SD Ireland Companies

What SD Ireland Companies does

S.D. Ireland Companies is a privately held, multi-generational family-owned vertically integrated construction conglomerate headquartered in Williston, Vermont, founded in 1974 by Stuart Ireland. The company operates across six core service lines: concrete construction, ready-mix concrete production (served by five computerized batching plants), NPCA-certified precast concrete manufacturing, site work and excavation (via the S.D. Ireland Brothers division with 150+ Caterpillar machines), quarry and portable crushing, and asphalt paving (VTrans pre-qualified and FAA-authorized). An affiliated real estate arm, S.D. Ireland Properties, manages residential and commercial properties. The company also operates the S.D. Ireland Cancer Research Fund, a 501(c)(3) charity that has raised over $12.5 million since 1999.

The business is supported by an extensive fleet of 54+ dump trucks, 36 mixer trucks, 200 pickup trucks, and 300+ pieces of heavy construction equipment, and a workforce of 400 skilled employees. Revenue is generated through project-based contracts (concrete construction, site work, paving) and per-unit sales (ready-mix concrete, precast products, aggregates), all executed through direct sales channels including website estimate forms, phone, and in-person contact. No retail or third-party distribution channels are used. The company self-performs virtually all tasks without subcontractor dependency, supported by in-house engineering (CAD/PE-stamped drawings) and a materials testing lab.

S.D. Ireland serves three primary customer segments: Government & Municipal agencies (VTrans, municipalities, airports, public institutions), Commercial & Industrial developers, and Residential homeowners and builders, all concentrated in Vermont and Northern New England. Notable projects include Burlington High School, the Patrick Leahy Burlington International Airport NexT renovation, Burlington's Great Streets Main Street Project, Winooski Parking Garage, and the VTrans I-89 Emergency Culvert Replacement, the latter of which earned the 2020 AGC Best Builder Award for Highway Renovation and Rehab. The company is led by CEO Scott Ireland (second generation) with active involvement from third-generation family members.

Name

SD Ireland Companies

Legal name

S.D. Ireland Concrete Construction Corporation

Website

https://sdireland.com

Company type

Private

Founded year

1974

Operating status

Operating

Headcount range

251–500 employees

Short description

S.D. Ireland Companies is a multi-generational, family-owned vertically integrated construction firm in Vermont offering concrete, excavation, paving, precast, and aggregate services to government, commercial, and residential customers across Northern New England.

Ownership category

akta.pro rank

Product category

Heavy Civil and Concrete Construction Services

NAICS

Cement and Concrete Product Manufacturing (3273), Other Concrete Product Manufacturing (327390), Concrete Pipe, Brick, and Block Manufacturing (32733), Commercial and Institutional Building Construction (236220), Site Preparation Contractors (23891), Poured Concrete Foundation and Structure Contractors (23811)

SIC

Concrete Products, Except Block & Brick (3272), General Bldg Contractors - Nonresidential Bldgs (1540), Heavy Construction Other Than Bldg Const - Contractors (1600), Operative Builders (1531)

akta.pro primary industry

Aggregate Processing & Value-Added Products (Washing, Screening, Asphalt/Concrete Aggregates) (IMAKAHAH)

Keywords

• Ready-mix concrete production
• Precast concrete manufacturing
• Commercial excavation services
• Asphalt paving services
• Quarry aggregates production

Headquarters

HQ city

Williston

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Concrete Construction Services: General concrete construction services including residential foundations, commercial foundations, concrete paving, curbs, sidewalks, exposed aggregate slabs, stamped and colored concrete, and repair services. Revenue is project-based, one-time per contract.
2. Ready-Mix Concrete Sales: Sale of ready-mix concrete from five state-of-the-art batching plants. Products include 2500-5000 psi concrete, Vermont Class AA/A/B/C mixes, and lightweight concrete. Portable batch plant available for large on-site projects to reduce transportation costs.
3. Precast Concrete Products: Sale of NPCA-certified precast products including septic tanks (1000-3000 gallons), pump stations, electric vaults, manholes, catch basins, and custom architectural precast. Revenue is per-unit product sales.
4. Site Work & Excavation: Full-service excavation and site development including land clearing, grading, utility installation, foundation preparation, slope stabilization, and underground utility excavation. Services provided by S.D. Ireland Brothers division with over 150 Caterpillar machines and 15 site crews.
5. Asphalt Paving Services: Asphalt paving services since 2005 including commercial parking lots, heavy highway resurfacing, municipal projects, VTrans state highway work, and FAA-authorized airport runway construction. Includes pavement reclamation and hot mix asphalt application.
6. Quarry & Aggregates: Quarry stone production for concrete components, road gravel, rip rap, and erosion control. Custom on-site crushing and screening services eliminate transportation costs and reduce environmental impact for large projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

S.D. Ireland Companies is a vertically integrated heavy civil and concrete construction provider offering concrete construction (foundations, slabs, paving, curbs, stamped and decorative work), ready-mix concrete production and delivery, NPCA-certified precast concrete products (septic tanks, pump stations, manholes, Recon Retaining Walls), commercial site work and excavation, asphalt paving, and quarry and portable crushing services. It serves government, commercial, industrial, and residential customers across Vermont and Northern New England through five batching plants, an extensive fleet, and direct project-based sales.

Product overview

S.D. Ireland Companies is a multi-divisional construction conglomerate offering integrated construction services across Vermont and Northern New England. The company operates as a unified construction platform consisting of core service divisions: Concrete Construction (including ready-mix and precast), Site Work & Excavation, Quarry & Portable Crushing, and Asphalt & Paving. The portfolio is complemented by S.D. Ireland Properties for real estate management and development. The company operates five state-of-the-art concrete batching facilities and maintains an extensive fleet of equipment, enabling self-performance of the full range of services from site preparation through finished paving and precast products.

Differentiator

Problem solved

Functional benefit

Brands

• S.D. Ireland Brothers: Site work and excavation division established in 1997, providing integrated site work and concrete solutions with over 150 Caterpillar heavy construction machines.
• S.D. Ireland Properties
• S.D. Ireland Cancer Research Fund
• Recon Retaining Walls

Products and services

• Concrete Construction Full-service concrete construction including residential foundations, commercial foundations, concrete paving, curbs, sidewalks, exposed aggregate slabs, stamped and colored concrete, and repair services for residential, commercial, and government customers.
• Ready-Mix Concrete Ready-mix concrete mixed at state-of-the-art computerized batching plants and delivered directly to construction sites. Offers 2500-5000 psi concrete, Vermont Class AA, A, B & C mixes, lightweight concrete, and specialized admixtures; portable batch plant available for large on-site projects.
• Precast Concrete Products NPCA-certified precast concrete manufacturing including septic tanks (1,000-3,000 gallons), pump stations, electric vaults, manholes, catch basins, and custom architectural precast products, plus the proprietary Recon Retaining Walls large-block retaining wall system produced under license in Vermont.
• Site Work & Excavation Full-service site work and commercial excavation including land clearing, grading, utility installation, foundation preparation, slope stabilization, and underground utility excavation, operated by the S.D. Ireland Brothers division with over 150 late-model Caterpillar heavy construction machines.
• Quarry & Portable Crushing Year-round aggregates production and on-site custom material crushing and screening services. Produces aggregates for concrete, road gravel, rip rap, and erosion control using track-mounted crushers and screen plants, supported by an in-house materials testing lab.
• Asphalt & Paving Asphalt paving services for residential, commercial, municipal, industrial, and FAA airport runway projects, including pavement reclamation and hot mix asphalt application. Pre-qualified contractor with Vermont Agency of Transportation (VTrans) and FAA-authorized for airport construction; supported by the Milton Asphalt Plant.
• S.D. Ireland Properties Real estate management and development company managing residential apartments for rent across Burlington, South Burlington, and Colchester, plus commercial properties and properties for sale.

Quantifiable outcome

• Over $12,522,000 raised for cancer research since 1999 through the S.D. Ireland Cancer Research Fund
• +3 more outcomes

Named customers9 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

Feature5 records

Partnerships

One partnership is on record.

• Recon Retaining WallscoreOEM/ Whitelabel/ Licensing PartnerS.D. Ireland is the proprietary producer of Recon Retaining Walls in Vermont. Recon's large-block retaining wall systems are known for strength, durability, and clean architectural design for gravity and reinforced retaining walls in residential, commercial, and municipal projects. S.D. Ireland provides local production, in-house engineering, and complete retaining wall solutions tailored to Vermont's terrain and standards.

Scale indicators7 records

Recent moves12 records

Expansion highlights5 records

Direct peers

• R.J. Grondin & Sons: Maine-based site work, excavation, paving, and utility contractor. Closely comparable family-owned heavy civil platform operating in Northern New England with a similar self-perform model.
• Peckham Industries: New York-based paving, construction materials, and road construction contractor. Comparable vertically integrated highway construction and materials platform serving the broader Northeast.
• Pike Industries: Vermont/New Hampshire-based paving, asphalt, and aggregates contractor (now part of CRH Americas Materials). Closest regional peer to S.D. Ireland's paving, ready-mix, and quarry operations across Northern New England.

Broad incumbents

• Vulcan Materials: Largest U.S. producer of construction aggregates (NYSE: VMC). Comparable in aggregates and concrete products but operates nationally; relevant as a benchmark for unit economics on the quarry side of S.D. Ireland.
• Sterling Infrastructure: Public infrastructure services firm (NASDAQ: STRL) with e-infrastructure, transportation, and building solutions. Comparable diversified heavy civil model at larger national scale.
• Granite Construction: Public heavy civil contractor (NYSE: GVA) doing highways, airports, and large infrastructure projects. Operates at much larger scale than S.D. Ireland but in directly overlapping end markets — VTrans-style state DOT work and airport runways.
• Summit Materials: Public aggregates, ready-mix, and paving platform (NYSE: SUM, now taken private). Overlaps S.D. Ireland in aggregates production and ready-mix concrete at national scale.
• Martin Marietta Materials: Public aggregates and ready-mixed concrete producer (NYSE: MLM). Direct overlap on the aggregates and concrete products side of S.D. Ireland's business.
• Holcim US (Lafarge): U.S. arm of global building materials giant, with ready-mix, aggregates, and cement operations. Sets competitive pricing in regional ready-mix markets like Vermont.

Regional players

• Callanan Industries: New York/New England producer of hot-mix asphalt and crushed stone (CRH-owned). Comparable vertically integrated aggregates-and-paving model serving an adjacent geography to S.D. Ireland.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/sdirelandvt
• LinkedInlinkedin.com/company/sd-ireland
• Instagraminstagram.com/sdirelandvt

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries4 records

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 SD Ireland Companies