UNDERGROUND SERVICES, LLC

Self-Performed Foundation Drilling · Structural Concrete · Civil — Energy Infrastructure
Capabilities & Line Card
Parker, CO 80134  •  (720) 795-6475
callen@undergroundsvcs.com
undergroundsvcs.com
Single point of contact, single source of responsibility. Underground Services self-performs foundation drilling, structural concrete and civil scopes for substations, transmission and energy facilities — so general contractors and owners manage fewer subcontracts and less risk, backed by a 0.97 EMR and zero recordable incidents since 2024. Member of Mountain Energy Partners, a turnkey energy-facility joint venture with Gray Matter Construction.
0.97
EMR Safety Rating
Zero
Recordable Incidents
19K+
Safe Work Hours
15+
Energy Projects

Self-Performed Services

Deep Foundation Construction — caissons / drilled shafts (24"–108", to 40 ft+), rock sockets, helical piles, driven piles & sheet piles, micropiles
Concrete & Structural — transformer & breaker pads, equipment foundations, containment structures, grade beams, slabs & pilasters; cast-in-place concrete & rebar; soundwalls
Civil — over-excavation, backfill & compaction, engineered site pads, duct bank & trenching, site infrastructure & underground utilities
Hydrovac — non-destructive vacuum excavation, utility daylighting & potholing, slot trenching

Markets Served

Energy Transmission & Distribution Industrial DOT Commercial

Equipment & Self-Perform Capacity

  • Owned fleet: Tescar CF6 crawler foundation drill; Western Equipment rock & dirt augers (24"–60") & core barrels; EFCO & Symons column forms (30"–108"); CAT 275 skid loader w/ drill attachment; RAM trucks & trailers
  • Specialty: high-torque rock drilling, large-diameter caissons to 108", low-clearance / limited-access tooling
  • Self-performed by experienced in-house crews — minimal reliance on lower-tier subs; nationwide travel capability

Qualifications

EMR (eff. 1/1/2026)0.97
TRIR / DART (2024–25)0.0 / 0.0
Recordable incidentsZero since 2024
InsuranceFully insured
Coverage areaWest of the Mississippi (excl. CA)
Bonding & suretyAvailable on request

Safety & Training

  • OSHA 30 supervisors · HAZWOPER · CPR / First Aid
  • NCCO crane operator · Rigger I · aerial-boom certified
  • Signed OSHA 300A logs & EMR letter available for prequal

Representative Projects

  • Hitachi USA — Xcel May Valley SYNCON (Mears Group) — substation foundations 30"–108" dia. to 40 ft; machine hall, SYNCON & transformer pads; 3,000 CY concrete
  • Xcel Energy High Point Substation (Hooper) — 36"–84" dia. foundations to 35 ft; transformer containment & MCSG building; 625 CY concrete
  • CORE Spring Valley Substation (Foothills Energy) — 30"–60" dia. foundations to 26 ft; 200 CY concrete

Why Underground Services

  • Single point of responsibility — turnkey delivery
  • Self-performed scope = schedule & quality control
  • Owner-led, 25+ years deep-foundation & substation experience
  • 0.97 EMR · zero recordable incidents since 2024
Underground Services, LLC  |  18695 Pony Express Dr, PO Box 998, Parker, CO 80134
Estimating: (720) 795-6475  •  callen@undergroundsvcs.com  •  undergroundsvcs.com
INVITE US TO BID Prequal packet sent same day
Rev. 07/2026