Name

Quanta Infrastructure Solutions Group

Legal name

Quanta Infrastructure Solutions Group LLC

Website

https://quantaisg.com

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

101–250 employees

Short description

QISG is a Houston-based EPC infrastructure services subsidiary of Quanta Services, delivering turnkey engineering, construction, and program management for electric power, water/wastewater, and renewable energy clients across the United States.

Ownership category

akta.pro rank

Product category

Infrastructure Construction Services

NAICS

Electric Power Generation, Transmission and Distribution (2211), Electric Power Transmission, Control, and Distribution (22112), Electric Bulk Power Transmission and Control (221121), Electric Power Distribution (221122), Solar Electric Power Generation (221114)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Construction Management & General Contracting (EPCM, Scheduling, QA/QC, HSE) (EUAMAFAJ)

akta.pro secondary industries

Transmission Interconnection & Line Works (Gen-Tie Lines, Overhead/Underground Lines) (EUAMAFAF), Owner’s Engineering, Grid Interconnection & System Studies (PVsyst/Performance Modeling, Protection Studies) (EUACAGAG)

Keywords

• Infrastructure construction services
• EPC project delivery
• Electric power infrastructure
• Water wastewater treatment
• Renewable energy construction

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. EPC Services (Engineering, Procurement, Construction): Turnkey EPC services for electrical infrastructure, wastewater and specialty projects. QISG delivers end-to-end solutions from front-end services (environmental, permitting, right-of-way) through execution (engineering, procurement, construction). Industry transforming Construction as a Partner delivery approach reduces risk premiums and enhances schedule certainty.
2. Construction Manager at Risk (CMAR): Innovative construction management approach ensuring cost and schedule containment for complex construction projects. QISG places cost and schedule containment at the forefront and ties together vast experience and variety of services to establish maximum price for project delivery.
3. Progressive Design-Build: Collaborative methodology with DBIA certified staff delivering innovation through Progressive Design-Build for Water/Wastewater and Electric Power industries. Team enters earliest stages to minimize design risks and establish Guaranteed Maximum Price (GMP) at optimum point in design phase.
4. Program Management: Long term, complex, or strategic projects requiring programmatic approach. QISG partners with clients to develop pathway to success and organize and manage delivery teams as integrated extension of client's team.
5. Project Management: Turnkey project execution with experienced Project Managers supported by high-performance team of Construction, Quality, Safety Managers, Engineers, Schedulers, Procurement Managers, and specialized resources.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

QISG delivers end-to-end infrastructure construction solutions for utilities, municipal governments, and cooperatives through EPC, CMAR, and Progressive Design-Build delivery models. Its services span engineering, permitting, right-of-way acquisition, material procurement, construction management, safety, quality, and project controls for electric power, water/wastewater, and renewable energy projects. As a subsidiary of Quanta Services, QISG provides single-point accountability for projects of any size across the United States.

Product overview

QISG is an infrastructure solutions provider offering a portfolio of interconnected service capabilities organized around three primary service delivery models: Engineering, Procurement & Construction (EPC), Construction Manager at Risk (CMAR), and Progressive Design-Build. The core service offerings include Program Management, Project Management, Construction Management, Safety Management, Project Controls & Scheduling (with GIS-enabled Project Management Dashboard), Engineering & Design (spanning Chemical, Physical, Mechanical, Civil, and Electrical disciplines), Environmental Planning & Permitting, Right-of-Way Acquisition, Material Procurement & Management, and Quality Management. QISG serves three critical infrastructure markets: Electric Power, Water/Wastewater, and Renewables. As a subsidiary of Quanta Services, QISG leverages Quanta's comprehensive resources and is positioned as the Center of Excellence for Program, Project, and Construction Management within the Quanta Services family of companies.

Differentiator

Problem solved

Functional benefit

Products and services

• Engineering, Procurement, Construction (EPC) Services Full-service EPC delivery model for electrical infrastructure, wastewater, and specialty projects, providing end-to-end solutions from front-end services (environmental, permitting, right-of-way) through execution (engineering, procurement, construction). Targeted at electric utilities, water/wastewater utilities, and developers of complex critical infrastructure projects.
• Construction Manager at Risk (CMAR) Services Innovative construction management approach that establishes a Guaranteed Maximum Price during planning and design, ensuring cost and schedule containment through completion. Targeted at owners considering CMAR delivery for complex construction projects in energy and water infrastructure.
• Progressive Design-Build Services Collaborative design-build delivery using DBIA-certified staff for Water/Wastewater and Electric Power projects, entering at the earliest stages to minimize design risks and establish GMP at the optimum point in the design phase.
• Program Management Programmatic approach to delivery for long-term, complex, or strategic projects where client internal resources are stretched and timelines are compressed; partners with clients to develop pathways to success and manage integrated delivery teams.
• Project Management Turnkey project execution staffed by experienced Project Managers supported by high-performance teams of Construction, Quality, Safety Managers, Engineers, Schedulers, Procurement Managers, and specialized resources.
• Construction Management Leadership and integration of construction and services subcontractors for critical infrastructure projects, including the ability to manage work in highly compressed timelines.
• Safety Management Comprehensive safety planning, management, training, observations, and auditing that begins during the bid phase and continues throughout the project lifecycle.
• Project Controls & Scheduling Schedule monitoring, tracking, and enforcement with a custom GIS-enabled Project Management Dashboard providing near real-time situational awareness, electronic field data capture, and shared visibility across the project team and clients.
• Engineering & Design Comprehensive engineering, design, surveying, field data collection, system studies/planning, asset management, and GIS solutions covering Chemical, Physical, Mechanical, Civil, and Electrical disciplines.
• Environmental Planning, Permitting & Management Environmental management and permit support delivered through in-house resources and relationships with Federal, state, and local agencies, including wetland delineation, mitigation, and habitat surveys.
• Right-of-Way Acquisition Landowner and community engagement services including option and easement negotiations, title research, stakeholder engagement programs, and compensation programs for linear infrastructure projects.
• Material Procurement & Management Global supplier network with world-class material management processes ensuring delivery of quality materials on time at competitive prices through customized tracking solutions.
• Quality Management Quality Management System driving all stakeholders to execute work correctly the first time, with electronic quality form capture from the field and independent review for completeness and accuracy.

Quantifiable outcome

• Gateway West Project: 145 miles of 500kV lattice tower construction and 50 miles of 230kV completed on schedule and under budget despite COVID-19 impacts
• +4 more outcomes

Named customers6 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

Feature3 records

Partnerships

Four partnerships are on record, tiered core, major and minor.

• Quanta ServicescoreStrategic or Co-development PartnerQISG is a proud part of Quanta Services, the largest end-to-end solutions provider in North America. As a member of the Quanta Services family of companies, QISG has financial strength, employees, equipment and bonding capacity to handle the largest and most complex projects. QISG leverages Quanta's comprehensive resources to deliver collaborative solutions.
• Quanta Internal Team of Engineering FirmscoreStrategic or Co-development PartnerQuanta's Internal Team of Engineering Firms provides comprehensive engineering, design, surveying, field data collection, system studies/planning, asset management and GIS solutions to the energy utilities market. Integration of construction experience into engineering processes sets QISG apart.
• HDRmajorStrategic or Co-development PartnerHDR provided environmental management and onsite survey support ahead of field construction for the Gateway West Transmission Line Project. Strategic partner providing specialized environmental expertise alongside QISG's construction capabilities.
• Industry PartnersminorStrategic or Co-development PartnerQISG self-performs a vast majority of work but when bringing in a partner builds a network that adheres to standards of safety and excellence. Company aligns with proven industry leaders who enable comprehensive solutions on projects of any size.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Fluor Corporation: Large global EPC firm with energy solutions, urban solutions, and mission solutions segments. Overlaps with QISG on large transmission, substation, and renewable interconnection EPC work, particularly for IOUs and federal clients.
• Kiewit Corporation: One of the largest employee-owned engineering and construction firms in North America, with substantial power, water/wastewater, and heavy civil EPC capability. Competes for many of the same large utility and municipal infrastructure programs as QISG.
• EMCOR Group: Large publicly traded provider of electrical and mechanical construction, building, and industrial services. Comparable on the electrical construction and substation execution side, with a broader commercial/industrial base than QISG.
• Quanta Services: Parent company of QISG and the largest end-to-end infrastructure solutions provider in North America. Directly comparable business model (EPC across electric power, renewables, communications, gas) and is the structural backdrop against which QISG operates as a Center of Excellence for program/project/construction management.
• AECOM: Global infrastructure consulting and construction firm with significant water and power practices. Competes with QISG on large water/wastewater and transmission program management and design-build pursuits.

Regional players

• Granite Construction: Publicly traded US heavy civil and infrastructure construction company with a meaningful water resources and utility infrastructure practice. Comparable on water/wastewater treatment plant and pipeline work that QISG also delivers, particularly in the western US.

Direct peers

• MasTec: Major publicly traded US infrastructure construction firm delivering engineering, building, and maintenance across electric transmission, distribution, oil & gas pipelines, and clean energy. Directly competes for the same utility, renewable, and water/wastewater EPC programs that QISG targets.
• Burns & McDonnell: Employee-owned engineering, architecture, construction, and consulting firm with deep electric T&D, substation, and water/wastewater practices. Direct comparable on design-build and EPC for utilities and municipalities — frequently a co-bidder or partner to QISG.
• MYR Group: Publicly traded specialty contractor focused on electrical construction — transmission, distribution, substation, and commercial/industrial — across the US and Canada. Closely comparable on QISG's core high-voltage transmission and substation work.
• Primoris Services Corporation: Publicly traded US infrastructure construction company operating across Power, Utilities, Pipeline, and Civil segments. Competes head-to-head on electric T&D, substation, and renewable interconnection EPC programs.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/quantaisg
• LinkedInlinkedin.com/company/qisg
• Instagraminstagram.com/quantaisg

Revenue estimate

Valuation estimate

Number of profiles

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 Quanta Infrastructure Solutions Group