StoneContact

What StoneContact does

StoneContact is a privately held B2B online marketplace founded in 2003 and headquartered in Coconut Creek, Florida, that connects stone buyers with suppliers across 221 countries. The platform hosts 134,791+ suppliers, lists 21,600+ stone types, and has facilitated 1,486,825 cumulative buying requests with 25,617 inquiries in the most recent month. Its core product surface spans Natural Stone (marble, granite, limestone, onyx, travertine, sandstone, quartzite, basalt, slate), Artificial Stone (engineered quartz, sintered stone, porcelain, terrazzo, nano glass), Stone Machinery, Stone Tools & Abrasives, Stone Adhesives & Chemicals, and Stone Services (logistics, inspection, design). Supporting features include the Stone Library reference database, the Stone Quarry Directory, the Stone Fair trade-show directory, and the proprietary "Match Your Image" AI-powered visual search tool that ranks visually similar stones from a 21,000-stone corpus.

The platform monetizes exclusively on the supplier side through Diamond Membership subscriptions and Brand, Product, and Keyword Promotion advertising placements, while buyers access the marketplace free of charge. Distribution is purely digital via stonecontact.com and iOS/Android mobile applications, with primary customer segments being stone factories and manufacturers, quarry owners, construction companies, and monument and memorial companies. StoneContact operates with 11-50 employees, has no disclosed external funding rounds, and is independently held.

Name

StoneContact

Website

https://stonecontact.com

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

11–50 employees

Short description

StoneContact is a privately held B2B online marketplace founded in 2003 that connects global stone buyers with 134,791+ suppliers across 221 countries, monetizing via supplier subscriptions and advertising while offering free buyer access.

Ownership category

akta.pro rank

Product category

B2B Stone and Construction Materials Marketplace

NAICS

Cut Stone and Stone Product Manufacturing (327991), Dimension Stone Mining and Quarrying (212311)

SIC

Wholesale-Jewelry, Watches, Precious Stones & Metals (5094)

akta.pro primary industry

Diamond & Gemstone B2B Exchanges/Marketplaces (CRAKAJAJ)

akta.pro secondary industry

Aggregates & Dimension Stone Trading (Sand & Gravel, Crushed Stone, Limestone, Granite, Marble) (IMAKAJAG)

Keywords

• B2B stone marketplace
• Natural stone trading
• Construction materials marketplace
• Stone supplier directory
• Marble granite sourcing

Headquarters

HQ city

Coconut Creek

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Digital Commerce or Content

Cost components

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

Revenue model

1. Supplier Membership Tiers: Suppliers pay for premium membership tiers including Diamond Membership to gain enhanced visibility and credibility indicators on the platform
2. Brand Promotion Services: Paid promotional services for supplier brands including banner advertising and featured listings on the platform homepage and category pages
3. Product Promotion: Premium placement and highlighted product listings for suppliers to increase visibility of specific products
4. Keyword Promotion: Suppliers can pay for priority placement when specific search keywords are used

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

StoneContact operates a global B2B online marketplace that connects stone buyers with quarry owners, factories, and stone suppliers across 221 countries. The platform lists natural stone (marble, granite, limestone, onyx, travertine, sandstone, quartzite, basalt, slate), artificial stone, stone machinery, tools and abrasives, adhesives and chemicals, and stone services, supported by a Stone Library database, an RFQ-based Buying Requests system, and an AI-powered "Match Your Image" similarity search. Suppliers pay for Diamond Membership tiers and promotional placements, while buyers access the platform free of charge.

Product overview

StoneContact is a B2B global stone trade marketplace platform operating since 2003, connecting quarry owners, manufacturers, and suppliers with buyers worldwide. The platform features Natural Stone products (Marble, Granite, Limestone, Onyx, Travertine, Sandstone blocks and slabs), Artificial Stone (Quartz/Engineered Stone, Nano Glass Stone, Sintered Stone, Porcelain, Terrazzo), Stone Machinery (Quarry machines, Factory machines, Hand held machines), Stone Tools & Abrasives, Stone Adhesives & Chemicals, and Stone Services (Logistics, Inspection, Design). The platform also offers a Stone Quarry Directory, Stone Library (21,600+ stone types from 221 countries), Match Your Image similarity search, Buying Requests/RFQ system, and Diamond Membership subscription tiers. Key features include a Stone Fair directory and video resources.

Differentiator

Problem solved

Functional benefit

Products and services

• StoneContact Marketplace Platform Global B2B stone trade marketplace platform connecting quarry owners, manufacturers, and suppliers with buyers worldwide, featuring product listings, supplier directories, Stone Library, and buying request functionality.
• Natural Stone Marketplace category encompassing stone blocks, tiles, and slabs across varieties including Marble, Granite, Limestone, Onyx, Travertine, Sandstone, Quartzite, Basalt, and Slate.
• Artificial Stone Marketplace category covering artificial stone tiles and slabs including Quartz/Engineered Stone, Nano Glass Stone, Sintered Stone, Porcelain, Terrazzo, and Semi-precious Stone.
• Stone Machinery Marketplace category for stone industry machinery including Quarry Machines, Factory Machines, Maintenance Machines, Artificial Stone Machines, Used Stone Machines, and Hand Held Machines.
• Stone Tools & Abrasives Marketplace category for stone processing tools including Saw Blades, Polishing Abrasives, Bush Hammer Tools, Stone Carving Tools, Wire Saw Rope, Diamond Segments, CNC Machine Tools, and safety/lifting equipment.
• Stone Adhesives & Chemicals Marketplace category for stone installation chemicals including Stone Adhesives, Epoxy, Sealers, Anti-Slip Coatings, Color Enhancers, Cleaners, and Rock Cracking compounds.
• Stone Quarry Directory Directory of stone quarries worldwide organized by type (Marble, Granite, Limestone, Travertine, etc.) and location (Turkey, China, Italy, Iran, India, Brazil, Spain, Greece, etc.).
• Stone Service Providers Marketplace category for stone industry services including Freight Forwarders/Logistics, Project Design, Inspection & Consulting, Stone Exhibit Services, Repair & Maintenance, and Packing services.
• Diamond Membership Premium supplier membership tier offering enhanced visibility, priority listing, credibility indicators, and additional promotional features on the StoneContact platform.

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Alibaba: Alibaba is the world's largest horizontal B2B marketplace. Its dedicated stone and construction materials category competes directly with StoneContact for international buyer traffic, although it serves a much broader product set and lacks StoneContact's vertical depth.
• Made-in-China: Made-in-China.com is a major China-based B2B marketplace with a sizable stone and construction materials category. It competes with StoneContact for Chinese supplier exposure to international buyers, though across a far wider product range.
• Global Sources: Global Sources is a long-established B2B marketplace with significant stone and building materials exposure. It competes with StoneContact for international buyer RFQ flow, especially from Asia-based suppliers, though it serves many categories beyond stone.
• Houzz: Houzz is a leading home design and renovation platform with a marketplace for stone countertops, tiles, and surfacing. It overlaps with StoneContact's construction and designer buyer segments, particularly in North America and Europe.
• Thomasnet: Thomasnet is a major North American B2B sourcing platform with extensive supplier directories across construction and industrial categories. It competes with StoneContact for industrial stone buyer inquiries, especially in the US market.
• Kompass: Kompass is a global B2B directory and marketplace with categories covering stone, construction materials, and quarrying. It competes with StoneContact for international supplier visibility and lead generation, particularly in Europe.

Direct peers

• Stonebuy: Stonebuy is a B2B stone marketplace offering similar listing, inquiry, and supplier directory functionality. It targets overlapping buyer and supplier segments in natural stone, making it one of the closest direct competitors to StoneContact.
• Stone-Contact (marble.com / Marble.com): Marble.com is a US-focused stone sourcing platform connecting buyers with fabricators and suppliers. It competes with StoneContact for residential and commercial stone buyers in the North American market, though it is more buyer/sourcing oriented than supplier listing.
• Stoneadd: Stoneadd is a B2B stone marketplace serving similar factory, quarry, and trader segments. It offers product listings and inquiry-based sourcing, making it a direct vertical competitor in the global stone B2B space.

Emerging players

• Stone World (BNP Media): Stone World is a leading trade publication and industry resource for the stone sector. While not a direct marketplace, it provides supplier directories and product content that overlaps with StoneContact's stone library and supplier discovery features.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/Stone_Contact
• Facebookfacebook.com/StoneContact-159930684055062
• LinkedInlinkedin.com/company/stonecontact-inc

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 StoneContact