| FTB Restoration -- Produces Litho Arts mineral mortars used in stone restoration. Also in Nederlands and French. |
| GenLime -- A leading manufacturer of specialty dolomitic lime products. |
| Holnam, Inc. -- Holnam is the largest manufacturer of cement in the US |
| Kaiser Building Products -- Offers a grout colorant utilizing a gel pigment carrier to achieve uniform color matching in a waterless grout, dryset mortar and mastic for use in tile, stonework and other masonry applications. |
| Kothari Corrosion Controllers -- Manufacture acid proof cement-mortars . India. |
| Mike Wye and Associates -- Traditional and ecological building materials supplied, lime mortars, plasters, limewash, pozzolans, practical training courses, guide sheets colour charts and a photo gallery of renovations. |
| Mortar Industry Association -- Independent advice and technical expertise to specifiers and users of factory produced mortar. |
| Syndesis Inc -- Design firm which manufactures, fabricates, and installs custom architectural products and surfaces using SyndecreteŽ as a primary medium. |
| Turbosol -- Mortar and plaster mixing and sprayng. Italy |
