StoneExpoZone

What StoneExpoZone does

StoneExpoZone is an online B2B marketplace focused on the global natural stone industry, connecting stone suppliers, quarriers, and finished-product vendors with wholesale buyers, architects, and construction trade users. Founded in 2010, the platform operates from a Torrance, USA mailing address while being run by Variograma, Lda, a Lisbon, Portugal-based company that supplies the underlying Variograma CORE platform technology. The company employs between 101 and 250 people and operates as a private entity.

The platform's core product is a searchable directory of natural stone suppliers augmented with reference content (unit conversion tools, Incoterms guides) and a browser-distributed utility application. Suppliers list inventory across stone types, finishes, and origins, and buyers can filter and contact vendors directly. Technology signals include a templated privacy policy referencing SSL and a generic payment gateway, and continued reliance on legacy third-party authentication providers (Windows Live, AOL, Yahoo), which points to an aging web stack rather than a modern, AI-enabled marketplace.

StoneExpoZone's business model is freemium with paid subscription tiers for suppliers (SmallBiz and Professional). Public pricing is not disclosed, and no enterprise contracts, revenue figures, or funding rounds are reported. The company monetizes supplier listings and enhanced visibility rather than charging buyer-side commissions, and its revenue mechanics depend on the conversion of free supplier accounts to paid tiers and the retention of paid subscribers within the niche stone vertical.

Name

StoneExpoZone

Legal name

StoneExpoZone

Website

https://stoneexpozone.com

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

101–250 employees

Short description

StoneExpoZone is an online B2B marketplace founded in 2010 that connects global natural stone suppliers with wholesale buyers and trade users, monetizing through tiered supplier subscriptions on the Variograma CORE platform.

Ownership category

akta.pro rank

Product category

Natural Stone B2B Marketplace

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

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

Keywords

• Natural stone marketplace
• B2B stone trading platform
• Marble granite suppliers
• Stone industry directory
• Construction materials sourcing

Headquarters

HQ city

Torrance

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Digital Commerce or Content

Cost components

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

Revenue model

1. Stone Company Subscriptions: Paid membership subscriptions for stone companies allowing them to respond to market requests, view buyer contacts, and gain enhanced visibility. Two tiers exist: SmallBiz (shows up to 10 stones publicly) and Professional Account (up to 50 stones). Auto-renew options provide discounts.
2. Market Access Fees: While basic access is free, paid members receive full market access including ability to reply to buyer requests and see contact information. Non-paying members can post requests but cannot respond to them or view full buyer details.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels6 records

Core offering

StoneExpoZone is a B2B online marketplace and information hub for the natural stone industry that connects global buyers with stone suppliers. Buyers can post free requests for natural stones such as granite, marble, limestone, travertine, and other varieties, and the platform routes those requests to relevant stone companies who subscribe to paid memberships to respond and access buyer contacts. The platform also provides searchable stone and company databases plus utility tools for international trade (Incoterms reference, unit conversion).

Product overview

StoneExpoZone is a B2B online marketplace and information center for the natural stone industry, powered by Variograma CORE platform. The platform consists of a core marketplace for buying and selling natural stones (including granite, marble, limestone, travertine, and others), a searchable Natural Stones Database organized by stone type and origin, a Companies Database covering suppliers, equipment providers, and service companies, plus utility tools including a Unit Conversion Utility for industry measurements and an Incoterms Reference guide for international trade terms.

Differentiator

Problem solved

Functional benefit

Products and services

• StoneExpoZone Marketplace B2B online marketplace connecting buyers and sellers of natural stones including granite, marble, limestone, travertine, and other natural stone varieties. Users can post requests for stones and receive replies from suppliers; only stone companies can become paying members to respond to requests and access buyer contact information.
• Natural Stones Database Searchable database of natural stones with classifications by type (Granite, Marble, Breccia, Limestone, Travertine, Quartzite, Sandstone, Serpentinite, Slate, Other) and origin country.
• Companies Database Directory of stone industry companies including Stone Companies, Equipment Suppliers, Service Companies, Construction Related Companies, Exhibition and Event Organizations, Media, and Other Institutions.
• Unit Conversion Utility Tool for converting units relevant to stone industry including meters, centimeters, feet, inches, square meters, square feet, cubic meters, cubic feet, kilograms, pounds, and tons (metric, U.S., U.K.).
• Incoterms Reference Educational reference tool explaining international commercial terms published by ICC including EXW, FOB, CIF, DDP and other Incoterms with cost allocation breakdowns.

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• Variograma, LdacoreTechnology or IntegrationVariograma, Lda is the technology provider that powers StoneExpoZone. They provide industry-leading database, software, and internet solutions using state-of-the-art technologies, servers, data centers, and world-class networks. The company is headquartered in Lisbon, Portugal and is also responsible for website design, hosting, and maintenance. Variograma provides tools for instant-update of sites on the platform.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Houzz: Houzz is a large established home design and remodeling marketplace connecting homeowners and professionals with suppliers of building materials including stone, tile, and surfacing products. It serves a much broader home-improvement audience but includes stone as part of its wider material offerings.
• ThomasNet: ThomasNet is a leading North American B2B industrial sourcing platform with categories covering building materials including stone. It is comparable as an established industrial B2B marketplace, though it does not specialize in natural stone.
• Alibaba: Alibaba is the world's largest general B2B marketplace, with extensive listings for natural stone, marble, and granite across multiple international sellers. It competes indirectly with StoneExpoZone by offering stone sourcing as one of many categories.

Regional players

• IndiaMART: IndiaMART is India's largest B2B marketplace with significant listings in natural stone, granite, and marble categories primarily serving Indian exporters. It is comparable as a B2B platform with a stone vertical, though its geographic concentration differs from StoneExpoZone's global focus.
• Made-in-China: Made-in-China is a major Chinese B2B sourcing platform with deep coverage of natural stone, marble tiles, and granite slabs from Chinese manufacturers. It competes with StoneExpoZone for international stone buyers, particularly those sourcing from Asia.

Direct peers

• StoneContact: StoneContact is a B2B online marketplace dedicated specifically to natural stone, marble, granite, and related building materials. It directly competes with StoneExpoZone by connecting global stone buyers and suppliers through product listings and inquiry requests.
• Natural Stone City: Natural Stone City operates as a B2B directory and marketplace for natural stone suppliers and buyers worldwide. It overlaps with StoneExpoZone's core offering of connecting stone sellers with international buyers seeking granite, marble, and other dimension stone products.

Emerging players

• Stone World: Stone World is a trade publication and digital information hub for the natural stone industry covering suppliers, products, and trends. It is comparable to StoneExpoZone's informational/portal role for the stone industry, though its primary medium is editorial content rather than a transactional marketplace.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/variograma

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 StoneExpoZone