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SIGMA CORP

SIGMA CORP is a U.S. importer with 17,154 bill-of-lading shipment records between Jan 2020 and Jun 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 held steady over the past 12 months versus the prior year.

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through June 2026

Total shipments
17,154
First seen
Jan 2020
Last seen
Jun 2026
Origin countries
10

Shipments over time (last 24 months)

2024-072026-06

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 1,832 shipments, followed by SHAANXI FANGZHI TRADE COMPANY → Vises, clamps and the like, and parts thereof (1,098) and CHINA UNITED ELECTRIC IMPORT & EXPO → Cast fittings, other (933).

Top suppliers

SupplierShipments
CALCUTTA EXPORT COMPANY2,619
SHAANXI FANGZHI TRADE COMPANY1,864
SHAANXI FANGZHI TRADE CO LTD1,705
CHINA UNITED ELECTRIC IMPORT & EXPO944
GLOBAL CASTINGS PVT LTD823
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Top products (HS codes)

Product (HS code)Shipments
Other cast articles of iron or steel, other (732599)4,531
Cast fittings, other (730719)4,219
Vises, clamps and the like, and parts thereof (820570)1,632
Parts of taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves (848190)886
Waste and scrap of cast iron (720410)749
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Origin countries

CountryShipments
CHINA7,102
INDIA4,668
SRI LANKA2,063
SINGAPORE1,022
ROMANIA529
REPUBLIC OF KOREA411
SPAIN277
MALAYSIA160
BELGIUM149
EGYPT144

Ports of unlading

U.S. portShipments
NEW YORK/NEWARK AREA, NEWARK, NJ3,529
SAVANNAH, GA3,437
HOUSTON, TX3,150
LONG BEACH, CA2,123
LOS ANGELES, CA1,318
SEATTLE, WA835
NORFOLK, VA785
MOBILE, AL642
NEW YORK, NY425
TACOMA, WA344

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 17,154 U.S. import shipment records for SIGMA CORP, spanning Jan 2020 to Jun 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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