Concrete reinforcing bars and rods (HS 721310)
Concrete reinforcing bars and rods (HS 721310) has 3,025 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Concrete reinforcing bars and rods is O&K AMERICAN CORP, with 808 shipments, followed by A L THOMPSON S and J S STEEL & SUPPLY. The leading supplier is O&K CO LTD, with 897 shipments, followed by GERDAU METALDOM S A and METALDOM S A. Goods originate mainly from JAPAN and VIRGIN ISLANDS, U.S., arriving primarily at LOS ANGELES, CA. 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/721310-concrete-reinforcing-bars-and-rods
See all 3,025 shipments of HS 721310 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 Concrete reinforcing bars and rods (HS 721310), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is O&K CO LTD → O&K AMERICAN CORP with 808 shipments, followed by GERDAU METALDOM S A → A L THOMPSON S (202) and METALDOM S A → A L THOMPSON S (115).
Top U.S. importers
| Importer | Shipments |
|---|---|
| O&K AMERICAN CORP | 808 |
| A L THOMPSON S | 317 |
| J S STEEL & SUPPLY | 103 |
| DAYTON SUPERIOR CORP | 91 |
| ROCKNEL FASTENER INC | 83 |
| STAMFORD STEEL CORP | 53 |
| DUFERCO STEEL INC | 45 |
| AL THOMPSON | 42 |
| ITC MANUFACTURING | 42 |
| STEEL HUB AMERICAS LLC | 38 |
Top suppliers
| Supplier | Shipments |
|---|---|
| O&K CO LTD | 897 |
| GERDAU METALDOM S A | 477 |
| METALDOM S A | 298 |
| SUNRISE HARDWARE CO LTD | 125 |
| TOSYALI IRON STEEL INDUSTRIAL ALGERIA | 92 |
| KAPTAN DEMIR CELIK ENDUSTRISI FAHRETTIN KERIM GOKAY CAD BESTEKAR SADETTIN KAYNAK | 70 |
| KAPTAN DEMIR CELIK ENDUSTRISI VE TICARET AS FAHRETTIN KERIM GOKAY CADDESI BESTEKAR SAADETTIN KAYNAK SOK | 64 |
| NANJING IRONSTONE STORAGE EQUIPMENT NO | 31 |
| DONGKUK STEEL MILL CO LTD | 30 |
| COLAKOGLU METALURJI AS RUZGARLIBAHCE MAHALLESI CAM PINARI SOKAK | 28 |
Origin countries
| Country | Shipments |
|---|---|
| JAPAN | 907 |
| VIRGIN ISLANDS, U.S. | 434 |
| TURKEY | 407 |
| DOMINICAN REPUBLIC | 363 |
| CHINA | 247 |
| REPUBLIC OF KOREA | 129 |
| ALGERIA | 103 |
| PORTUGAL | 94 |
| EGYPT | 80 |
| MEXICO | 47 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 902 |
| WEST PALM BEACH, FL | 593 |
| SAN JUAN, PUERTO RICO | 229 |
| HOUSTON, TX | 215 |
| NEW ORLEANS, LA | 164 |
| CHRISTIANSTED, VIRGIN ISLANDS | 147 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 128 |
| LONG BEACH, CA | 88 |
| PHILADELPHIA, PA | 83 |
| PORT EVERGLADES, FL | 81 |
Harmonized System classification
HS code 721310 — Concrete reinforcing bars and rods. 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 7213
Other six-digit codes in HS 7213: Bars and rods, hot-rolled, in irregularly wound coils, of iron or nonalloy steel, with their U.S. import volume.
Frequently asked questions about importing Concrete reinforcing bars and rods
Who imports Concrete reinforcing bars and rods (HS 721310)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Concrete reinforcing bars and rods include O&K AMERICAN CORP, A L THOMPSON S, J S STEEL & SUPPLY, DAYTON SUPERIOR CORP, and ROCKNEL FASTENER INC.
Who is the largest U.S. importer of Concrete reinforcing bars and rods?
O&K AMERICAN CORP is the largest U.S. importer of Concrete reinforcing bars and rods (HS 721310), with 808 bill-of-lading shipment records.
Who are the top suppliers of Concrete reinforcing bars and rods?
Leading suppliers shipping Concrete reinforcing bars and rods (HS 721310) to the U.S. include O&K CO LTD, GERDAU METALDOM S A, METALDOM S A, SUNRISE HARDWARE CO LTD, and TOSYALI IRON STEEL INDUSTRIAL ALGERIA.
How many U.S. shipments of Concrete reinforcing bars and rods are there?
ImportDoor has 3,025 U.S. import shipment records under HS code 721310, spanning Jan 2020 to Aug 2026.
Where is Concrete reinforcing bars and rods imported from?
Concrete reinforcing bars and rods is imported into the U.S. primarily from JAPAN, VIRGIN ISLANDS, U.S., and TURKEY.
Find Concrete reinforcing bars and rods importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 721310, with contact details and container-level shipment records on ImportDoor.
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