Summit Line Constructions

What Summit Line Constructions does

Summit Line Construction, Inc. is a privately held electrical utility construction contractor founded in 2008 and headquartered in Heber City, Utah, operating as a member of the Quanta West group of companies under parent Quanta Services. The company delivers turnkey, design/build, and EPC construction services for investor-owned electric utilities, municipalities, government agencies, and private renewable energy developers across the western United States, with a documented project footprint that has extended to New York for emergency storm restoration. Its service portfolio comprises seven core capabilities — transmission (60 kV to 500 kV), distribution (4 kV to 60 kV), energized live-line services, substation construction (up to 765 kV), foundations and drilling, civil access, and renewables/BESS — supplemented by emergency restoration, program management, fiber optic, SCADA, and commercial/industrial electrical work.

Revenue is generated through competitively bid, project-based contracts with utility and government clients, priced custom to scope, terrain, and timeline on a multi-year contract cadence. Operations are supported by an IBEW-unionized craft workforce, four regional apprenticeship pipelines (JATC, MSLCAT, NW Line JATC, Southwestern), a fleet of 1,300+ specialized assets including 275-ton cranes and 150,000 lb-torque foundation drills, and exclusive access through Quanta to the patented LineMaster™ Robotic Arm for energized transmission and distribution work. Summit Line maintains eight regional offices across Utah, Arizona, California, Idaho, and Nevada, and counts PG&E, N.V. Energy, Vistra (Moss Landing), LIPA, National Grid, Idaho Falls Power, and Rocky Mountain Power among named enterprise customers, with marquee projects including the 142.8-mile Gateway West transmission build in Wyoming and the 750 MW Moss Landing battery storage facility.

Name

Summit Line Constructions

Legal name

Summit Line Construction, Inc.

Website

https://summitlineconstruction.com

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

251–500 employees

Short description

Summit Line Construction is a privately held, Quanta Services-affiliated electrical utility construction contractor headquartered in Heber City, Utah, delivering transmission, distribution, substation, energized, drilling, civil access, and renewables/BESS services to investor-owned utilities, municipalities, and renewable developers across the western United States.

Ownership category

akta.pro rank

Product category

Electrical Utility Construction Services

NAICS

Power and Communication Line and Related Structures Construction (237130), Power and Communication Line and Related Structures Construction (23713), Utility System Construction (2371), Heavy and Civil Engineering Construction (237)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Electrical Work (1731)

akta.pro primary industry

Transmission line EPC & construction (overhead) (EUADAKAA)

akta.pro secondary industries

Substation EPC & construction (AIS/GIS, greenfield/brownfield) (EUADAKAC), Overhead Distribution Line Construction (MV/LV) (EUAEACAA), Transmission Line/Stringing & Live-Line Construction Services (EUAEABAJ), Overhead & Underground Collection System Construction (MV/HV Lines, Duct Banks) (EUAEADAG), Site Preparation & Civil Works (Clearing, Grading, Earthworks, Roads) (EUAMAFAA), Mutual Assistance Crew Logistics, Staging & Base Camp Services (EUAEAIAJ)

Keywords

• Electrical utility construction
• Transmission line construction
• Distribution powerline services
• Substation construction
• Renewable energy infrastructure

Headquarters

HQ city

Heber City

HQ country

United States

HQ region

North America

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Electrical Utility Construction Services: Project-based construction services for electrical infrastructure including transmission lines, distribution systems, substations, foundations, drilling, civil access, and renewable energy installations. Revenue is generated through competitively bid contracts with utilities, municipalities, government agencies, and private organizations.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Summit Line Construction is a specialized electrical utility construction company that builds and maintains transmission lines, distribution systems, substations, and renewable energy interconnections for utilities, municipalities, and private developers. The company delivers turnkey, design/build, and EPC projects ranging from 4 kV distribution work up to 500 kV transmission, with capabilities in foundations, drilling, civil access, and live-line energized work. Operations span the western United States, supported by a fleet of 1,300+ specialized equipment pieces and an IBEW union workforce.

Product overview

Summit Line Construction is an electrical utility construction company that operates as a single integrated service platform rather than a modular software product. The core offering consists of seven interconnected service lines: Distribution Services, Transmission Services, Energized Services, Substation Services, Foundations and Drilling Services, Civil Access Services, and Renewables Services. These services are delivered by a unified operations team using specialized equipment and are supplemented by additional capabilities including Emergency Restoration, Program Management, Fiber Optic, SCADA, and Commercial/Industrial Electrical Services. The Energized Services division notably incorporates the LineMaster Robotic Arm technology, which is available through Quanta Services' exclusive patent rights. Projects are delivered on turnkey, design/build, and EPC (engineer, procure, construct) basis across the western United States.

Differentiator

Problem solved

Functional benefit

Products and services

• Distribution Services Overhead and underground distribution powerline construction and maintenance services, including rubber glove and hot stick solutions, pole replacements, reconductoring, line relocations, and wildfire mitigation for systems ranging from 4 kV to 60 kV, serving electric utilities and municipalities.
• Transmission Services Transmission line construction and maintenance services ranging from 60 kV wood structures to 500 kV three bundle, guyed V-steel, and lattice tower structures, including new overhead AC and DC line construction, system upgrades, and refurbishing of existing lines for utility clients.
• Energized Services Live-line maintenance and construction services using barehand, hot stick, rubber glove, and high induction stringing methods, including the LineMaster Robotic Arm technology for energized distribution and transmission work that eliminates planned power outages for utilities.
• Substation Services Full phases of substation construction including greenfield sites and brownfield retrofits, upgrades, expansions, and rebuilds, with capabilities for projects up to 765 kV, civil construction, equipment installation, BESS installation, and commissioning for utility clients.
• Foundations and Drilling Services Large-scale drilling and foundation installation using specialized techniques for drilled pier foundations, direct embed, vibratory caissons, and micro-pile foundations, capable of drilling caissons up to 15 feet in diameter and 80 feet deep in extreme terrain.
• Civil Access Services Turnkey right-of-way and civil services for substation site development and transmission line access, including clearing, vegetation management, SWPPP compliance, matting, culvert installation, and site restoration for utility projects.
• Renewables Services Construction and expansion services for renewable energy projects including transmission line interconnection, distribution collection system construction, microgrid installations, battery energy storage system (BESS) installation, and communication system installation for wind and solar projects.
• Emergency Restoration Services Storm and emergency response services for rapid assessment and power restoration across distribution and major transmission construction, with coordinated positions including storm manager, area manager, and restoration coordinators available 24 hours a day.
• Program Management Services Construction and maintenance strategy assistance including constructability reviews, cost and performance audits, scheduling, design, estimating, engineering (civil, electrical, mechanical, substation/transmission/distribution), and program/project/construction/safety/quality management.
• Fiber Optic Services Installation of fiber optic cable on new and existing transmission lines, underground systems, and overhead distribution systems, including structure make-ready, aerial/underground installation, and splice case installation.
• SCADA System Installation Services Turnkey installation and checkout of Supervisory Control and Data Acquisition (SCADA) systems, including component and wiring installation, SCADA system maintenance, relay installation, and relay maintenance for utility clients.
• Commercial/Industrial Electrical Services Turnkey installation of low and medium-voltage systems for new construction, system rebuilds, and maintenance, including interior/exterior lighting, lighting controls, breakers, generators, fire alarm systems, security systems, and medium voltage terminations for commercial and industrial clients.

Quantifiable outcome

• AED program has saved 32 lives with 10,984 AED units deployed across North America

Named customers8 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Six partnerships are on record, tiered core and minor.

• Quanta ServicescoreStrategic or Co-development PartnerSummit Line Construction is a Quanta West company, enabling access to broader resources for complex electrical infrastructure programs across the western United States. Through Quanta, Summit gains access to sister company resources, equipment sharing, and the exclusive LineMaster™ robotic arm technology. This affiliation provides the scale of a larger organization with personalized smaller-company experience.
• International Brotherhood of Electrical Workers (I.B.E.W.)coreStrategic or Co-development PartnerSummit Line Construction is a proud member of I.B.E.W., which has worked for over 100 years to build unity among its workforce with high levels of safety and training standards. The company maintains strong relationships with numerous local unions throughout the country.
• National Electrical Contractors Association (NECA)coreStrategic or Co-development PartnerSummit Line Construction is a proud member of NECA, the voice of the $225 billion electrical construction industry that brings power, light, and communication technology to buildings and communities across the U.S.
• Apprenticeship Programs (JATC, MSLCAT, NW Line JATC, Southwestern)minorStrategic or Co-development PartnerPartnership with Joint Apprenticeship and Training Committees including JATC, MSLCAT, NW Line JATC, and Southwestern to provide best-in-class apprenticeship programs for workforce development.
• Quanta WestcoreStrategic or Co-development PartnerSummit Line Construction is part of the Quanta West group of companies, enabling leverage and scale of resources for complex electrical infrastructure programs across the western United States.
• Northwest Lineman CollegeminorStrategic or Co-development PartnerAccredited training facility with four campuses across the United States offering specialized training across infrastructure industries. Summit can leverage grants for students needing financial assistance.

Scale indicators4 records

Recent moves2 records

Expansion highlights5 records

Direct peers

• PAR Electrical Contractors: Direct sister company under Quanta Services offering transmission, distribution, substation, and renewable construction services with a similar IBEW-union workforce model. Most directly comparable peer given shared parent, overlapping geography, and substantially overlapping service portfolio.
• MYR Group: Public T&D construction specialist (NASDAQ: MYRG) providing transmission, distribution, substation, and commercial/industrial electrical services across the U.S. and Canada. Closely comparable business model focused on utility-grade electrical construction with similar customer base of IOUs and developers.
• Henkels & McCoy: Privately held national contractor providing overhead and underground transmission, distribution, substation, and gas distribution construction. Comparable in scale, union workforce approach, and service mix to Summit Line, with similar enterprise utility customer base.
• Wilson Construction: Privately held specialist in substation, transmission, and distribution construction for electric utilities across the Western U.S. Closely comparable specialty contractor with similar union workforce, terrain expertise, and customer profile to Summit.
• Irby Construction: Subsidiary of Quanta Services providing transmission, distribution, substation, and storm restoration services across the South and Midwest. Sister Quanta company operating in the same T&D EPC space with similar union model and IOU customer base.

Broad incumbents

• Quanta Services: NYSE-listed parent company (PWR) and the largest pure-play utility infrastructure contractor in North America. Summit operates as a Quanta West subsidiary and benefits from Quanta's broader scale, equipment sharing, and LineMaster IP; Quanta's full T&D + renewables + communications portfolio is a superset of Summit's offerings.
• MasTec: NYSE-listed (MTZ) infrastructure construction provider with utility, communications, oil & gas, and clean energy segments. Competes directly with Summit on transmission and distribution but operates at meaningfully larger scale and broader geographic footprint across multiple verticals.
• EMCOR Group: NYSE-listed (EME) Fortune 500 provider of electrical and mechanical construction, building services, and industrial solutions. Overlaps with Summit on commercial/industrial electrical work but is far broader in scope, including facilities services and HVAC not core to Summit's utility-grade business.
• IES Holdings: NASDAQ-listed (IESC) electrical contracting platform providing commercial, industrial, and infrastructure electrical services including utility-scale work. Comparable in electrical contracting fundamentals but with a more diversified customer mix spanning data centers, healthcare, and industrial.
• Pike Electric: Large T&D and storm-restoration services provider serving IOUs, electric cooperatives, and municipalities across the U.S. Highly comparable in transmission, distribution, and emergency response services, with deeper geographic diversification into the Southeast.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/summitlineconstruction
• Xx.com/Summit_Line

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Summit Line Constructions