For the designers, architects and builders who shape beautiful rooms.
We would love to work with you. Our trade members get exclusive pricing, a private portal for every client project, spec sheets in one click, and a team that treats your deadlines like our own.
Everything you need to specify stone with confidence
Trade pricing
10% to 15% off retail on every slab in the gallery, shown right beside the retail price when you are signed in.
Client project boards
Organise selections by job site and client, with as many lists per project as you need: kitchen, primary bath, powder room.
One-click spec sheets
Client-ready PDFs with the exact lot, block, finish, thickness and dimensions, in our quiet gallery style, prepared in your company's name.
48-hour holds
Hold a specific lot while your client decides. Request it in one click; we confirm it with the warehouse and keep it in your name for 48 hours.
A dedicated concierge
A real person who knows your projects, sources beyond the gallery, and answers quickly when a deadline is close.
Delivered where you need it
Crated delivery anywhere in the USA, straight to your fabricator, or to one of our trusted fabricator partners.
Three steps to your portal
Apply in two minutes
Tell us about your business and the kind of work you do.
We welcome you aboard
We review every application personally, usually within one business day.
Start specifying
Create a project, save slabs for your client, download spec sheets and hold the lots you love.
Good to know
Is there a fee to join?
No. The Trade Program is free for qualified professionals.
Who qualifies?
interior designer, architect, builder / contractor, fabricator, kitchen & bath dealer and other professionals who specify or install natural stone for clients.
What do I need to apply?
Your business details and a few words about your work. A tax ID is optional; if you purchase tax-exempt, we will ask for your resale certificate after approval.
How do holds work?
Choose a lot and request a hold. We confirm it with the distribution warehouse, usually the same business day, and the lot stays in your name for 48 hours from confirmation.
Can I use my own fabricator?
Of course. We ship crated slabs straight to their shop, or introduce you to one of our fabricator partners.
Let's create something beautiful together.
Join the Grampone Trade Program and bring your clients the exact slab they fall in love with.