ACS International in Arizona
Agean Marble Manufacturing in Ohio
Alamo Marble LTD in Texas
American Marble Industries in Ohio
Award Marble in Winnipeg, Canada
Brandt Molded Marble in Wisconsin
Carolina Custom Surfaces in North Carolina
Composites Compliance in Tennessee
Cultured Marble of Tucson in Arizona
Custom Marble, Inc. in Illinois
Elite Marble in Wisconsin
Hastings Air Energy Control, Inc. in Wisconsin
Inpro Corporation in Wisconsin
International Marble Industries in Georgia
Lafayette Marble & Granite in Louisiana
Lighthouse Marble in Mississippi
MacKenzie Vault, Inc. in Massachusetts
Marble Craft in Texas
Marble Masters of Middle Georgia in Georgia
Marble Shop Inc. in Wisconsin
Monroe Industries in New York
Omya, Inc. in Ohio
Ozark Marble in Missouri
Patterson Products, Inc. in Illinois
Prestige Tooling LLC in Indiana
Sanco, Inc. in Georgia
Sand & Swirl in Utah
SYNMAR in Georgia
Syn-Mar Products in Connecticut
Tower Industries in Ohio
Tyvarian International in Utah 
Wingits in New Jersey
Wolf Home Products – Carstin Division in Illinois