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SIGMA CORP

SIGMA CORP is a U.S. importer with 17,275 bill-of-lading shipment records between Jan 2020 and May 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 May 2026

Total shipments
17,275
First seen
Jan 2020
Last seen
May 2026
Origin countries
10

Shipments over time (last 24 months)

2024-062026-05

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 1,872 shipments, followed by SHAANXI FANGZHI TRADE COMPANY → Vises, clamps and the like, and parts thereof (1,129) and CHINA UNITED ELECTRIC IMPORT & EXPO → Cast fittings, other (949).

Top suppliers

SupplierShipments
CALCUTTA EXPORT COMPANY2,633
SHAANXI FANGZHI TRADE COMPANY1,885
SHAANXI FANGZHI TRADE CO LTD1,713
CHINA UNITED ELECTRIC IMPORT & EXPO961
GLOBAL CASTINGS PVT LTD847
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Top products (HS codes)

Product (HS code)Shipments
Other cast articles of iron or steel, other (732599)4,610
Cast fittings, other (730719)4,257
Vises, clamps and the like, and parts thereof (820570)1,666
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)881
Waste and scrap of cast iron (720410)754
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Origin countries

CountryShipments
CHINA7,190
INDIA4,668
SRI LANKA2,076
SINGAPORE1,028
ROMANIA531
REPUBLIC OF KOREA407
SPAIN282
MALAYSIA172
BELGIUM153
EGYPT144

Ports of unlading

U.S. portShipments
NEW YORK/NEWARK AREA, NEWARK, NJ3,560
SAVANNAH, GA3,480
HOUSTON, TX3,156
LONG BEACH, CA2,130
LOS ANGELES, CA1,343
SEATTLE, WA840
NORFOLK, VA760
MOBILE, AL652
NEW YORK, NY439
TACOMA, WA347

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 17,275 U.S. import shipment records for SIGMA CORP, spanning Jan 2020 to May 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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