ROADS — BUILDINGS — MINING SUPPLY
Contractors & General Suppliers

Built on Gold.
Grounded in Rock‑Solid Work.

Yellow Stone Traders & General Supplies delivers roads, buildings and government infrastructure across Tanzania, while supplying the mining sector with equipment, ore‑processing chemicals and technical expertise.

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Our Services

Built on
Gold. Grounded
in Rock.

Eight service lines, one contractor — from breaking ground on a road to equipping a processing plant floor.

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Matemla Michael Lameck, Founder Matemla Michael Lameck Founder

"We treat every road, classroom and clinic we build with the same care we bring to a gram of gold."

Primary Mining Licence by the Ministry of Minerals
Ministry of Minerals — Mining Commission, Tanzania
Who We Are

A Contractor Built Around Two Trades

Yellow Stone Traders & General Supplies was founded by Matemla Michael Lameck to serve two industries that shape Tanzania's growth: construction and mining. We design, build and contract roads, public buildings and private developments — and we equip the mining sector with excavation equipment, ore-processing chemicals, and hands-on technical advice.

What We Do

Full-Spectrum Contracting & Mining Supply

Eight service lines, one contractor — from breaking ground on a road to advising a processing plant floor.

01/08

Road Contracting

Construction, upgrading and rehabilitation of roads.

02/08

Government Projects

Schools and dispensaries built to national standards.

03/08

Private & Commercial

Contracting for individuals and companies.

04/08

Building Construction

Foundation through finishing.

05/08

Railways & Utilities

Specialized infrastructure projects.

06/08

Mining Equipment Supply

Excavation and mining equipment sourcing.

07/08

Ore-Processing Chemicals

Supply for gold recovery and beneficiation.

08/08

Blueprints & Consultancy

Drawings, plus processing advisory.

Local Expertise

Deep understanding of Tanzania's construction regulations and mining sector needs.

Government & Private

Delivering to the same standard for public agencies and private clients alike.

In-House Drafting

Construction plans developed internally, not outsourced.

Technical Advisory

Hands-on consultancy for better ore-processing outcomes.

Start a Project

Have a Site, a Plan, or a Problem to Solve?

Tell us about your road, building or processing challenge — we'll come back with a clear, costed way forward.