# Northrop Grumman Marine Systems (NORTHROP GRUMMAN CORP): 35,131 tCO2e in 2023

**Score:** 55/100

| Field | Value |
|---|---|
| Facility | Northrop Grumman Marine Systems |
| Parent company | NORTHROP GRUMMAN CORP |
| Sector | Other industrial |
| Address | 401 East Hendy Avenue, MS 16-1, Sunnyvale, CA, 94088 |
| NAICS | 333612 |
| Reporting year | 2023 |
| Total tCO2e | 35,131 |
| Prior-year tCO2e | 29,084 |
| Change | +20.8% |

## Why this score
- Emissions up 20.8% year over year.
- Parent company on record.

Source: U.S. EPA Greenhouse Gas Reporting Program (GHGRP) via Envirofacts (https://ghgdata.epa.gov/ghgp/service/facilityDetail/2023?id=1014201&ds=E&et=&popup=true). Last refreshed: 2026-11-03T01:39:43.268Z.
From EPA's Greenhouse Gas Reporting Program as published in Envirofacts. Facilities self-report; totals cover direct emissions in CO2-equivalent for the latest published reporting year. Reported emissions are not findings of any violation.