Sumitomo Electric Interconnect Products, INC.

What they make

• tubing
• identification sleeves
• cable markers
• devices
• aerospace
• military
• automotive
• medical markets

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

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Every listed plant in San Diego County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, AIRS/AFS, CA-ENVIROVIEW, EIS, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record MXS9XJGRRLS3 · first seen MAY 2026 · last seen MAY 2026
• OSHA injury and illness reportsOPERATING
  Record 1284308 · first seen DEC 2025 · last seen DEC 2025
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2023 · last seen DEC 2023
• EPA Facility Registry ServiceEXISTENCE
  Record 110020517083 · first seen NOV 2018 · last seen NOV 2018

ALSO RECORDED ASSUMITOMO ELECTRIC INTERCONNECT; Sumitomo Exlectric Interconnect Products, Inc.

IN SAN DIEGO COUNTY72 other plants share this one’s industry (Other Chemical Product and Preparation Manufacturing, NAICS 3259); 10 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

NameSOURCES DISAGREE

EPA: SUMITOMO ELECTRIC INTERCONNECT · JUL 2026

SAM.gov: SUMITOMO ELECTRIC INTERCONNECT PRODUCTS, INC. · MAY 2026 · ON THIS PAGE

Street address

EPA: 915 ARMORLITE DR · JUL 2026 · ON THIS PAGE

SAM.gov: 915 ARMORLITE DR · MAY 2026 · ON THIS PAGE

City

EPA: SAN MARCOS · JUL 2026 · ON THIS PAGE

SAM.gov: SAN MARCOS · MAY 2026 · ON THIS PAGE

State

EPA: CA · JUL 2026 · ON THIS PAGE

SAM.gov: CA · MAY 2026 · ON THIS PAGE

County (FIPS code)

EPA: 06073 · SEP 2026

Coordinates

Census geocoder: 33.144139203673,-117.182412706421 · JUL 2026 · ON THIS PAGE

EPA: 33.144137,-117.182251 · JUL 2026 · ON THIS PAGE

Employees (band)

OSHA: 100-499 · DEC 2025

Website

SAM.gov: www.seipusa.com · MAY 2026

CAGE code

SAM.gov: 1JX75 · MAY 2026

SAM registration expires

SAM.gov: 2027-05-27 · MAY 2026