Division trailer lettered for fiber optic installation and splicing, with phone number 830-420-3600
    TLT Fiber Splicing Division trailer

Underground electric

  • Copper grounding conductors and black underground electric cables entering a green pad-mount transformer, with PVC conduits stubbed up through the concrete pad
    Grounding and cable entries at a pad-mount transformer
  • Inside a green pad-mount transformer compartment, underground electric cables terminated on elbow connectors and routed down through the cabinet
    Underground cable terminated on elbow connectors
  • Open green pad-mount cabinet with labeled line and load elbow terminations and underground cables, set on a concrete pad
    Labeled line and load terminations in a pad-mount cabinet
  • Electric meter base and disconnect panel mounted on galvanized posts in an open field, with conduit rising from underground
    Metered electric service on a post rack

Trenching and conduit

  • Narrow utility trench cut through rocky ground with three grey conduits laid in the bottom and a green conduit marker beside it
    Three conduits laid in a narrow trench cut through rock
  • Long utility trench with bundles of grey and white PVC conduit alongside black conduit running along the bottom
    Multiple conduits laid in one trench
  • Open utility trench with grey PVC conduit risers taped together beside a black conduit sweep, with spoil piles and a wide graded site beyond
    Conduit risers and sweeps staged in an open trench
  • Black and grey conduit stub-ups bundled and taped, standing upright in a graded site
    Conduit stub-ups at a graded site
  • TLT Construction Company crew member in a blue safety vest watching a tracked excavator dig a utility trench on an open jobsite
    TLT crew member and excavator at a utility trench

Substation and site work

  • Steel substation structure with insulators and switches inside a fenced gravel yard, with conduit routes laid out in the foreground
    Substation structure and conduit routes in the yard
  • Low-angle view of a steel substation framework with insulators and a light fixture inside a fenced yard
    Substation framework inside a fenced yard
  • Stone and stucco home under construction with a shingle roof, a green pad-mount utility box on a pole stand and a white trailer in the yard
    New-construction lot with a utility pad-mount in place

Lighting and pole work

  • White TLT Construction Company bucket truck with its boom raised and a worker in the basket at the top of a pole on an open site
    TLT bucket truck at work on a pole
  • Worker in a bucket truck lift basket raised beside a street light pole against a clear blue sky
    Bucket truck work at a street light
  • Close-up of a worker in a bucket truck basket working on a street light fixture
    Working on a street light fixture from the basket

Need experience on work like yours?

Describe your scope and an estimator will tell you which TLT crews and equipment fit it, and what comparable work we can point to.

Request a BidContact an estimator

Have plans? Get a bid.

Send your project details and plans through our Request a Bid form, or call the office if your bid date is close.

Request a Bid830-420-3600