Automatic regulating or controlling instruments and apparatus, thermostats (HS 903210)
Automatic regulating or controlling instruments and apparatus, thermostats (HS 903210) has 12,403 U.S. import bill-of-lading shipment records between Mar 2018 and Aug 2026. The largest U.S. importer of Automatic regulating or controlling instruments and apparatus, thermostats is ADEMCO INC, with 403 shipments, followed by JOHNSON CONTROLS INC and NORTH POLE STAR S DE R L DE C V. The leading supplier is NIPPON THERMOSTAT CO LTD, with 512 shipments, followed by COMPUTIME LIMITED and DANFOSS INDUSTRIES SA DE CV. Goods originate mainly from CHINA and GERMANY, 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 August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/903210-automatic-regulating-or-controlling-instruments-and-apparatus-thermostats
See all 12,403 shipments of HS 903210 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Automatic regulating or controlling instruments and apparatus, thermostats (HS 903210), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is NIPPON THERMOSTAT CO LTD → NORTH POLE STAR S DE R L DE C V with 164 shipments, followed by NIPPON THERMOSTAT CO LTD → DMAX LTD (120) and COMPUTIME LIMITED → TRANE U S INC (117).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ADEMCO INC | 403 |
| JOHNSON CONTROLS INC | 185 |
| NORTH POLE STAR S DE R L DE C V | 167 |
| ROBERTSHAW CONTROLS COMPANY | 162 |
| JOHNDOW INDUSTRIES | 157 |
| ELECTRICAL COMPONENTS INTERNATIONAL | 134 |
| DMAX LTD | 120 |
| TRANE U S INC | 111 |
| ALLSOURCE LOGISTICS | 104 |
| TRANE US INC | 100 |
Top suppliers
| Supplier | Shipments |
|---|---|
| NIPPON THERMOSTAT CO LTD | 512 |
| COMPUTIME LIMITED | 310 |
| DANFOSS INDUSTRIES SA DE CV | 262 |
| ESSEN TECH CO LTD | 262 |
| SEVECO GLOBAL LTD | 251 |
| RESIDEO SMART HOMES TECHNOLOGY TIA | 235 |
| DONGFENG FUJI THOMSON THERMOSTAT CO | 207 |
| INCHANG ELECTRONICS CO LTD | 188 |
| THERMASTER ELECTRONIC XIAMEN LTD | 160 |
| MAARS PARTITIONING SYSTEMS BV | 151 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 5,022 |
| GERMANY | 815 |
| REPUBLIC OF KOREA | 782 |
| MALAYSIA | 679 |
| JAPAN | 661 |
| MEXICO | 617 |
| ITALY | 494 |
| HONG KONG | 462 |
| BELGIUM | 310 |
| SINGAPORE | 266 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 2,892 |
| LONG BEACH, CA | 2,440 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 2,417 |
| HOUSTON, TX | 1,036 |
| TACOMA, WA | 693 |
| CHARLESTON, SC | 407 |
| SAVANNAH, GA | 407 |
| SEATTLE, WA | 405 |
| NORFOLK, VA | 363 |
| MIAMI, FL | 343 |
Harmonized System classification
HS code 903210 — Automatic regulating or controlling instruments and apparatus, thermostats. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
More products under HS 9032
Other six-digit codes in HS 9032: Automatic regulating or controlling instruments and apparatus, with their U.S. import volume.
Frequently asked questions about importing Automatic regulating or controlling instruments and apparatus, thermostats
Who imports Automatic regulating or controlling instruments and apparatus, thermostats (HS 903210)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Automatic regulating or controlling instruments and apparatus, thermostats include ADEMCO INC, JOHNSON CONTROLS INC, NORTH POLE STAR S DE R L DE C V, ROBERTSHAW CONTROLS COMPANY, and JOHNDOW INDUSTRIES.
Who is the largest U.S. importer of Automatic regulating or controlling instruments and apparatus, thermostats?
ADEMCO INC is the largest U.S. importer of Automatic regulating or controlling instruments and apparatus, thermostats (HS 903210), with 403 bill-of-lading shipment records.
Who are the top suppliers of Automatic regulating or controlling instruments and apparatus, thermostats?
Leading suppliers shipping Automatic regulating or controlling instruments and apparatus, thermostats (HS 903210) to the U.S. include NIPPON THERMOSTAT CO LTD, COMPUTIME LIMITED, DANFOSS INDUSTRIES SA DE CV, ESSEN TECH CO LTD, and SEVECO GLOBAL LTD.
How many U.S. shipments of Automatic regulating or controlling instruments and apparatus, thermostats are there?
ImportDoor has 12,403 U.S. import shipment records under HS code 903210, spanning Mar 2018 to Aug 2026.
Where is Automatic regulating or controlling instruments and apparatus, thermostats imported from?
Automatic regulating or controlling instruments and apparatus, thermostats is imported into the U.S. primarily from CHINA, GERMANY, and REPUBLIC OF KOREA.
Find Automatic regulating or controlling instruments and apparatus, thermostats importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 903210, with contact details and container-level shipment records on ImportDoor.
Start for free