SIGMA CORP
SIGMA CORP is a U.S. importer with 19,582 bill-of-lading shipment records between Jan 2020 and Aug 2026. It is the largest U.S. importer of Other cast articles of iron or steel, other (HS 732599) by shipment count. Its top suppliers include CALCUTTA EXPORT COMPANY, SHAANXI FANGZHI TRADE COMPANY, and SHAANXI FANGZHI TRADE CO LTD, primarily importing HS code 732599. Goods originate mainly from CHINA and INDIA, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. Shipment volume has declined 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/company/sigma-corp
See all 19,582 shipments of SIGMA CORP with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → products
What SIGMA CORP imports and from whom — the strongest supplier-product relationships in its shipment records. Hover a ribbon for details; click a name to open its profile.
The largest relationship is CALCUTTA EXPORT COMPANY → Other cast articles of iron or steel, other with 2,068 shipments, followed by SHAANXI FANGZHI TRADE COMPANY → Vises, clamps and the like, and parts thereof (1,225) and CHINA UNITED ELECTRIC IMPORT & EXPO → Cast fittings, other (1,068).
Top suppliers
| Supplier | Shipments |
|---|---|
| CALCUTTA EXPORT COMPANY | 3,025 |
| SHAANXI FANGZHI TRADE COMPANY | 2,077 |
| SHAANXI FANGZHI TRADE CO LTD | 1,957 |
| CHINA UNITED ELECTRIC IMPORT & EXPO | 1,080 |
| GLOBAL CASTINGS PVT LTD | 918 |
| HIMTECH CASTINGS PLOT | 894 |
| KAJARIA IRON & STEEL CO PVT LTD | 826 |
| VITECH DEVELOPMENT LIMITED | 799 |
| HIMGIRI CASTINGS PVT LTD | 613 |
| CHINA NATIONAL ELECTRIC IMPORT AND | 561 |
Top products (HS codes)
Unlock SIGMA CORP’s full product & HS-code breakdownOrigin countries
| Country | Shipments |
|---|---|
| CHINA | 8,098 |
| INDIA | 5,313 |
| SRI LANKA | 2,510 |
| SINGAPORE | 1,072 |
| ROMANIA | 619 |
| REPUBLIC OF KOREA | 456 |
| SPAIN | 303 |
| MALAYSIA | 196 |
| EGYPT | 161 |
| BELGIUM | 158 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 4,029 |
| SAVANNAH, GA | 3,956 |
| HOUSTON, TX | 3,554 |
| LONG BEACH, CA | 2,379 |
| LOS ANGELES, CA | 1,539 |
| SEATTLE, WA | 951 |
| NORFOLK, VA | 924 |
| MOBILE, AL | 729 |
| NEW YORK, NY | 485 |
| TACOMA, WA | 384 |
Other U.S. importers of Other cast articles of iron or steel, other
Companies that also import Other cast articles of iron or steel, other (HS 732599), ranked by shipment volume.
Frequently asked questions about SIGMA CORP
Who are SIGMA CORP's top suppliers?
Based on U.S. Customs bill-of-lading records, SIGMA CORP's top suppliers include CALCUTTA EXPORT COMPANY, SHAANXI FANGZHI TRADE COMPANY, SHAANXI FANGZHI TRADE CO LTD, CHINA UNITED ELECTRIC IMPORT & EXPO, and GLOBAL CASTINGS PVT LTD.
What does SIGMA CORP import?
SIGMA CORP's most frequent imports fall under HS codes 732599, 730719, and 820570.
Is SIGMA CORP a major importer of Other cast articles of iron or steel, other?
Yes — based on U.S. Customs bill-of-lading shipment counts, SIGMA CORP is the largest U.S. importer of Other cast articles of iron or steel, other (HS 732599).
Where does SIGMA CORP import from?
SIGMA CORP imports primarily from CHINA, INDIA, and SRI LANKA.
How many shipments does SIGMA CORP have?
ImportDoor has 19,582 U.S. import shipment records for SIGMA CORP, spanning Jan 2020 to Aug 2026.
Which U.S. ports does SIGMA CORP use?
SIGMA CORP's shipments arrive primarily at NEW YORK/NEWARK AREA, NEWARK, NJ and SAVANNAH, GA.
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