Limestone flux (HS 252100)
Limestone flux (HS 252100) has 10,636 U.S. import bill-of-lading shipment records between Jun 2019 and Jun 2026. The largest U.S. importer of Limestone flux is ASH GROVE CEMENT, with 428 shipments, followed by MARMOL EXPORT USA INC and SOLVAY FLUORIDES LLC. The leading supplier is MARMOTECH SA, with 392 shipments, followed by BAHAMA ROCK LIMITED and SHRAYFY MARBLE & GRANITE. Goods originate mainly from PORTUGAL and CHINA, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. Import volume has risen over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through June 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Limestone flux (HS 252100), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is LAFARGE TEXADA QUARRYING → ASH GROVE CEMENT with 222 shipments, followed by MOUCHEIRA MARMORES E CANTARIAS LDA → MARMOL EXPORT USA INC (172) and MARMOTECH SA → A&P TRADE CORP (165).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ASH GROVE CEMENT | 428 |
| MARMOL EXPORT USA INC | 245 |
| SOLVAY FLUORIDES LLC | 204 |
| STONE TTI | 197 |
| BAPS NORTHEAST DEVELOPMENT INC | 171 |
Top suppliers
| Supplier | Shipments |
|---|---|
| MARMOTECH SA | 392 |
| BAHAMA ROCK LIMITED | 377 |
| SHRAYFY MARBLE & GRANITE | 269 |
| LAFARGE TEXADA QUARRYING | 226 |
| MOUCHEIRA MARMORES E CANTARIAS LDA | 218 |
Origin countries
| Country | Shipments |
|---|---|
| PORTUGAL | 2,157 |
| CHINA | 1,334 |
| CANADA | 914 |
| SPAIN | 737 |
| TURKEY | 622 |
| BAHAMAS | 412 |
| DOMINICAN REPUBLIC | 388 |
| INDIA | 385 |
| PANAMA | 372 |
| FRANCE | 367 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 1,294 |
| MIAMI, FL | 1,235 |
| LOS ANGELES, CA | 1,202 |
| HOUSTON, TX | 982 |
| LONG BEACH, CA | 948 |
| SEATTLE, WA | 873 |
| PORT EVERGLADES, FL | 601 |
| OAKLAND, CA | 503 |
| NORFOLK, VA | 499 |
| SAVANNAH, GA | 294 |
Harmonized System classification
HS code 252100 — Limestone flux. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Frequently asked questions about importing Limestone flux
Who imports Limestone flux (HS 252100)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Limestone flux include ASH GROVE CEMENT, MARMOL EXPORT USA INC, SOLVAY FLUORIDES LLC, STONE TTI, and BAPS NORTHEAST DEVELOPMENT INC.
Who is the largest U.S. importer of Limestone flux?
ASH GROVE CEMENT is the largest U.S. importer of Limestone flux (HS 252100), with 428 bill-of-lading shipment records.
Who are the top suppliers of Limestone flux?
Leading suppliers shipping Limestone flux (HS 252100) to the U.S. include MARMOTECH SA, BAHAMA ROCK LIMITED, SHRAYFY MARBLE & GRANITE, LAFARGE TEXADA QUARRYING, and MOUCHEIRA MARMORES E CANTARIAS LDA.
How many U.S. shipments of Limestone flux are there?
ImportDoor has 10,636 U.S. import shipment records under HS code 252100, spanning Jun 2019 to Jun 2026.
Where is Limestone flux imported from?
Limestone flux is imported into the U.S. primarily from PORTUGAL, CHINA, and CANADA.
Find Limestone flux importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 252100, with contact details and container-level shipment records on ImportDoor.
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