Trap Rock Industries

What Trap Rock Industries does

Trap Rock Industries, LLC is a privately held, family-owned (Stavola Family since 1966) New Jersey producer of hot mix asphalt (HMA) and crushed stone aggregates, formally established in 1968 and operating from Kingston/Princeton, NJ. The company runs three trap rock (diabase) quarries — Kingston, Pennington, and Lambertville — and at least six asphalt plants across central and southern New Jersey (Edison, South River, Florence, Columbus, Mt. Holly, with Kingston and Pennington opening seasonally and Edison/Florence running year-round). Its core technology is vertically integrated aggregate production: company-owned trap rock reserves are crushed into graded products (Large Core 6"–12" down to Screenings #10, DGA, RCA-DGA, Rip Rap, Jetty Rock, Utility Sand, Washed Septic Stone) and used to manufacture NJDOT-approved hot mix asphalt under rigorous quality control. Supporting capabilities include a Recycled Concrete Aggregate program for demolition-derived road base and backfill, and aggregate barge loading at Port Keasbey for bulk waterborne delivery.

The company sells primarily to commercial/residential paving contractors and New Jersey state and municipal agencies, with additional product line extensions into agriculture, landscaping, and environmental remediation (Dia-King diabase powder). Distribution is direct B2B via enterprise field sales — customers request quotes through the website or contact plants directly for pickup or job-site delivery, with pricing determined per project based on material type, quantity, and location. No public pricing tiers exist; all revenue is generated on a project-by-project (one-time) basis across four streams: HMA sales, crushed stone/aggregates, recycled concrete aggregate, and the newer Dia-King specialty product. Marketing is modest, relying on website content, quote-request forms, LinkedIn presence, downloadable SDS/spec documents, and seasonal plant-opening communications.

The company holds no external funding, has no disclosed revenue or ARR, and operates with a stable 101–250 person headcount under Stavola Family ownership. Competitive positioning rests on proprietary diabase reserves, NJDOT-approved quality status, broad multi-plant distribution across New Jersey, and 55+ years of brand reputation in the regional construction materials market.

Name

Trap Rock Industries

Legal name

Trap Rock Industries

Website

http://www.traprock.com/

Company type

Private

Founded year

1060

Operating status

Operating

Headcount range

101–250 employees

Short description

Trap Rock Industries is a privately held, Stavola-family-owned New Jersey producer of NJDOT-approved hot mix asphalt and crushed stone aggregates, operating three quarries and six-plus asphalt plants to serve contractors and government agencies across the Northeast.

Ownership category

akta.pro rank

Product category

Construction Aggregates & Asphalt Materials

NAICS

Nonmetallic Mineral Mining and Quarrying (2123), Stone Mining and Quarrying (21231)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)

akta.pro primary industry

Crushed Stone Quarrying & Processing (IMAKAHAA)

akta.pro secondary industries

Construction Aggregates Mining & Processing (Sand, Gravel, Crushed Stone) (IMADAAAI), Recycled Aggregates & C&D Materials Processing (RCA, RAP, Glass Aggregate) (IMAKAHAI)

Keywords

• Construction aggregates
• Hot mix asphalt
• Crushed stone
• Recycled concrete aggregate
• Quarry operations

Headquarters

HQ city

Kingston

HQ country

Canada

HQ region

North America

Offices10 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hot Mix Asphalt Sales: The company produces and sells NJDOT-approved hot mix asphalt from its multiple plant locations across New Jersey. Revenue is generated through direct material sales to contractors and government agencies on a per-project basis.
2. Construction Aggregates Sales: Sale of crushed stone products including various sizes from stone screening to riprap, used in road construction, railroad ballast, asphalt production, and concrete applications. Products include trap rock, DGA, RCA-DGA, rip rap, screenings, and utility sand.
3. Recycled Concrete Aggregate Sales: Processing and sale of recycled concrete aggregate from demolition projects for use as road base, foundation backfill, and new concrete production, providing an environmentally responsible and cost-effective alternative to virgin materials.
4. Specialty Products (Dia-King): Sale of Dia-King, a premium diabase trap rock powder for soil enhancement in agriculture, landscaping, and environmental remediation applications.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Trap Rock Industries produces NJDOT-approved hot mix asphalt and crushed stone aggregates from company-owned trap rock (diabase) quarries in central New Jersey. The company supplies construction contractors and government agencies with a full range of aggregate sizes, hot mix asphalt mixes, and recycled concrete aggregate for road, parking lot, railroad, and foundation applications. It also offers specialty products such as Dia-King diabase powder for agricultural and environmental remediation use.

Product overview

Trap Rock Industries is a New Jersey-based construction materials supplier offering a unified portfolio of hot mix asphalt, crushed stone aggregates, and recycled concrete aggregate products. The core offering consists of Hot Mix Asphalt (HMA) manufactured from company-quarried trap rock with NJDOT-approved quality standards, complemented by an extensive Crushed Stone product line featuring multiple gradations (from Large Core 6"-12" down to Screenings #10, plus specialty products like Rip Rap, Jetty Rock, Utility Sand, and Washed Septic Stone). The company also provides Recycled Concrete Aggregate for sustainable construction applications. Supporting services include aggregate barge loading at Port Keasbey, enabling cost-effective bulk transportation. A recent addition is Dia-King, a specialty diabase trap rock powder for agricultural and landscaping use. All products serve the Northeast construction materials market, primarily serving contractors, municipalities, and government agencies.

Differentiator

Problem solved

Functional benefit

Brands

• Dia-King: Premium diabase trap rock powder crafted to enhance mineral content of various soils. Used in agriculture, landscaping, and environmental remediation.

Products and services

• Hot Mix Asphalt (HMA) NJDOT-approved hot mix asphalt produced from company-quarried trap rock (diabase), engineered for exceptional strength and durability in road construction, highway paving, parking lots, and commercial paving projects. Sold to contractors and government agencies on a quote basis.
• Crushed Stone High-quality crushed stone available in multiple gradations (Large Core 6"–12", Small Core 3"–9", 1 1/2", 3/4", 3/8", 1/4", Screenings #10, DGA, RCA-DGA, Rip Rap, Jetty Rock, Utility Sand, Washed Septic Stone, Finish Stone) used in road construction, railroad ballast, asphalt production, and concrete applications.
• Recycled Concrete Aggregate Recycled concrete aggregate processed from demolition projects, carefully crushed, sorted, and tested to meet quality and safety standards. Sold as a sustainable alternative to virgin aggregates for road base, foundation backfill, and new concrete production.
• Dia-King Premium diabase trap rock powder formulated to enhance mineral content of various soils for agriculture (improving soil health and crop yields), landscaping (promoting lush growth and healthier root systems), and environmental remediation (neutralizing soil acidity and improving drainage).
• Aggregate Barge Loading at Port Keasbey Barge loading service at Port Keasbey for bulk aggregate transportation, providing a cost-effective and environmentally advantageous alternative to trucking for large-scale construction projects in the Northeast.

Quantifiable outcome

• Consistent aggregate sizes from stone screening to riprap through demanding quality control systems
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature4 records

Scale indicators6 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Tilcon New York: Subsidiary of CRH plc operating crushed stone quarries and asphalt plants across New York, New Jersey, and Connecticut. Tilcon is the closest direct competitor to Trap Rock in the NJ/NY metro aggregates market, selling NJDOT-equivalent HMA and crushed stone to contractors and government agencies.
• Garden State Asphalt: New Jersey-based asphalt and paving services company operating plant capacity in-state. Competes with Trap Rock for the same NJDOT paving contracts and contractor HMA orders.

Broad incumbents

• Vulcan Materials Company: Largest US producer of construction aggregates and a major producer of asphalt mix. Vulcan competes with Trap Rock for NJ-area bids and sets national benchmarks on aggregates pricing, unit margins, and capital intensity that frame Trap Rock's strategic positioning.
• Martin Marietta Materials: Top-tier US aggregates supplier with extensive crushed stone, sand, and gravel operations. While its NJ footprint is limited, Martin Marietta's national scale and acquisitive strategy make it a key comparable for valuation and capital-allocation benchmarking.
• Summit Materials: Vertically integrated construction materials platform spanning aggregates, cement, and ready-mix concrete across the US. Its aggregates-heavy mix and growing Northeast exposure position it as a relevant broad incumbent comparable to Trap Rock.
• CRH plc (Oldcastle Materials): Global building materials giant with the Oldcastle Materials division operating extensive aggregates and asphalt operations in the Northeast. CRH owns Tilcon and is the deep-pocketed incumbent whose NJ strategy most directly pressures Trap Rock.

Emerging players

• Granite Construction: Vertically integrated heavy civil contractor and materials producer active in the Northeast. While more project-focused, Granite owns quarry and HMA assets that overlap with Trap Rock's NJ operations and customer base.

Others

• Stavola Companies: Parent family enterprise of Trap Rock Industries, also active in related construction services and materials. Provides direct comparability in NJ construction-materials economics, governance, and capital structure that frame Trap Rock's operating model.

Regional players

• Rohrer's Quarry: Pennsylvania-based aggregate and concrete producer serving the Mid-Atlantic market. Comparable as a family-to-mid-sized regional aggregates competitor operating in adjacent geographies to Trap Rock with similar capital-intensive quarry economics.
• DePaul Group: Diversified Northeast construction and aggregates operator with quarries and asphalt plants in NJ and PA. Directly comparable in regional footprint, customer mix, and capital-intensive materials model.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/trap-rock

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Trap Rock Industries