Huaxi Mine Powder Co., Ltd.
Manufacturer and supplier of barite powder, vanadium and ilmenite powder, limestone powder and calcium carbonate.
http://www.minepowder.com

Meckley's Limestone Products, Inc.
Meckley's Limestone Products - High quality construction limestone, agricultural limestone and bitumious concrete. Greystone Materials - Bridging the gap between the sorbent and power industries.
http://www.meckleys.com/

Martin Limestone
Supplier of limestone, agricultural limestone, baseball and softball infield mix, sand, quartzite stone, and clay. Includes company and product information and links to relevant industry resources.
http://www.martinlimestone.com

Indiana Limestone Institute of America
Serves the construction industry as a coordinating agency for the dissemination of accurate, unbiased information on limestone standards, recommended practices, grades, colors, finishes, and all technical data required for specifying, detailing, fabricating and erecting Indiana Limestone.
http://www.iliai.com

Elliott Stone Company
Bloomington, Indiana stone quarry that operates year-round and provides the highest quality limestone for construction purposes.
http://www.elliottstone.com/

International Powder Metallurgy Directory
A unique on-line source of powder metallurgy product producers, metal powder suppliers and powder metallurgy equipment manufacturers.
http://www.ipmd.net

Sarda Industrial Enterprises
Metal powder - Sarda Industrial Enterprises - metal powder manufacturer, bronze powder, metal powder suppliers, zinc powder, metal powder exporter, zinc powder supplier, bronze powder exporters, copper powder, tin powder, lead powder, powdered metal, from india
http://siejpr.com

Are Pyramids Made Out of Concrete?
Research by Joseph Davidovits suggests that pyramids and temples were constructed using agglomerated limestone, rather than quarries, and hoisted blocks of natural limestone.
http://www.geopolymer.org/science_archaeology/pyramids_egypt/index.html

Wellmet International Inc
Wellmet International Inc Supply titanium, Nickel and Molybdenum powder, Indium ingot, cobalt oxide, metal scrap, rock drill and more
http://www.wellmetusa.com/

Chem Carb (India)
Manufacturers of Precipitated Calcium Carbonate, Precipitated Calcium Carbonate, Activated Calcium Carbonate, Oyster Shell Powder, Precipitated Silica, China Clay Powder, Calcite Powder, Mumbai, India
http://www.chemcarbindia.com/