John Papagiannoulis Bros S.A.

18/02/2026

Every block begins here.
Before architecture, before design — there is landscape.

Our quarries are not just extraction sites; they are places where geology, time and responsibility meet. Each layer reveals millions of years of history, waiting to become part of a new story.

28/01/2026

📍 𝗞𝗶𝗻𝗴 𝗙𝗮𝗶𝘀𝗮𝗹 𝗠𝗮𝘀𝗷𝗶𝗱 𝗠𝗼𝘀𝗾𝘂𝗲 | 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁
Completed in 1986, the King Faisal Masjid Mosque in Islamabad stands as a defining landmark of modern Islamic architecture.
Its design brings together contemporary form and historical reference, drawing inspiration from the Ka’ba and the traditional Bedouin tent.

𝗧𝗵𝗮𝘀𝘀𝗼𝘀 𝗠𝗮𝗿𝗯𝗹𝗲 was selected for both exterior and interior applications, contributing clarity, durability and a calm visual presence to the structure - qualities essential for a spiritual and civic monument of this scale.

• Type: Spiritual Centre
• Location: Islamabad, Pakistan
• Material: Thassos Marble
• Usage: Exterior & Interior

🔗 Explore the project on our website.

The King Faisal Masjid Mosque in Islamabad, completed in 1986, was the largest mosque in the world until 1993 and stands as a symbol of the Islamic Republic of Pakistan. Its architecture uniquely merges modern design with historical elements, blending the cuboid shape of the Ka’ba with the peaked ...

26/01/2026

Sustainable quarrying is a daily practice.

For us responsible quarrying means working with care at every stage:
▪️ Closed-loop water recycling to preserve local resources
▪️ Energy-efficient equipment to reduce emissions
▪️ Thoughtful extraction and land restoration
▪️ Repurposing stone byproducts to minimize waste

From quarry to slab, our goal is simple: produce natural stone with respect for the environment and the people involved.

🔗 Learn more on our blog.

Discover how responsible quarrying practices and sustainable innovation are shaping the future of the natural stone industry.

23/01/2026

Volakas Marble is defined by variation.
Each block carries its own movement, shaped entirely by nature.

21/01/2026

▪️ Details matter ▪️
Surface finish and edge quality define how marble performs over time.

19/01/2026

𝗧𝗵𝗮𝘀𝘀𝗼𝘀 𝗠𝗮𝗿𝗯𝗹𝗲 | Known for its clarity, uniformity, and performance in demanding applications.

16/01/2026

New Year, Same Standards!
A new year begins, with the same focus on material and responsible production.

09/01/2026

A working day at the quarry.
Extraction, checks, and coordination — long before marble reaches a project site.

07/01/2026

January starts where it always does: with material, planning, and steady work.
Our teams are back, ready to support new projects for the year ahead.

29/12/2025

As 2025 comes to an end, we reflect on a year of steady work, new partnerships, and continued trust in Greek marble.
Thank you for being part of our journey!

24/12/2025

As the year approaches its close, we take a moment to acknowledge the people behind the work.
Craftsmanship, patience, and expertise - values that carry us through every season.