IES
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
Where IES is headquartered
LocationHeadquarters
- 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 offeringCore 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 profileNamed customers4 records
Segments7 records
Ideal customer profiles5 records
IES technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
IES partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- Pinnacle InfotechcorePartnership 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. ArmyminorIES 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 assessmentDirect 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 social profiles
Digital presenceIES financial estimates
Financial estimateRevenue estimate
Valuation estimate
IES leadership team
Management profileNumber of profiles
Profiles11 records
IES subsidiaries and ownership
Company hierarchySubsidiaries4 records
IES funding detail
Funding detailFunding 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 investmentM&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?
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.
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.