Andorra Building Maintenance Limited -  Services include natural stone and marble restoration, hotel and building maintenance and post-renovation clean-up. Serving the Greater Toronto area since 1967.

Brightstone, Inc.  - Manufacturers of stone care products to seal, clean, and restore natural stones and masonry. Includes a product guide and glossary.

Capital Cleaning Services, Inc.  - Provides services for restoration, maintenance and repair of natural stone as well as training of the client janitorial staff.

Hilgartner Natural Stone Company, Inc.  - Site contains information about dimensional stone fabrication, installation, statuary and stone maintenance.

HMK Stone Care  - Supplies series of products for all natural and semi-natural stone, and man-made hard surfaces.

Integrity Stone  - Kansas City based Integrity Stone offers Natural Stone cleaning and Restoration services with links to stone information and design resources.

Marble West  - Specializing in the Restoration of Stone and Metal and Maintenance Programs. Offices in San Francisco and Los Angeles, CA.

Mextone Corporation - In addition to tiles and slabs, Mextone also specializes in commercial and residential cut-to-size projects

New England Stone Care, Inc. - Products and services for natural stone care, maintenance and restoration.

P.B. Marble Services Co.  -  Provides information and products for the restoration and maintenance of natural stone.

Slip Grip  - Manufacturer for slip resistant safety treatments for stone and tile flooring.

Solid Rock Refinishing Company  - Specializing in the restoration and refinishing of natural stone surfaces including marble, granite, slate, tile, terrazzo, limestone, concrete, and others.

Sungloss Marble Co. - Provides services such as marble cleaning, marble restoration, marble sealing, natural stone polishing and refinishing.

Tarabella Marmi S.r.l.  - Our Company highly specializes in restoration polisshing, smoothing and ageing slabs of marble.

The Marble Clinic  - Specializing in the protection, restoration and preventive maintenance of all natural stone. Located in Mississauga, Ontario, Canada.