Control transformers imports in the United States: data, top suppliers and prices
The United States imported $667.9 million of control transformers in 2024 (61.9 thousand tonnes). It ranks 1st of 217 countries for imports of this product. Value rose 17% on 2023. Across 2017-2024 the long-run trend was broadly stable.
Public statistics, latest complete year (2024). Values in US dollars. Page updated .
Imports by year, 2017-2024
Hover or tap a year for detail.
Year by year
| Year | Value | Quantity |
|---|---|---|
| 2024 | $667.9M | 61.9K t |
| 2023 | $572.8M | 22.8K t |
| 2022 | $617.3M | 22.2K t |
| 2021 | $481.0M | 15.1K t |
| 2020 | $393.0M | 14.0K t |
| 2019 | $435.2M | 16.4K t |
| 2018 | $488.1M | 17.6K t |
| 2017 | $459.1M | 17.8K t |
Where the United States imports control transformers from
Most of the value came from Mexico (28%), China (23%), India (8%). Among the main suppliers, Japan grew fastest (+423% on the year before).
| Supplier country | Value | Share |
|---|---|---|
| Mexico | $189.0M | 28% |
| China | $152.7M | 23% |
| India | $50.1M | 7.5% |
| Germany | $39.0M | 5.9% |
| Japan | $36.1M | 5.4% |
| Canada | $28.7M | 4.3% |
| Vietnam | $19.6M | 2.9% |
| Malaysia | $16.3M | 2.4% |
| Italy | $16.2M | 2.4% |
| Dominican Republic | $14.3M | 2.1% |
Average import price per kg
The average declared value was about $10.79 per kg, close to the world average of $11.75.
Declared value divided by weight, all 2024 shipments. Prices per shipment and per company are in EximDataX.
Control transformers exports from the United States
The United States exported $367.7 million of control transformers in 2024 (15.5 thousand tonnes). It ranks 3rd of 167 countries for exports of this product. The largest buyer markets were Mexico (30%), Canada (20%), Thailand (10%). Among the main buyer markets, China grew fastest (+105% on the year before).
| Destination | Value | Share |
|---|---|---|
| Mexico | $109.8M | 30% |
| Canada | $74.6M | 20% |
| Thailand | $36.4M | 9.9% |
| China | $24.3M | 6.6% |
| Malaysia | $16.9M | 4.6% |
| United Kingdom | $10.4M | 2.8% |
| Germany | $10.0M | 2.7% |
| Japan | $7.7M | 2.1% |
| India | $5.9M | 1.6% |
| France | $5.2M | 1.4% |
Who is behind these numbers in the United States?
The shipment records behind United States control transformers imports (HS 8504.31): companies, dates, quantities and declared values.
Shipment records are in the platform
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Direct customs feed: shipment-level records from the official customs source.
Source: CEPII BACI (reconciled UN Comtrade data), HS 2017 edition, release 202601, Etalab Open Licence 2.0. Annual values in US dollars at the customs border; quantities in tonnes where reported. HS 8504.31: Electrical transformers: n.e.c. in item no. 8504.2, having a power handling capacity not exceeding 1kVA.
Common questions
What is the value of control transformers imported by the United States?
The United States imported control transformers worth $667.9 million in 2024, the latest year with complete public data, about 61.9 thousand tonnes. That ranks it 1st of 217 countries worldwide, with 12% of world imports. The value was up 17% on 2023.
Which countries supply control transformers to the United States?
Mexico was the largest supplier with 28% of the value ($189.0 million), followed by China (23%) and India (8%). The top three together account for 59%, out of 83 supplier countries in total. Japan grew fastest among the top ten, up 423% on the year.
What is the average import price of control transformers per kg?
The average declared import value was about $10.79 per kg in 2024, 8% below the world average of $11.75 per kg. Declared value divided by weight mixes every grade, so read it as a benchmark rather than a quote.
How have imports of control transformers to the United States changed since 2017?
Imports went from $459.1 million in 2017 to $667.9 million in 2024, an increase of 45%. 2024 was the highest year in the period. Over 8 years the average was $514.3 million a year.
Does the United States also export control transformers?
Yes. The United States exported $367.7 million worth of this product in 2024, mainly to Mexico, Canada and Thailand. On balance the United States is a net importer of this product, by about $300.2 million a year.
What is the HS code for control transformers?
The HS code for control transformers is subheading 8504.31. It sits in HS chapter 85 (electrical machinery and equipment and parts thereof; sound recorders and reproducers; television image and sound recorders and reproducers, parts and accessories of such articles). The full list of codes and descriptions is on the HS 8504 page.
How can I find the companies behind this trade?
The totals here are public statistics; the company-level detail sits in EximDataX, which has a direct customs feed for the United States. Tell us your product to see it live.
Same product, other countries
World control transformers trade: top importers and exporters
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