Foundation Drilling · Structural Concrete · Civil

Foundations for Energy
Infrastructure.

We self-perform the caissons, structural concrete and civil work that substations, transmission and energy facilities are built on — with a 0.97 EMR and zero recordable incidents since 2024.

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Deep Foundations

Caissons, helical piles, driven piles & micropiles.

Structural Concrete

Transformer & breaker pads, containment, slabs & rebar.

Civil & Hydrovac

Over-ex & compaction, site pads, duct bank, daylighting.

Safety-Led & Owner-Operated

0.97 EMR, zero incidents, 25+ years of leadership.
0.97
EMR (Experience Mod.)
Zero
Recordable Incidents
19,000+
Safe Work Hours
15+
Energy Projects
What We Self-Perform

Foundation, Concrete & Civil Services

Precise engineering scope, owned equipment, and crews who do the work themselves — the way estimators want to see it.

Caissons

Caissons

Large-diameter drilled foundations, 24"–108", in soil and rock.

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Helical Piles

Helical Piles

Torqued-in piles with immediate, verifiable capacity.

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Driven Piles & Sheets

Driven Piles & Sheets

Driven steel bearing piles and interlocking sheet-pile walls.

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Micropiles

Micropiles

Small-diameter, high-capacity piles for tight access and underpinning.

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Structural Concrete & Rebar

Structural Concrete & Rebar

Cast-in-place foundations, equipment pads and containment for energy facilities.

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Soundwall Installation

Soundwall Installation

Soundwall columns and panels for substations and sites.

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Markets We Serve

Find Your Sector

EnergyTransmission & DistributionIndustrialDOTCommercial
Proof of Work

Featured Projects

Quantified scope — diameters, depths, counts and conditions — so you can judge whether we can do your job at your scale.

Hitachi USA — Xcel Energy May Valley SYNCON
Brandon, CO

Hitachi USA — Xcel Energy May Valley SYNCON

  • 30"–108" dia. foundations
  • Up to 40 ft deep
  • Machine hall, SYNCON & transformer pads
CaissonsStructural Concrete & RebarOver-Excavation & Compaction
Xcel Energy High Point Substation
Aurora, CO

Xcel Energy High Point Substation

  • 36", 42", 48" & 84" dia. foundations
  • Up to 35 ft deep
  • Transformer containment & MCSG building
CaissonsStructural Concrete & RebarOver-Excavation & Compaction
QTS Data Center
Aurora, CO

QTS Data Center

  • Foundation drilling
  • Grade beams & slabs
  • Drill & dowel into existing
CaissonsStructural Concrete & RebarSite Infrastructure
CORE Spring Valley Substation
Elizabeth, CO

CORE Spring Valley Substation

  • 30", 36", 42" & 60" dia. foundations
  • Up to 26 ft deep
  • 200 CY concrete placed
CaissonsStructural Concrete & Rebar
Xcel Energy Spruce Substation
Aurora, CO

Xcel Energy Spruce Substation

  • 30", 36", 42" & 60" dia. foundations
  • Up to 20 ft deep
  • Over-ex & compacted breaker pads
CaissonsStructural Concrete & RebarOver-Excavation & Compaction
Rocky Mountain Power — Dave Johnston Power Plant
Glenrock, WY

Rocky Mountain Power — Dave Johnston Power Plant

  • Helical piles
  • Demo & over-excavation
  • Breaker pads, pilasters & footings
Helical PilesStructural Concrete & RebarOver-Excavation & Compaction
Browse the Full Portfolio →
Trusted By

Key Clients & Partners

Xcel EnergyHooperMears GroupQTSCOREQISGWard ElectricMYR GroupHitachiPAR ElectricSturgeon ElectricMark Young
JOINT VENTURE

Mountain Energy Partners

Gray Matter Construction, LLC + Underground Services, LLC

Turn-key services for energy facilities — substations, data centers, renewable energy, civil & underground.

Complete Project DeliveryNationwide Travel CapabilitySafety-Focused Culture
Why Underground Services

Built for Prequalification

Single Point of Responsibility

One self-performing contractor for drilling, concrete and civil — fewer interfaces, cleaner schedules, clear accountability.

Safety That Clears Prequal

A documented program and EMR/TRIR record built to pass the first hard gate on any bid list.

Owned Fleet, Real Capacity

Owned drill rigs and specialty equipment mean we can mobilize when your schedule demands it.

Qualifications

Bondable, Certified, and Ready for Public Works

Bonding capacity, insurance, certifications and state licensing — the documentation estimators and owners need before they place you on a bid list. Grab the line card or request our full prequalification packet.

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Safety — EMR
0.97
NCCI experience mod, effective 1/1/2026
Recordable Incidents
Zero since 2024
OSHA 300A: 0 recordables, 0 lost-time
ISNetworld®
Member Contractor
Safety & compliance data maintained for client prequalification
Owner-Led Experience
25+ years
Deep foundation, concrete & substation
Joint Venture
Mountain Energy Partners
with Gray Matter Construction
Reach
West of the Mississippi
nationwide travel capability (excl. CA)
Insurance
Fully insured
workers' comp & general liability

On a bid clock?

Send us the ITB and plans — we'll turn around a competitive number fast.

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