Energy Panel Structures
Energy Panel Structures (EPS) is an employee-owned U.S. manufacturer of custom engineered building packages, producing Structural Insulated Panels and complete framing systems for residential, commercial, cold storage, livestock, shop, and multi-family projects, sold exclusively through a 300+ independent dealer network across most of the United States.
- Company typePrivate
- Founded1985
- HeadquartersGraettinger, United States
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Energy Panel Structures does
Energy Panel Structures (EPS) is an employee-owned U.S. manufacturer of custom engineered building packages, founded in 1985 and headquartered in Graettinger, Iowa, with a second production facility in Perryville, Missouri. The company's core technology centers on Structural Insulated Panels (SIPs) — engineered panels consisting of expanded polystyrene (EPS) foam cores laminated between oriented strand board (OSB) facings, available in 3.5-inch and 5.5-inch thicknesses. Independent hot-box testing by Oak Ridge National Laboratory has validated SIP wall whole-wall R-values of R-13.93 to R-14.09, meaningfully outperforming conventional 2x4 wood frame construction. Beyond SIPs, EPS offers Post Frame and Ladder Frame construction alternatives, and the portfolio covers six end markets: Residential (single/multi-family homes, cabins, shouses), Commercial (retail, offices, churches, schools, hospitality), Cold Storage, Livestock, Shop/Storage, and Multi-Family/Components.
EPS does not sell direct to end customers. Instead, it distributes exclusively through a network of over 300 independent authorized builders/dealers across most of the United States, supplemented by District Sales Managers who route prospects to local dealers. Each project ships as a complete engineered package including custom drawings, blueprints, material manifests, fasteners, and accessories such as PLYCO doors. Pricing is custom-quoted by project specification and is not publicly disclosed. The company participates in over 30 national and regional trade shows annually and maintains ENERGY STAR and Green Build certifications across its dealer network. In 2025 it launched EQuote Connect, a 3D building design tool enabling customers and dealers to configure buildings online — a step toward digital self-service within an otherwise dealer-led go-to-market motion.
The company is privately held under an Employee Stock Ownership Plan (ESOP), operates without external institutional or private equity ownership, and discloses no revenue or funding figures. Customer outcomes cited in testimonials include heating costs under $1,000 per year and structural longevity, both of which the company uses to substantiate its energy-efficiency and durability claims.
Energy Panel Structures firmographics
Firmographics- Name
- Energy Panel Structures
- Legal name
- Energy Panel Structures Inc.
- Website
- https://epsbuildings.com
- Company type
- Private
- Founded year
- 1985
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Energy Panel Structures (EPS) is an employee-owned U.S. manufacturer of custom engineered building packages, producing Structural Insulated Panels and complete framing systems for residential, commercial, cold storage, livestock, shop, and multi-family projects, sold exclusively through a 300+ independent dealer network across most of the United States.
- Ownership category
- akta.pro rank
Energy Panel Structures industry classification
Industry- Product category
- Prefabricated Engineered Buildings
- NAICS
- Veneer, Plywood, and Engineered Wood Product Manufacturing (3212)
- SIC
- Prefabricated Metal Buildings & Components (3448)
- akta.pro primary industry
- Structural Insulated Panels (SIP) & Foam-Core Composite Panel Manufacturing (IMANAIAK)
Keywords
Where Energy Panel Structures is headquartered
LocationHeadquarters
- HQ city
- Graettinger
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Energy Panel Structures business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure
Revenue model
- Building Package Sales: EPS manufactures and sells custom engineered building packages including structural components, drawings, and complete material packages. Buildings are sold through independent authorized builder/dealers.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Multi-year contract | Custom building packages - pricing varies by project specifications |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Energy Panel Structures product offering
Product offeringCore offering
Energy Panel Structures manufactures custom engineered building packages using Structural Insulated Panels (SIPs) with EPS foam cores and OSB facings, along with Post Frame and Ladder Frame construction systems. The company sells complete building packages including drawings, blueprints, and all fasteners through a network of over 300 independent authorized builders/dealers across most of the United States, serving residential, commercial, cold storage, livestock, and shop/storage segments.
Product overview
Energy Panel Structures (EPS) manufactures engineered building packages as a single unified product portfolio, with Structural Insulated Panels (SIPs) serving as the core technology. The SIP system—featuring EPS foam cores with OSB facings in 3.5-inch and 5.5-inch thicknesses—underpins most offerings. Alternative construction methods include Post Frame and Ladder Frame systems for customers preferring conventional building approaches. The product line spans Residential (single-family, multi-family, cabins, shouses), Commercial buildings, Cold Storage facilities, Livestock structures, and Shop/Storage buildings. A companion dealer tool called EQuote Connect provides 3D drawing capabilities for the independent builder/dealer network.
Differentiator
Problem solved
Functional benefit
Products and services
- Structural Insulated Panels (SIPs) Engineered building panels consisting of EPS foam core with OSB facings, used as the primary wall and roof construction system. Available in 3.5-inch and 5.5-inch foam core thicknesses with R-values tested by Oak Ridge National Laboratory.
- Post Frame Buildings
Quantifiable outcome
- SIP wall outperforms 2x4 wood frame walls by more than R-4 in thermal resistance
- +3 more outcomes
Companies that use Energy Panel Structures
Customer profileNamed customers8 records
Segments6 records
Ideal customer profiles2 records
Energy Panel Structures technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Energy Panel Structures partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered moderate and core.
- ENERGY STAR PartnersmoderateEPS works with builders who are ENERGY STAR Partners to provide products and materials that qualify projects to meet ENERGY STAR standards. These partnerships help differentiate EPS builders from competitors.
- Green Build Certified BuildersmoderateEPS has a large number of certified Green Build builders who receive ongoing support and training to help differentiate themselves in the market.
- Oak Ridge National LaboratorycoreORNL conducted independent thermal performance testing and analysis of EPS SIP wall systems, providing third-party validation of thermal efficiency claims. Testing included guarded hot-box tests and finite difference computer modeling.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
Energy Panel Structures competitors and assessment
Company assessmentDirect peers
- Murus: Murus produces structural insulated panels (EPS and PIR core) used in walls, roofs, and floors for residential and light commercial buildings. It is a direct SIP competitor to EPS with a comparable engineered building package approach.
- Enercept: Enercept is a U.S. manufacturer of structural insulated panels (SIPs) for residential, commercial, and agricultural construction. It is a direct competitor to EPS, selling the same foam-core, OSB-faced SIP technology through a similar custom package model.
- Premier Building Systems: Premier Building Systems manufactures structural insulated panels and offers pre-engineered building packages through a dealer network. It is a direct competitor to EPS in the SIP-based residential, commercial, and agricultural building market.
- Thermal Building Solutions (Thermocore Panels): Thermocore is a SIP manufacturer producing polyurethane and EPS foam-core panels for energy-efficient buildings. It competes with EPS in custom-engineered SIP packages for residential, commercial, and cold storage projects.
- Cleary Buildings: Cleary manufactures post-frame (pole) buildings for agricultural, commercial, and suburban customers across the Midwest, with a similar dealer/builder-distribution model. It is a direct competitor to EPS's Post Frame and livestock/agricultural product lines.
- Lester Buildings: Lester designs and manufactures post-frame (pole) buildings for agricultural, commercial, equestrian, and residential markets through a dealer network. It is a direct competitor to EPS in post-frame construction, particularly in livestock and equestrian.
- Wick Buildings: Wick designs and manufactures post-frame buildings for agricultural, commercial, and residential use through a dealer network. It competes directly with EPS's Post Frame and agricultural product segments in the Midwest.
- Mueller Inc: Mueller manufactures metal roofing, steel buildings, and post-frame structures distributed through builder/dealer networks across the South and Southwest. It is a regional competitor to EPS in the post-frame and engineered building categories.
Broad incumbents
- Morton Buildings: Morton is the largest U.S. post-frame and pole-barn builder, serving agricultural, commercial, and residential customers. While EPS competes directly through its Post Frame product line, Morton's scale, brand, and broader construction services make it a broad incumbent in the same space.
- NCI Building Systems (Cornerstone Building Brands): Cornerstone Building Brands (parent of NCI) is one of the largest U.S. producers of pre-engineered metal buildings and insulated metal panels serving commercial, industrial, and residential markets. It is a broad incumbent in the engineered building envelope space where EPS operates.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
Energy Panel Structures social profiles
Digital presenceEnergy Panel Structures compliance and trust
Trust signalCompliance2 records
Energy Panel Structures financial estimates
Financial estimateRevenue estimate
Valuation estimate
Energy Panel Structures leadership team
Management profileNumber of profiles
Energy Panel Structures funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Energy Panel Structures M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Energy Panel Structures
What does Energy Panel Structures do?
Energy Panel Structures manufactures custom engineered building packages using Structural Insulated Panels (SIPs) with EPS foam cores and OSB facings, along with Post Frame and Ladder Frame construction systems. The company sells complete building packages including drawings, blueprints, and all fasteners through a network of over 300 independent authorized builders/dealers across most of the United States, serving residential, commercial, cold storage, livestock, and shop/storage segments.
Is Energy Panel Structures a public or private company?
Energy Panel Structures is a private company. It is classified as management employee owned and is currently operating.
When was Energy Panel Structures founded?
Energy Panel Structures was founded in 1985. It employs 101 to 250 people.
Where is Energy Panel Structures based?
Energy Panel Structures is headquartered in Graettinger, United States, in the North America region.
How does Energy Panel Structures make money?
One revenue line is on record: building Package Sales.
Who are Energy Panel Structures's main competitors?
Direct peers on record are Murus, Enercept, Premier Building Systems, Thermal Building Solutions (Thermocore Panels), Cleary Buildings, Lester Buildings, Wick Buildings and Mueller Inc. Broad incumbents are Morton Buildings and NCI Building Systems (Cornerstone Building Brands).
Does Energy Panel Structures have an API?
No public API is recorded for Energy Panel Structures.
What industry is Energy Panel Structures in?
Energy Panel Structures's product category is Prefabricated Engineered Buildings. Its primary akta.pro industry code is IMANAIAK, Structural Insulated Panels (SIP) & Foam-Core Composite Panel Manufacturing. Its NAICS code is 3212 and its SIC code is 3448.