New Enterprise Stone & Lime

What New Enterprise Stone & Lime does

New Enterprise Stone & Lime Co., Inc. (NESL) is a fifth-generation, family-owned construction materials supplier and heavy/highway contractor founded in 1924 and headquartered in New Enterprise, Pennsylvania. The company operates a vertically integrated quarry-to-pave model, controlling raw material extraction, materials production, and construction services across Pennsylvania, Western New York, and Delaware through 50+ locations including quarries, hot mix asphalt plants, ready-mixed concrete plants, and industrial minerals facilities. Its product portfolio spans aggregates (limestone, dolomite, sandstone, quartzite, sand, and gravel), state-certified hot mix asphalt, ready-mixed concrete, agricultural lime products, and specialty branded lines including Micro Mica industrial minerals, Mine White, Diamond-Tex infield mixes, Diamond-Gro soil blends, and Barn-Dri.

NESL's core customers are state Departments of Transportation (notably PennDOT Districts 3, 5, and 8), the Pennsylvania Turnpike Commission, commercial contractors, and residential customers across the Mid-Atlantic region. Major recent project wins include the $202.6M New Baltimore T-129 highway project (2022-2026) and the $155M SR83-079 Harrisburg corridor, alongside toll plaza demolition and pavement preservation contracts. Construction services include heavy highway construction, bridge and structural work, excavation, drainage, and paving for DOT, municipal, commercial, and residential clients.

The business operates on a quote-based, sales-led model with regional dispatch centers handling materials orders and dedicated project teams managing construction engagements. NESL has expanded consistently through acquisitions of regional quarries and contractors (Valley Quarries, Martin Limestone, Buffalo Crushed Stone, Berks Products, EJB Paving, Popple Construction, Hempt Brothers, Marstellar Oil & Concrete, and Casilio Concrete), funded entirely by operating cash flow under Detwiler family ownership. Fifth-generation leaders Paul Detwiler III and Jeff Detwiler assumed ownership in 2022, and the company celebrated its centennial in 2024.

Name

New Enterprise Stone & Lime

Legal name

New Enterprise Stone & Lime Co., Inc.

Website

https://nesl.com

Company type

Private

Founded year

1924

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

New Enterprise Stone & Lime is a fifth-generation, family-owned vertically integrated construction materials supplier and heavy/highway contractor serving Pennsylvania, Western New York, and Delaware state agencies, commercial contractors, and residential customers through 50+ quarry, asphalt, and concrete operations.

Ownership category

akta.pro rank

Product category

Construction Materials

NAICS

Other Concrete Product Manufacturing (327390), Lime Manufacturing (327410), Concrete Pipe, Brick, and Block Manufacturing (32733)

SIC

Concrete Products, Except Block & Brick (3272)

akta.pro primary industry

Crushed Stone Quarrying & Processing (IMAKAHAA)

akta.pro secondary industries

Aggregate Processing & Value-Added Products (Washing, Screening, Asphalt/Concrete Aggregates) (IMAKAHAH), Limestone Quarrying (Industrial & Construction Grade) (IMAKAHAC), Cementitious Binders & Additives (Fly Ash, Slag, Silica Fume, Lime) (IMADAAAH)

Keywords

• Construction aggregates
• Hot mix asphalt
• Ready-mixed concrete
• Heavy highway construction
• Construction materials

Headquarters

HQ city

New Enterprise

HQ country

United States

HQ region

North America

Offices15 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations

Revenue model

1. Construction Materials Sales: NESL generates primary revenue from selling construction materials including aggregates (crushed stone, sand, gravel), hot mix asphalt, ready-mixed concrete, and agricultural/industrial lime products through their network of quarries and plants across Pennsylvania and Western New York.
2. Heavy Highway Construction Services: Revenue from providing heavy highway construction, bridge construction, excavation, and paving services for public infrastructure projects including state DOT contracts, turnpike projects, and municipal work.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

New Enterprise Stone & Lime Co., Inc. (NESL) is a vertically integrated construction materials supplier and heavy/highway construction contractor. The company produces and sells aggregates (limestone, dolomite, sandstone, quartzite, gravel), sand and gravel, hot mix asphalt, ready-mixed concrete, agricultural lime, industrial minerals (Micro Mica, clay fillers, Mine White), and branded infield and soil blend products. It also delivers heavy highway construction, bridge construction, excavation, drainage, and paving services for state DOT, turnpike, municipal, commercial, and residential customers across Pennsylvania, Western New York, and Delaware.

Product overview

New Enterprise Stone & Lime Co., Inc. (NESL) is a fifth-generation, family-owned vertically integrated construction materials supplier and heavy/highway contractor founded in 1924. The company operates a quarry-to-pave model controlling raw materials, production, and construction. Its product portfolio centers on construction materials: Aggregate (crushed stone products including limestone, dolomite, sandstone, quartzite, and gravel), Sand and Gravel (manufactured and natural products for construction applications), Hot Mix Asphalt (state-certified asphalt solutions including HMA, WMA, Superpave, Porous Pavement), Ready-Mixed Concrete (certified concrete with additives and colored options), Agriculture/Aglime (lime-based soil products), Industrial Minerals (Micro Mica, Clay fillers, Limestone fillers, Mine White), and Infield Solutions (Diamond-Tex branded sports field products). The company also offers branded soil blends through Diamond-Gro. Construction services include HMA Paving and Heavy Highway Construction (bridge, excavation, drainage). The integrated business model combines materials production with construction services across Pennsylvania and Western New York.

Differentiator

Problem solved

Functional benefit

Brands

• Diamond-Tex: Infield mix products for baseball and softball fields, including Original, Premium, and Professional grades, plus Warning Track Mix and Bocce Court Mix.
• Diamond-Gro
• Micro Mica
• Mine White
• Barn-Dri

Products and services

• Aggregate High-quality construction aggregates including limestone, dolomite, sandstone, quartzite, and gravel produced throughout Pennsylvania and Western New York for highway, bridge, asphalt, and concrete applications.
• Sand and Gravel Manufactured and natural sand and gravel products including sandstone, quartzite sands, crushed gravel, and round igneous materials for highway construction, concrete and asphalt production, drainage, and residential projects.
• Hot Mix Asphalt (Blacktop) State-certified asphalt solutions including HMA, Warm Mix Asphalt (WMA), Superpave Mixes, Commercial Asphalt Mixes, Porous Pavement Systems, Asphalt Treated Permeable Base (ATPB), and Cold Mix for transportation, commercial, and residential paving.
• Ready-Mixed Concrete Certified, high-performance ready-mixed concrete including standard, high-spec, and performance-driven mixes with additives and colored concrete options for infrastructure, commercial, and residential projects.
• Agriculture (Aglime) High-quality lime-based products including Calcium Limestone, Magnesium Limestone, and Barn-Dri for agricultural operations to improve soil conditions, balance soil pH, and support crop productivity.
• Diamond-Tex Infield Solutions Consistent, high-performance infield mixes (Original, Premium, Professional grades), Warning Track Mix, Bocce Court Mix, and Athletic Field Line Marker for baseball, softball, and athletic facilities.
• Industrial Minerals High-performance mineral fillers including Micro Mica, Narvon Clay, Limestone Mineral Fillers, and Mine White for manufacturing, coatings, sealants, and specialty industrial applications.
• Diamond-Gro Soil Blends Reliable soil blends including Diamond-Gro Compost, Screened Topsoil, Custom Soil Blends, and 1-inch Minus for turf topdressing, root zone construction, and landscape applications.
• Hot Mix Asphalt Paving Services Full-service asphalt paving for DOT, municipal, commercial, residential, and heavy highway partners across Pennsylvania, including DOT and Municipal Paving, Commercial Paving, Residential Paving, and Subcontracting Services.
• Heavy Highway Construction Services Major infrastructure, excavation, and bridge construction services including Mass Earthwork & Site Development, Bridge Construction & Structural Work, Pipe, Drainage & Erosion Control, Traffic Control & Phased Construction, and Concrete Patching & Paving.

Quantifiable outcome

• 2.2 million cubic yards of Class 1 Excavation completed on New Baltimore project
• +2 more outcomes

Named customers3 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

Feature4 records

Partnerships

One partnership is on record.

• Pennsylvania Turnpike CommissioncoreStrategic or Co-development Partner · 1 May 2022NESL serves as prime contractor for major Pennsylvania Turnpike Commission infrastructure projects including the $202.6M New Baltimore T-129 highway widening project and toll plaza demolition projects along the Northeast Extension. These represent NESL's largest and most significant project engagements.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Vulcan Materials Company: The largest U.S. producer of construction aggregates (crushed stone, sand, gravel) with integrated asphalt and concrete operations. Highly comparable to NESL's vertically integrated quarry-to-pave model and heavy highway construction exposure, though at vastly larger national scale.
• Summit Materials: Vertically integrated construction materials company producing aggregates, cement, ready-mixed concrete, and asphalt with a growing footprint in the U.S. Comparable business model to NESL across aggregates and downstream concrete/asphalt products.
• Granite Construction Incorporated: Heavy civil contractor specializing in transportation infrastructure (highways, bridges, rail, airports) with vertically integrated materials supply. Directly comparable to NESL's heavy highway construction segment and reliance on state DOT / public infrastructure contracts.
• Carmeuse: Global lime and limestone products manufacturer with a strong North American footprint producing lime, limestone fillers, and downstream industrial mineral products. Directly comparable to NESL's agricultural lime and industrial minerals lines.
• US Lime & Minerals: Public U.S. lime producer with limestone mining operations and a focus on high-purity lime products. Closely comparable to NESL's lime/aglime agricultural and industrial minerals segment (Calcium Limestone, Magnesium Limestone, Mine White).
• Martin Marietta Materials: U.S. supplier of aggregates (crushed stone, sand, gravel) and heavy-side building materials including ready-mixed concrete and asphalt. Closely mirrors NESL's vertically integrated aggregates-plus-construction platform, with similar DOT-facing customer mix.

Broad incumbents

• Holcim US: U.S. subsidiary of one of the world's largest building materials groups, with aggregates, ready-mix concrete, and asphalt operations. A broad incumbent overlapping NESL's core aggregates and concrete categories, though at national/international scale.
• Oldcastle APG (CRH): CRH subsidiary supplying architectural and building products including aggregates, concrete masonry, and hardscapes across North America. A broad incumbent in the aggregates and concrete space that overlaps with NESL's downstream product offerings.
• Lehigh Hanson / Heidelberg Materials: Major North American producer of aggregates, ready-mixed concrete, asphalt, and cement, with deep Pennsylvania presence. Broader and more global than NESL but directly overlapping in aggregates and concrete product categories across shared Mid-Atlantic markets.
• Cemex USA: Large U.S. supplier of cement, ready-mixed concrete, aggregates, and asphalt. Broader portfolio than NESL, with significant Mid-Atlantic concrete and aggregates presence that competes for the same DOT and commercial customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/NewEnterpriseStoneLime
• LinkedInlinkedin.com/company/new-enterprise-stone-&-lime-co--inc-
• Xx.com/stoneandlimeco

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about New Enterprise Stone & Lime