SEI Group
SEI Group is a private design-build mechanical contractor and building-products distributor headquartered in the Atlanta metro. Founded in 2008, the company installs insulation, air-sealing systems, roofing, and exterior building products for residential and commercial builders, contractors, and homeowners across multiple US states.
- Company typePrivate
- Founded2008
- HeadquartersAtlanta, United States
- Headcount51–100
- GTM typeB2B
- OfferingServices
What SEI Group does
SEI Group, LLC is a privately held, design-build mechanical contractor and building-products distributor founded in 2008 by Eric Cunningham and Matt Hopkins in Atlanta, Georgia during the Great Recession. The firm distributes and installs a diversified portfolio of construction materials—including insulation, fireplaces, garage doors, mailboxes, door hardware, gutters, standing-seam roofing, house wrap, and USPS-certified cluster box units—for residential builders, commercial contractors, and homeowners. Revenue is generated by pairing hardware sales with professional installation services performed by licensed and in-house crews; pricing is quote-based and contracted on multi-year terms with builder/contractor accounts.
SEI Group firmographics
Firmographics- Name
- SEI Group
- Legal name
- SEI Group, LLC
- Website
- http://www.seigroupga.com/
- Company type
- Private
- Founded year
- 2008
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- SEI Group is a private design-build mechanical contractor and building-products distributor headquartered in the Atlanta metro. Founded in 2008, the company installs insulation, air-sealing systems, roofing, and exterior building products for residential and commercial builders, contractors, and homeowners across multiple US states.
- Ownership category
- akta.pro rank
Where SEI Group is headquartered
LocationHeadquarters
- HQ city
- Atlanta
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
SEI Group business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Marketing or Sales, Technology or R&D, Others
Revenue model
- Building Products Distribution and Installation: SEI Group generates revenue through the sale and professional installation of building products including insulation, fireplaces, garage doors, mailboxes, door hardware, gutters, roofing, and related construction materials. Revenue comes from both product sales and installation services to residential and commercial construction customers.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom installation services for builders and contractors |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels2 records
SEI Group product offering
Product offeringCore offering
SEI Group is a building products distributor and professional installer serving residential and commercial construction markets. The company supplies and installs insulation (fiberglass, spray foam, cellulose), the AEROBARRIER® automated air sealing system, exterior products (garage doors, seamless gutters, standing seam metal roofing, house wrap), and specialty trade products (fireplaces, door hardware, mailboxes, cluster box units, street signs and plaques). It maintains over $3.7M in product inventory and a mobile fleet to deliver and install products on scheduled days for builders, contractors, and homeowners.
Product overview
SEI Group is a building products contractor and distributor offering a comprehensive portfolio of installation and supply services for residential and commercial construction. The core offering centers on insulation products (fiberglass, spray foam, cellulose) and the proprietary AEROBARRIER® automated air sealing system, complemented by exterior products including garage doors, gutters, standing seam metal roofing, and house wrap. The company also provides specialized trade products including door hardware (from Schlage, Kwikset, Baldwin, Delaney, Emtek), fireplaces (wood, gas, electric), mailboxes and cluster box units (CBU), and street signs and plaques. All products are installed by company employees with delivery and installation services available throughout the Atlanta metropolitan area.
Differentiator
Problem solved
Functional benefit
Products and services
- Insulation Installation Professional installation of fiberglass, spray foam, and cellulose insulation for residential and commercial buildings, with over $3.7M of product in stock and mobile-fleet delivery to job sites. Serves builders, contractors, and homeowners across the Atlanta metro and other SEI branch regions.
- AEROBARRIER® Automated Air Sealing Computer-controlled building envelope air sealing service that applies pressurized atomized sealant to seal gaps, monitors sealing progress in 60-second intervals, and guarantees achievement of target ACH50 with a Certificate of Completion. Targeted at builders and contractors needing measurable, code-compliant air sealing for residential and commercial projects.
- Garage Door Installation Professional supply and installation of residential garage doors and openers from Wayne Dalton, CHI, Amarr, Lift Master, and Genie brands, with delivery and installation via SEI's mobile fleet.
- Fireplaces Distribution and installation of traditional wood-burning, electric, and gas fireplaces including gas logs, glass doors, mantels, and surrounds for residential builders and homeowners.
- Mailbox Installation Residential mailbox supply and installation of C-Series and Cast-Series mailboxes with various finial, base, and plaque options from Lawler, Imperial Mailbox Systems, and Gayentine.
- Door Hardware Installation Supply and installation of door hardware including knobs, levers, deadbolts, handlesets, and electronic keyless entry locks from Schlage, Kwikset, Baldwin, Delaney, and Emtek for residential construction projects.
- Cluster Box Units (CBU) USPS-certified cluster box unit and vertical mailbox installation. Authorized Florence dealer providing cluster box systems per USPS specifications for residential developments and commercial properties.
- Street Signs & Plaques Custom street signs and plaques supply and installation, including wall plaques, yard plaques, medallions, and logos from Imperial Mailbox Systems and Whitehall Products for residential communities and developers.
- Standing Seam Metal Roofing Metal roofing installation featuring 26-gauge coil with Kynar finish and 40-year warranty, including architectural metal accents such as bay tops, water tables, entry porches, dormers, and covered porches for residential and commercial buildings.
- Gutter Installation Seamless gutter installation using aluminum coil with baked-on paint finishes, professionally installed by licensed and insured employees for residential and commercial buildings.
- House Wrap Building wrap products and installation from DuPont (Tyvek), Kingspan, Barricade, and Typar for moisture management and weather barriers in residential construction.
Quantifiable outcome
- $3.7M of product inventory in stock ensures product availability for builders
- +1 more outcomes
Companies that use SEI Group
Customer profileNamed customers2 records
Segments2 records
Ideal customer profiles2 records
SEI Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
SEI Group partnerships and signals
Strategic signalScale indicators5 records
Recent moves4 records
Expansion highlights4 records
SEI Group competitors and assessment
Company assessmentDirect peers
- Installed Building Products: Public U.S. installer of insulation and complementary building products (gutters, shelving, garage doors) serving residential and commercial builders across 50 states. Closest comparable in product mix, customer base, and branch-led distribution model.
- TopBuild: Public installer and distributor of insulation and building envelope products, formed from the Masco/Rockwool combination. Directly comparable in insulation-led distribution/installation model and contractor channel focus.
- TruTeam: Private national insulation and weatherization contractor serving residential and commercial builders; overlaps heavily with SEI's core insulation installation offering and branch expansion model.
- Service Partners: Private specialty distributor and installer of insulation, gutters, fireplaces, and other building products for residential and commercial contractors. Highly comparable multi-product, multi-branch business model.
Broad incumbents
- APi Group: Public safety, specialty, and industrial services conglomerate with building-related services exposure. Comparable as a diversified platform acquirer of regional contractors, though not a direct insulation competitor.
- Comfort Systems USA: Public mechanical and building services contractor with similar branch-based service model and roll-up DNA, though focused on HVAC/mechanical rather than insulation/envelope products.
- EMCOR Group: Large public mechanical/electrical contractor with national branch footprint serving commercial builders. Comparable in contractor-led building services distribution model, though broader in scope.
Others
- AeroBarrier (manufacturer/license program): Provider of the AEROBARRIER air-sealing technology that SEI uses and markets. Relevant as a technology supplier and adjacent channel partner rather than a direct competitor.
- Orion Energy Partners portfolio companies: Infrastructure-focused PE investor active in building products and energy efficiency services. Relevant as a representative potential capital partner / peer sponsor given SEI's energy-efficiency exposure.
Emerging players
- Specialty Insulation Group: Regional specialty insulation manufacturer/distributor. Comparable as a building products supplier/distributor serving contractors, though not a direct installation competitor in SEI's footprint.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
SEI Group social profiles
Digital presenceSEI Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
SEI Group leadership team
Management profileNumber of profiles
Profiles4 records
SEI Group subsidiaries and ownership
Company hierarchySubsidiaries6 records
SEI Group funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SEI Group M&A and investment
M&A and investmentM&A11 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SEI Group
What does SEI Group do?
SEI Group is a building products distributor and professional installer serving residential and commercial construction markets. The company supplies and installs insulation (fiberglass, spray foam, cellulose), the AEROBARRIER® automated air sealing system, exterior products (garage doors, seamless gutters, standing seam metal roofing, house wrap), and specialty trade products (fireplaces, door hardware, mailboxes, cluster box units, street signs and plaques). It maintains over $3.7M in product inventory and a mobile fleet to deliver and install products on scheduled days for builders, contractors, and homeowners.
Is SEI Group a public or private company?
SEI Group is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was SEI Group founded?
SEI Group was founded in 2008. It employs 51 to 100 people.
Where is SEI Group based?
SEI Group is headquartered in Atlanta, United States, in the North America region.
How does SEI Group make money?
One revenue line is on record: building Products Distribution and Installation.
Who are SEI Group's main competitors?
Direct peers on record are Installed Building Products, TopBuild, TruTeam and Service Partners. Broad incumbents are APi Group, Comfort Systems USA and EMCOR Group. Others are AeroBarrier (manufacturer/license program) and Orion Energy Partners portfolio companies. Specialty Insulation Group is listed as an emerging player.
Does SEI Group have an API?
No public API is recorded for SEI Group.