What StonePly does

StonePly Co. is a privately held US-based manufacturer of lightweight natural stone panels, founded in 1982. The company's core product is the StonePly Honeycomb panel system, which laminates a thin layer of natural stone (granite, marble, limestone, travertine, and other varieties) to an aluminum honeycomb substrate using aviation-grade epoxies adapted from aerospace applications. The resulting panels weigh approximately 80% less than solid stone while delivering 60 times the impact strength, and have been tested at wind speeds exceeding 300 mph with documented hurricane, blast, and seismic performance.

The company's business model is custom B2B project fabrication. Revenue is generated through one-time project-based orders for curtain wall cladding, exterior facades, interior panels, elevator interiors, flooring, and specialty applications such as water walls and column covers, supplemented by consulting and engineering design services. Pricing is quote-based and varies by stone selection, panel dimensions, finish, and project scope; no public pricing is available. Go-to-market targets architects and general contractors during the design and specification phase of commercial construction, supported by downloadable CAD details, specifications, lab testing results, LEED consulting, and direct sales engagement.

StonePly serves customers across hospitality, government, retail, healthcare, education, and institutional sectors. Named marquee projects include the Atlantis Resort in the Bahamas (over 144,000 sq ft), NASA's Johnson Space Center Human Health and Performance Laboratory, Tommy Hilfiger's Fifth Avenue flagship, Hyatt Regency River Walk, Hilton Embassy Suites, the Nuclear Regulatory Commission, and Chipola College. The company operates as an independent, privately held entity with no disclosed parent company, institutional investors, or recent ownership changes.

Name

StonePly

Legal name

StonePly Co.

Website

https://stoneply.com

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

1–10 employees

Short description

StonePly Co. manufactures lightweight natural stone panels using aluminum honeycomb composite technology for commercial cladding and interior applications. Founded in 1982, the privately held firm serves architects and general contractors across hospitality, government, retail, healthcare, and institutional sectors.

Ownership category

akta.pro rank

Product category

Architectural Stone Cladding

NAICS

Cut Stone and Stone Product Manufacturing (327991)

SIC

Cut Stone & Stone Products (3281)

akta.pro primary industry

Manufactured/Engineered Stone & Agglomerates (Quartz, Terrazzo, Sintered Stone) (IMAKAHAG)

akta.pro secondary industries

Other Dimension Stone (Slate, Sandstone, Quartzite, Travertine) Quarrying & Fabrication (IMAKAHAF), Aggregate Processing & Value-Added Products (Washing, Screening, Asphalt/Concrete Aggregates) (IMAKAHAH)

Keywords

• Natural stone panels
• Honeycomb stone cladding
• Architectural cladding materials
• Lightweight stone veneer
• Composite stone panels

Headquarters

HQ city

Greenville

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Stone Panel Fabrication: StonePly fabricates custom natural stone panels to project specifications, including panel sizing, stone selection, and finish options. Revenue is generated through project-based orders for commercial cladding, renovation, and specialty applications.
2. Consulting Services: StonePly offers consulting services from planning to project management, providing engineering and design assistance for cladding specifications.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

StonePly fabricates and sells lightweight natural stone panels by laminating natural stone (granite, marble, limestone, travertine) to an aluminum honeycomb substrate using aviation-grade epoxies. The panels weigh approximately 80% less than solid stone while delivering 60 times the impact strength, and are used for commercial architectural cladding, curtain walls, and interior applications. The company also provides complementary consulting, engineering design assistance, and lab testing services to support project specification and installation.

Product overview

StonePly is a world-leading manufacturer of lightweight natural stone panels. The core product is the StonePly Honeycomb panel system, which consists of natural stone (granite, marble, limestone, travertine, or other natural stones) laminated to an aluminum honeycomb substrate using aviation-grade epoxies. The company offers three main backing options: aluminum honeycomb, aluminum composite, and translucent backings. StonePly panels weigh 80% less than solid stone while providing 60 times the impact strength and have been tested at wind speeds exceeding 300 mph. The product portfolio includes various installation systems (Z-clip, plate and screw, adhesive attachment), joint systems (sealant joint and rain screen), and texture/finish options. The company provides stone selection from quarries worldwide, engineering consultation, LEED consulting services (contributing up to 27 points), and comprehensive lab testing for performance verification. StonePly serves applications including curtain wall cladding, elevator interiors, flooring, retail store fronts, and water features.

Differentiator

Problem solved

Functional benefit

Brands

• StonePly Honeycomb®: A fabricated stone panel wall system utilizing a composite panel made by laminating a natural stone layer to an aluminum honeycomb substrate with aviation epoxies.

Products and services

• StonePly Honeycomb Panels Fabricated stone wall system utilizing a composite panel made by laminating a natural stone layer (granite, marble, limestone, travertine) to an aluminum honeycomb substrate with aviation epoxies. Panels weigh approximately 80% less than solid stone while providing 60 times the impact strength, and are used by architects and contractors for commercial architectural cladding and interior applications.
• Translucent Stone Panels Stone panels with translucent backings that allow light transmission through the stone, designed for specialized architectural applications where backlit stone surfaces are required.
• Consulting Services Consulting services from planning through project management, providing engineering and design assistance for cladding specifications. Includes expertise on LEED certification, with StonePly capable of contributing up to 27 points toward LEED certification across multiple categories.
• Lab Testing Services Extensive lab testing services covering wind loads, blast resistance, seismic performance, fire safety, and impact resistance to verify panel performance claims for project specification and code compliance.

Quantifiable outcome

• 60x impact strength compared to solid stone panels
• +5 more outcomes

Named customers11 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Lapitec: Italian manufacturer of sintered stone full-body panels for architectural cladding, facades, and interior surfaces. Highly comparable as a large-format engineered stone panel competing on similar specification rationales (thin, lightweight, durable exterior cladding) with StonePly.
• CUPA Stone: Natural stone quarrier and fabricator specializing in slate and stone cladding panels for architectural projects. Closely comparable as a vertically integrated natural-stone panel supplier targeting facades and curtain walls with a similar specification-driven GTM.
• Caesarstone: Global manufacturer of engineered quartz surfaces for residential and commercial interiors. Comparable as an engineered stone panel/slab brand competing in architectural surfacing, though more skewed to interior countertops than exterior cladding.
• Cambria: US-based engineered quartz surface manufacturer serving commercial and residential architectural specifications. Comparable as a premium engineered stone brand selling into commercial construction via specification-driven channels similar to StonePly.
• Coldspring: US-based natural stone quarrier and fabricator producing dimensional stone for architectural cladding, memorials and commercial projects. Closely comparable as a domestic fabricator of natural stone panels for curtain wall and exterior applications.

Broad incumbents

• Cosentino: Global engineered stone leader behind Dekton (ultra-compact sintered surfaces) and Sensa natural stone. Directly competes in the architectural cladding/interior specification market where StonePly participates, but with vastly broader portfolio, scale, and R&D.
• MSI Surfaces: Large North American distributor and importer of natural stone, quartz and porcelain slabs. Adjacent competitor on the supply side of the same specification market StonePly addresses, though operating through distribution rather than custom fabrication.
• Porcelanosa: Global manufacturer of ceramic and porcelain tiles, natural stone, and architectural surfaces. Comparable as a broad incumbent in premium architectural surfacing serving similar commercial specification channels as StonePly.

Others

• Alpolic (Mitsubishi Chemical): Manufacturer of aluminum composite material (ACM) panels used in architectural cladding. Comparable as an adjacent lightweight composite cladding technology competing in the same rainscreen/exterior facade specification space, but with metal rather than stone face.

Emerging players

• Laminam: Italian manufacturer of large-format thin porcelain slabs used in architectural facades, interiors and countertops. Comparable as an engineered thin-panel cladding alternative addressing the same lightweight exterior and interior specification opportunities as StonePly.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

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 StonePly