Concrete reinforcing bars and rods (HS 721310)
Concrete reinforcing bars and rods (HS 721310) has 2,628 U.S. import bill-of-lading shipment records between Jan 2020 and Jun 2026. The largest U.S. importer of Concrete reinforcing bars and rods is O&K AMERICAN CORP, with 678 shipments, followed by A L THOMPSON S and J S STEEL & SUPPLY. The leading supplier is O&K CO LTD, with 760 shipments, followed by GERDAU METALDOM S A and METALDOM S A. Goods originate mainly from JAPAN and TURKEY, 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 June 2026
Shipments over time (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 678 shipments, followed by GERDAU METALDOM S A → A L THOMPSON S (183) and METALDOM S A → A L THOMPSON S (105).
Top U.S. importers
| Importer | Shipments |
|---|---|
| O&K AMERICAN CORP | 678 |
| A L THOMPSON S | 288 |
| J S STEEL & SUPPLY | 97 |
| DAYTON SUPERIOR CORP | 78 |
| ROCKNEL FASTENER INC | 76 |
Top suppliers
| Supplier | Shipments |
|---|---|
| O&K CO LTD | 760 |
| GERDAU METALDOM S A | 427 |
| METALDOM S A | 237 |
| SUNRISE HARDWARE CO LTD | 109 |
| TOSYALI IRON STEEL INDUSTRIAL ALGERIA | 83 |
Origin countries
| Country | Shipments |
|---|---|
| JAPAN | 768 |
| TURKEY | 385 |
| VIRGIN ISLANDS, U.S. | 382 |
| DOMINICAN REPUBLIC | 300 |
| CHINA | 206 |
| REPUBLIC OF KOREA | 108 |
| ALGERIA | 92 |
| PORTUGAL | 83 |
| EGYPT | 79 |
| BULGARIA | 34 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 741 |
| WEST PALM BEACH, FL | 528 |
| SAN JUAN, PUERTO RICO | 210 |
| HOUSTON, TX | 195 |
| NEW ORLEANS, LA | 145 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 116 |
| CHRISTIANSTED, VIRGIN ISLANDS | 104 |
| LONG BEACH, CA | 80 |
| PHILADELPHIA, PA | 73 |
| PORT EVERGLADES, FL | 70 |
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.
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 678 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 2,628 U.S. import shipment records under HS code 721310, spanning Jan 2020 to Jun 2026.
Where is Concrete reinforcing bars and rods imported from?
Concrete reinforcing bars and rods is imported into the U.S. primarily from JAPAN, TURKEY, and VIRGIN ISLANDS, U.S..
Find Concrete reinforcing bars and rods importers & suppliers
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