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FIRMS code

S137 M-I L.L.C. 01

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
S137
Name
M-I L.L.C. 01
Address
4750 Old Port Industrial Blvd
Galveston, TX 77550
Status
Deleted (D)
Facility type
Foreign trade zone (02)
CBP port
Galveston, TX (5310)
CBP region
6
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate S137 before you file

Validation fails S137: 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":"S137","port":"5310","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.