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How Cement Is Made?
Western Lime and Cement Company Cement Companies of USA produce 4% and above of the world’s Cement, that makes the USA 3rd largest cement producer in the world after India and China. Most of the top cement companies in USA are multinationals companies having origins in Ireland, Switzerland, and Mexico.
A construction crew at work on the Western Lime and Cement company's factory, which is located between McDonald Street and the west bank of the Fox River. Portland cement is the basic ingredient of concrete. Concrete is formed when portland cement creates a paste with water that binds with sand and rock to harden.
Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients.
Common materials used to manufacture cement include limestone, shells, and chalk or marl combined with shale, clay, slate, blast furnace slag, silica sand, and iron ore. These ingredients, when heated at high temperatures form a rock-like substance that is ground into the fine powder that we commonly think of as cement.
Bricklayer Joseph Aspdin of Leeds, England first made portland cement early in the 19th century by burning powdered limestone and clay in his kitchen stove. With this crude method, he laid the foundation for an industry that annually processes literally mountains of limestone, clay, cement rock, and other materials into a powder so fine it will pass through a sieve capable of holding water.
After the clinker is cooled, cement plants grind it and mix it with small amounts of gypsum and limestone. Cement is so fine that 1 pound of cement contains 150 billion grains. The cement is now ready for transport to ready-mix concrete companies to be used in a variety of construction projects.
Although the dry process is the most modern and popular way to manufacture cement, some kilns in the United States use a wet process. The two processes are essentially alike except in the wet process, the raw materials are ground with water before being fed into the kiln.
Also Read: Cement Australia
List of Top 10 Cement Companies in USA
Here is an US Cement Companies list are as follows.
- Lehigh Hanson
- Buzzi Unicem
- Ash Grove Cement
- Martin Marietta Materials
- Eagle Materials
- Essroc Cement
- Argos Cement
- St. Marys Cement
LafargeHolcim cement was established in the year 2015 by the merger of the Swiss cement producer company Holcim and the French construction company Lafarge. 220 nos of Large Cement Companies in us
LafargeHolcim has a currently present in 70+ countries in the world and currently 72,452+ employes across its multiple operations also largest Cement Factory in USA. LafargeHolcim Cement Group’s primary focus on Cement, ready mix, aggregates, and solutions.
After-merger, LafargeHolcim’s annual revenues of USD 27.76 billion. Currently headquartered of Lafargeholcim was located in Chicago.
LafargeHolcim cement Group has 13 cement-producing plants across the USA with an annual production capacity of 22 MT(million tonnes).
LafargeHolcim cement, available in bag and bulk form, masonry, specialty, blended, mortar, slag, custom stucco, include portland, environmentally friendly Cement, as well as cement-lime, fly ash, and cementitious materials.
Both Company Holcim and Lafarge have 100+ years of experience in their fields.
Some extraordinary projects done by LafargeHolcim in the USA are the first the St. Croix Crossing Bridge that connects Minnesota and Wisconsin and World Trade Center in New York.
Cemex company 5th in the list of the top 10 cement companies in the world. Cemenx producing 87.09 MT(Million Tonnes )of cement last year, with an estimated production capacity of cement 93 million tonnes across the world its 56 cement production factories.
Cemex company is a Mexican and multinational building materials company and its headquartered located in San Pedro, near Monterrey, Mexico.
Cemex is primarily known for manufacturing, producing, and distributing cement, aggregate, and ready-mix concrete in 50 above countries in the world.
Cemex has recently received energy star partner award “The Enviromental Protection Agency (EPA)” for the year 2019.
Cemex group is known for its projects in Orlando and Arizona . One of Cemex’s most famous projects is the construction of a concrete volcano at the Universal Theme park in Orlando.
Cemex, in Houston, TX, provides cement lime mix as well as plastic, stucco, portland, and masonry cement.
Their masonry cement includes colored, high-strength, and masonry mortar cement.
Cemex company is basically from Maxico and that is the leading cement manufacturing company in the USA. Cemex has 11 cement plants in various parts of the United States of America.
3. Lehigh Hanson
Heidelberg cement is 4th largest cement manufacturer company in the world, and its producing 121.11 MT (million tonnes) of cement last year across its 79 plants across in the world.
Heidelberg cement is the biggest cement company in Germany, and company currently employs 55,047 above throughout its operations.
Heidelberg Cement is primarily known for manufacturing cement, concrete, aggregates, asphalt.
Lehigh Hanson company was started in the year 1887 as a cement-producing company in the USA. Lehigh Hanson was after sometime acquired by Heidelberg, a German-based leading global producer of cement in the world.
In 2007, Heidelberg cement is also acquired the British construction company Hanson, which led to the formation of Lehigh Hanson, its headquarter located in Texas.
Lehigh Hanson operates in 19 cement-producing plants in the USA.
Lehigh Hanson provides cementitious products including blended, portland, slag, fly ash, environmentally friendly, masonry and colored masonry, white, oil well, and photocatalytic cement. The company is based in Irving, TX.
4. Buzzi Unicem
Buzzi Unicem cement is basically an Italian company and one of the top cement producer companies in the USA. Buzzi Unicem US headquarters located in Pennsylvania. Buzzi Unicem has 7 cement factories in the USA with a total production capacity of 9 million tons per year.
Buzzi Unicem mainly specializes in portland cement and masonry cement and supplies top various concrete product paving firms and companies.
Based in Bethlehem, PA, Buzzi Unicem cement provides portland, masonry, portland lime, and CSA cement in red, gray, black, and buff colors, depending on the type. They also provide rapid-setting repair and ready-mix concrete products.
Buzzi Unicem cement has 7 cement factories in the USA, having a total of 9 million tons of cement production capacity.
Also Read: Cements Company in India
5. Ash Grove Cement
Ash Grove was basically from a USA company, but it was currently acquired by CRH plc, it is basically an Ireland building materials company. Ash Grove company is one of the top cement producing companies in the USA, with more than 135 years in the country, and it is known for its quality cement production.
6. Martin Marietta Materials
Martin Marietta cement headquarters located in North Carolina, and it is one of the best and top cement producers in the USA. Martin Marietta cement specializes in ready mix concrete, cement, aggregates, and other cement-related products.
Martin Marietta cement company is another biggest cement company in the USA. Martin Marietta cement has works in 27 states in the USA and also offices in Bahamas and Canada.
7. Eagle Materials
Eagle Materials Cement is one of the leading and biggest cement companies in the USA. Eagle Materials cement has 7 cement plants in the USA. And its headquarter located in Texas.
Eagle Materials produces paperboard, gypsum, aggregate, wallboard, and concrete.
8. Essroc Cement
Essroc Cement is a subsidiary by Italcementi cement. Essroc cemnet is an Italian multinational cement manufacturer and producer, and its headquarter located in Italy, Bergamo.
Essroc Cement is 6th largest cement manufacturer in the world. Essroc Cement produces 76.62 MT (million tonnes) of cement last year.
Essroc Cement claims to have a production capacity of cement over 77 MT (million tonnes) across 60 cement factories in the USA.
Essroc Cement is primarily known for producing and manufacturing ready-made concrete, aggregates, cement, and asphalt. Essroc Cement is also known as one of the best top concrete companies in the world.
Also Read: Mitsubishi Cement Plant Japan