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FIRMS code

W937 EnerSys Delaware, Inc.

Deleted Foreign trade zone

This code is deleted in CBP's FIRMS list. Don't use it on new filings. FIRMSapi keeps deleted codes so lookups of old paperwork still resolve; check the port listing for a replacement.

Facility details

FIRMS code
W937
Name
EnerSys Delaware, Inc.
Address
5580 Edison Ave, Bldg 7
Chino, CA 91710-6936
Status
Deleted (D)
Facility type
Foreign trade zone (02)
CBP port
Los Angeles, CA (2704)
CBP region
7
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate W937 before you file

Validation fails W937: it's deleted, the reject ACE returns as 159. Search the port for an active replacement. 

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"W937","port":"2704","use":"ftz_admission"}'
Get a free key Validation guide

Source: U.S. Customs and Border Protection FIRMS code list, data as of 2026-10-23. FIRMSapi is not affiliated with CBP; confirm bond status and filing details in ACE.