Buzzi S.p.A. (Buzzi Unicem)(BZU.MI)
HQ IT9% share
Italian cement multinational; large U.S. cement footprint (Buzzi Unicem USA / former RC Lonestar, Alamo).
manufactured · input
Cement and cement mortar for pipe lining
Portland cement mixed with sand used for in-mill lining of ductile iron pipe (AWWA C104) and CIPP (cured-in-place pipe) rehabilitation; cement lining prevents iron from leaching into drinking water; Portland cement predominantly manufactured in the US by Lehigh, CEMEX, and LaFargeHolcim plants
12
Source countries
7
Companies
1
Goods affected
0
Claims on record
What depends on it
Goods that need this input
1 essential American goods rely on cement and cement mortar for pipe lining somewhere upstream in their supply chain.
Where it comes from
Source countries
Share of global supply, by country.
| Country | Share of supply |
|---|---|
| TRTurkey | 30% |
| CACanada | 29% |
| VNVietnam | 16% |
| GRGreece | 5% |
| COColombia | 4% |
| EGEgypt | 4% |
| MXMexico | 3% |
| DZAlgeria | 3% |
| KRSouth Korea (Republic of Korea) | 2% |
| SASaudi Arabia | 2% |
| AEUnited Arab Emirates | 2% |
| THThailand | 1% |
Who makes it
Supplier companies
7 companies produce cement and cement mortar for pipe lining.
Eagle Materials Inc.(EXP)
HQ US7% share
U.S. heavy building-materials maker — Portland cement, gypsum wallboard, aggregates; one of the largest American-owned cement producers.
CEMEX S.A.B. de C.V.(CX)
HQ MX
Global cement company (~100 Mt/yr capacity); one of the largest US cement importers from Mexico. Headquarters affected by 25% US tariffs on Mexican cement (April 2025); major US market presence through domestic plants and imports.
CRH plc (Oldcastle Infrastructure)
HQ IE
CRH plc (Dublin Ireland; NYSE: CRH — relocated NYSE primary listing from London 2023; formerly LSE primary; ~$35B revenue) is the world's largest building materials company by market capitalization and the #3 US crushed stone/aggregate producer through its Oldcastle Materials subsidiary. CRH's US aggregates business (Oldcastle) operates ~280 quarries across the US with particular strength in the US Southeast, Ohio River Valley, and Pacific Northwest. CRH/Oldcastle holds approximately 11-14% of US crushed stone market. CRH's Ireland headquarters and global scale make it the only non-US headquartered company in the US aggregate oligopoly. CRH has pursued an aggressive US acquisition strategy — purchasing Lane Industries, Pennsy Supply, and dozens of regional quarry operators over 30 years — making its US aggregate portfolio the product of hundreds of acquisitions rather than organic growth.
HeidelbergMaterials AG(HEIDELB.DE)
HQ DE
Global building materials company (~121 Mt/yr cement capacity); owns Lehigh Hanson (US), Hanson (UK), Italcementi (Italy). Operates world's first commercial-scale cement CCS plant at Brevik, Norway (commissioned June 2025, 400,000 t CO₂/yr).
Holcim Ltd.(HOLN.SW)
HQ CH
World's second-largest cement producer by capacity (~274 Mt/yr). Record performance 2024. Divested US cement operations in 2024 (spun off as "Amrize"). Operates in 60+ countries with vertically integrated quarrying through distribution.
Martin Marietta Materials(MLM)
HQ US
US's second-largest crushed stone and aggregate producer; major supplier of limestone, granite, and sand/gravel for road paving and construction across eastern and central US