Carbides, whether or not chemically defined of calcium (HS 284910)
Carbides, whether or not chemically defined of calcium (HS 284910) has 134 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Carbides, whether or not chemically defined of calcium is IMACRO INC, with 26 shipments, followed by ENVIRONMENTAL MATERIALS CORP and TRANSLOAD INTERNATIONAL SRL. The leading supplier is WHITE MARTINS GASES INDUSTRIAIS LTD, with 44 shipments, followed by GRUPO DE INTERCAMBIO COMERCIAL S A DE C V and CARBURO DEL CINCA S A. Goods originate mainly from BRAZIL and MEXICO, arriving primarily at HOUSTON, TX. Import volume has held steady 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/284910-carbides-whether-or-not-chemically-defined-of-calcium
See all 134 shipments of HS 284910 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 Carbides, whether or not chemically defined of calcium (HS 284910), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is WHITE MARTINS GASES INDUSTRIAIS LTD → IMACRO INC with 26 shipments, followed by WHITE MARTINS GASES INDUSTRIAIS LTD → ENVIRONMENTAL MATERIALS CORP (17) and GRUPO DE INTERCAMBIO COMERCIAL S A DE C V → TRANSLOAD INTERNATIONAL SRL (9).
Top U.S. importers
| Importer | Shipments |
|---|---|
| IMACRO INC | 26 |
| ENVIRONMENTAL MATERIALS CORP | 18 |
| TRANSLOAD INTERNATIONAL SRL | 11 |
| SIGMA ALDRICH INTERNATIONAL | 9 |
| DMS AMERICA LLC | 8 |
| WESTERN INTERNATIONAL GAS&CYL | 8 |
| CARGOLUTION INC | 5 |
| TRANSLOAD INTERNATIONAL SRL /ATA | 5 |
| SIGMA ALDRICH CHEMICAL CO | 4 |
| WESTERN INTERNATIONAL GAS & CYL | 4 |
Top suppliers
| Supplier | Shipments |
|---|---|
| WHITE MARTINS GASES INDUSTRIAIS LTD | 44 |
| GRUPO DE INTERCAMBIO COMERCIAL S A DE C V | 12 |
| CARBURO DEL CINCA S A | 11 |
| METALOIDES SA DE CV | 10 |
| DMS AGENCIAMENTO DE CARGAS E LOGIST | 8 |
| GRUPO DE INTERCAMBIO COMERCIAL SA DE CV | 6 |
| DMS AGENCIAMENTO DE CARGAS E | 5 |
| ORLEN UNIPETROL DEUTSCHLAND GMBH | 5 |
| SIGMA ALDRICH GMBH | 5 |
| METALOIDES S A DE C V | 4 |
Origin countries
| Country | Shipments |
|---|---|
| BRAZIL | 61 |
| MEXICO | 37 |
| GERMANY | 20 |
| SPAIN | 12 |
| IRELAND | 2 |
| CHINA | 1 |
| GEORGIA | 1 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 56 |
| BALTIMORE, MD | 15 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 15 |
| JACKSONVILLE, FL | 14 |
| LONG BEACH, CA | 11 |
| CHARLESTON, SC | 8 |
| SEATTLE, WA | 5 |
| NORFOLK, VA | 4 |
| SAVANNAH, GA | 3 |
| LOS ANGELES, CA | 2 |
Harmonized System classification
HS code 284910 — Carbides, whether or not chemically defined of calcium. 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.
More products under HS 2849
Other six-digit codes in HS 2849: Carbides, whether or not chemically defined, with their U.S. import volume.
| Product (HS code) | Shipments |
|---|---|
| Carbides, whether or not chemically defined of silicon (284920) | 1,350 |
| Carbides, whether or not chemically defined, other (284990) | 1,075 |
Frequently asked questions about importing Carbides, whether or not chemically defined of calcium
Who imports Carbides, whether or not chemically defined of calcium (HS 284910)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Carbides, whether or not chemically defined of calcium include IMACRO INC, ENVIRONMENTAL MATERIALS CORP, TRANSLOAD INTERNATIONAL SRL, SIGMA ALDRICH INTERNATIONAL, and DMS AMERICA LLC.
Who is the largest U.S. importer of Carbides, whether or not chemically defined of calcium?
IMACRO INC is the largest U.S. importer of Carbides, whether or not chemically defined of calcium (HS 284910), with 26 bill-of-lading shipment records.
Who are the top suppliers of Carbides, whether or not chemically defined of calcium?
Leading suppliers shipping Carbides, whether or not chemically defined of calcium (HS 284910) to the U.S. include WHITE MARTINS GASES INDUSTRIAIS LTD, GRUPO DE INTERCAMBIO COMERCIAL S A DE C V, CARBURO DEL CINCA S A, METALOIDES SA DE CV, and DMS AGENCIAMENTO DE CARGAS E LOGIST.
How many U.S. shipments of Carbides, whether or not chemically defined of calcium are there?
ImportDoor has 134 U.S. import shipment records under HS code 284910, spanning Jan 2020 to Aug 2026.
Where is Carbides, whether or not chemically defined of calcium imported from?
Carbides, whether or not chemically defined of calcium is imported into the U.S. primarily from BRAZIL, MEXICO, and GERMANY.
Find Carbides, whether or not chemically defined of calcium importers & suppliers
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