IES

Electrical and Communications Contracting Servicesies-corporate.com

IES Holdings (NASDAQ: IESC) is a U.S. national provider of electrical, communications, and infrastructure solutions operating through four segments — IES Electrical, IES Communications, IES Infrastructure Solutions, and IES Residential — serving data centers, housing, commercial, industrial, power, and transportation end-markets with 9,000+ employees across all 50 states.

Company typePublic
Founded1997
HeadquartersHouston, United States
Headcount5,001–10,000
GTM typeB2B
OfferingServices

What IES does

IES Holdings, Inc. (NASDAQ: IESC) is a national provider of electrical, communications, and infrastructure solutions headquartered in Sugar Land, Texas, with an executive office in Greenwich, Connecticut. The company designs, installs, and maintains integrated electrical and technology systems through four principal operating segments: IES Electrical (commercial and industrial electrical contracting), IES Communications (structured cabling, AV, security, and low-voltage systems), IES Infrastructure Solutions (custom power products, steel fabrication, and industrial apparatus services), and IES Residential (single- and multi-family electrical, mechanical, and plumbing services). Its 9,000+ employees serve clients across all 50 U.S. states in seven end-markets: data centers, residential housing, commercial and institutional facilities, e-commerce distribution, industrial and manufacturing, power generation and distribution, and transportation.

The company earns revenue primarily through project-based contracts for electrical and technology infrastructure services, with pricing determined via competitive bidding, direct negotiations, and project-specific scoping rather than standardized tiers. Revenue streams include professional services for electrical contracting and communications infrastructure (the largest streams), hardware/manufacturing sales for custom power products (generator enclosures, isolated phase bus systems, switchgear), and industrial apparatus repair and remanufacturing. IES sells to enterprise customers including data center operators, general contractors, real estate developers, and homebuilders, with go-to-market executed through dedicated field sales teams and local operating companies. The pending $192 million acquisition of Gulf Island Fabrication (announced November 2025, expected to close by March 31, 2026) will add steel fabrication capabilities targeting U.S. infrastructure and data center demand. The company also participates as one of six strategic partners in Pinnacle Infotech's AI-powered digital ecosystem for global design-to-delivery projects.

IES firmographics

Firmographics

Name: IES
Legal name: IES Holdings, Inc.
Website: https://ies-corporate.com
Company type: Public
Founded year: 1997
Operating status: Operating
Headcount range: 5,001–10,000 employees
Short description: IES Holdings (NASDAQ: IESC) is a U.S. national provider of electrical, communications, and infrastructure solutions operating through four segments — IES Electrical, IES Communications, IES Infrastructure Solutions, and IES Residential — serving data centers, housing, commercial, industrial, power, and transportation end-markets with 9,000+ employees across all 50 states.
Ownership category
akta.pro rank

IES industry classification

Industry

Product category: Electrical and Communications Contracting Services
NAICS: Offices of Other Holding Companies (551112), Electronic and Precision Equipment Repair and Maintenance (8112)
SIC: Electrical Industrial Apparatus (3620)
akta.pro primary industry: Energy Services (Retrofits/Commissioning/Testing & Balancing) (IMAIABAI)
akta.pro secondary industry: Protection Relays & Protection IEDs (EUADACAE)

Keywords

Electrical contracting services
Communications infrastructure
Custom power solutions
Industrial apparatus services
Technology infrastructure design

Where IES is headquartered

Location

Headquarters

HQ city: Houston
HQ country: United States
HQ region: North America

Offices2 records

Markets served

IES business model

Business model

GTM type: B2B
Offering type: Services
Cost components: Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

Electrical Contracting Services: Design, build and maintenance services for electrical systems across commercial, industrial, and residential markets. Revenue generated through project-based contracts with various delivery methods.
Communications Infrastructure Services: Design, build and maintenance services for technology and communication systems including structured cabling, audio/visual, security systems and data networks
Custom Power Products: Manufacturing and installation of custom power products including generator enclosures, switchgear, and bus systems for industrial and power generation customers
Industrial Apparatus Services: Repair, service, and supply of electrical apparatus including AC/DC motors, transformers, switchgear/circuit breakers, with rewind, recondition and remanufacturing capabilities

Pricing tiers

Model	Billing	Price
Other	Multi-year contract	Project-based pricing through competitive bidding

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

IES product offering

Product offering

Core offering

IES Holdings, Inc. designs, installs, and maintains integrated electrical and technology systems and provides infrastructure products and services to end markets including data centers, residential housing, commercial and industrial facilities, e-commerce, power, and transportation. The company operates through four principal business segments—IES Electrical, IES Communications, IES Infrastructure Solutions, and IES Residential—delivering capabilities such as custom power products (generator enclosures, bus systems), structured cabling, mechanical and plumbing, and industrial apparatus repair and remanufacturing.

Product overview

IES Holdings, Inc. is an electrical, communications, and infrastructure solutions provider that designs, installs and maintains integrated electrical and technology systems. The company operates through four principal business segments: IES Electrical (a leading national electrical contractor), IES Communications (nationwide network technology services), IES Infrastructure Solutions (custom steel fabrication and custom power solutions including generator enclosures and bus systems), and IES Residential (electrical, mechanical and plumbing for housing). Additional offerings include Custom Power Solutions, Technology Infrastructure, Mechanical & Plumbing, and Industrial Services. The portfolio serves diverse end markets including data centers, residential housing, commercial and industrial facilities, e-commerce, power, transportation, and industrial manufacturing.

Differentiator

Problem solved

Functional benefit

Products and services

IES Electrical
IES Communications
IES Infrastructure Solutions
IES Residential
Custom Power Solutions
Technology Infrastructure
Mechanical and Plumbing
Industrial Services

Quantifiable outcome

Ranked #4 on Houston Chronicle's 2025 Chronicle 100 list of top companies
+1 more outcomes

Companies that use IES

Customer profile

Named customers4 records

Segments7 records

Ideal customer profiles5 records

IES technology and API

Technology

Technology focussed No

API detail

Has API: No
API docs
API detail

Core technology

AI maturity

App detail

Feature2 records

IES partnerships and signals

Strategic signal

Partnerships

Two partnerships are on record, tiered core and minor.

Pinnacle InfotechcoreStrategic or Co-development Partner · 30 March 2026Partnership with Pinnacle Infotech as one of six strategic global partnerships announced to create an integrated AI-powered digital ecosystem spanning the entire design-to-delivery lifecycle. IES software will be part of Pinnacle's digital ecosystem for global projects.
U.S. ArmyminorOthersIES partners with the U.S. Army in its Partnership for Youth Success (PaYS) program to support recruitment of veterans into the company's workforce.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

IES competitors and assessment

Company assessment

Direct peers

MasTec: Engineering, building, and maintenance services for communications, energy, utility, and oil and gas infrastructure end markets. Comparable in scale and end-market breadth, with similar exposure to data center and renewable energy buildouts.
Quanta Services: Leading infrastructure construction services provider for electric, gas, telecommunications, and renewable energy utilities. Overlaps with IES Electrical and IES Infrastructure Solutions across power generation, transmission, and distribution work.
MYR Group: Specialty contractor serving electrical utility and commercial/industrial markets with transmission, distribution, substation, and commercial electrical construction services. Direct competitor for IES's utility and commercial electrical work.
EMCOR Group: Largest publicly traded national mechanical and electrical construction services provider in the U.S., serving commercial, industrial, utility, and institutional markets with a similar mix of project services and recurring maintenance. Closest comparable to IES in scale, end-market breadth, and service offering.
Faith Technologies: Private national electrical and specialty systems contractor serving commercial, industrial, healthcare, data center, and renewable markets. Direct competitor to IES Electrical with comparable data center and industrial customer overlap.
Comfort Systems USA: National provider of mechanical and electrical contracting services for commercial, industrial, and institutional customers. Highly comparable business model to IES Electrical and IES Residential, with comparable project-based pricing and recurring service mix.

Broad incumbents

ABB: Global electrification, motion, and automation technology provider offering switchgear, drives, and industrial electrical products alongside digital solutions. Overlaps with IES's custom power and switchgear offerings as a much larger equipment supplier.
API Group: Provider of safety, specialty, and industrial services including fire suppression, HVAC, and electrical solutions across commercial and industrial markets. Broader portfolio than IES, but overlapping presence in electrical and life safety services.
Eaton: Global power management company manufacturing electrical components, switchgear, and power distribution products. Overlaps with IES Infrastructure Solutions on the equipment/product side rather than the installation/services side.

Emerging players

Limbach Holdings: Provider of mechanical, electrical, plumbing, and building technology solutions for commercial, institutional, and mission-critical customers. Smaller scale than IES but competes directly in MEP services with similar customer profiles.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

IES financial estimates

Financial estimate

Revenue estimate

Valuation estimate

IES leadership team

Management profile

Number of profiles

Profiles11 records

IES subsidiaries and ownership

Company hierarchy

Subsidiaries4 records

IES funding detail

Funding detail

Funding overview

Funding rounds1 record

Investors

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

IES M&A and investment

M&A and investment

M&A7 records

Investments

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

Frequently asked questions about IES

What does IES do?

Is IES a public or private company?

IES is a public company. It is classified as public and is currently operating.

When was IES founded?

IES was founded in 1997. It employs 5,001 to 10,000 people.

Where is IES based?

IES is headquartered in Houston, United States, in the North America region.

How does IES make money?

Four revenue lines are on record. Electrical Contracting Services are the primary driver. The others are communications Infrastructure Services, custom Power Products and industrial Apparatus Services.

Who are IES's main competitors?

Direct peers on record are MasTec, Quanta Services, MYR Group, EMCOR Group, Faith Technologies and Comfort Systems USA. Broad incumbents are ABB, API Group and Eaton. Limbach Holdings is listed as an emerging player.

Does IES have an API?

No public API is recorded for IES.

What industry is IES in?

IES's product category is Electrical and Communications Contracting Services. Its primary akta.pro industry code is IMAIABAI, Energy Services (Retrofits/Commissioning/Testing & Balancing), with a secondary code of EUADACAE, Protection Relays & Protection IEDs. Its NAICS code is 551112 and its SIC code is 3620.