Limestone flux (HS 252100)
Limestone flux (HS 252100) has 12,085 U.S. import bill-of-lading shipment records between Jun 2019 and Aug 2026. The largest U.S. importer of Limestone flux is ASH GROVE CEMENT, with 486 shipments, followed by MARMOL EXPORT USA INC and SOLVAY FLUORIDES LLC. The leading supplier is MARMOTECH SA, with 463 shipments, followed by BAHAMA ROCK LIMITED and SHRAYFY MARBLE & GRANITE. Goods originate mainly from PORTUGAL and CHINA, arriving primarily at MIAMI, FL. 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 August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/252100-limestone-flux
See all 12,085 shipments of HS 252100 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (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 236 shipments, followed by MARMOTECH SA → A&P TRADE CORP (197) and MOUCHEIRA MARMORES E CANTARIAS LDA → MARMOL EXPORT USA INC (188).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ASH GROVE CEMENT | 486 |
| MARMOL EXPORT USA INC | 272 |
| SOLVAY FLUORIDES LLC | 242 |
| STONE TTI | 211 |
| A&P TRADE CORP | 197 |
| OLLIN INTERNATIONAL INC | 193 |
| PARIS CERAMICS AMERICA LLC | 187 |
| BAPS NORTHEAST DEVELOPMENT INC | 184 |
| MARTIN MARIETTA AGGREGATES INC | 172 |
| THE TILE SHOP LLC | 170 |
Top suppliers
| Supplier | Shipments |
|---|---|
| MARMOTECH SA | 463 |
| BAHAMA ROCK LIMITED | 418 |
| SHRAYFY MARBLE & GRANITE | 327 |
| LAFARGE TEXADA QUARRYING | 240 |
| MOUCHEIRA MARMORES E CANTARIAS LDA | 237 |
| AYTAN MERMER MADENCILIK ITH IHR SAN | 225 |
| LAFARGE CANADA INC | 207 |
| DIVINE STONE ENTERPRISE | 183 |
| SOLVAY FLUOR GMBH | 182 |
| MARMOTECH S A | 169 |
Origin countries
| Country | Shipments |
|---|---|
| PORTUGAL | 2,442 |
| CHINA | 1,546 |
| CANADA | 1,030 |
| SPAIN | 820 |
| TURKEY | 714 |
| BAHAMAS | 455 |
| PANAMA | 444 |
| DOMINICAN REPUBLIC | 425 |
| FRANCE | 424 |
| INDIA | 424 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| MIAMI, FL | 1,413 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 1,405 |
| LOS ANGELES, CA | 1,310 |
| LONG BEACH, CA | 1,119 |
| HOUSTON, TX | 1,110 |
| SEATTLE, WA | 1,022 |
| PORT EVERGLADES, FL | 680 |
| NORFOLK, VA | 606 |
| OAKLAND, CA | 596 |
| SAVANNAH, GA | 337 |
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.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
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 A&P TRADE CORP.
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 486 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 12,085 U.S. import shipment records under HS code 252100, spanning Jun 2019 to Aug 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.
Start for free