Guided missile and space vehicle engine manufacturing · Utah
Northrop Grumman/Propulsion Systems - Promontory
Brigham City, UT · ~1,607 workers · 4 years of OSHA Injury Tracking Application data.
- A
- Excellent Safety Record
- 0.7
- Avg TCR
- 3.3
- Industry avg
- 0
- Fatalities
The verdict
Northrop Grumman/Propulsion Systems - Promontory runs at 22% of its industry's injury rate - far safer than the typical Guided missile and space vehicle engine manufacturing workplace, earning a grade A.
Northrop Grumman/Propulsion Systems - Promontory: 0.7 TCR = 22% of Guided missile and space vehicle engine manufacturing BLS 3.3 · 4y Form 300A (see methodology below)
Northrop Grumman/Propulsion Systems - Promontory safety composite
Northrop Grumman/Propulsion Systems - Promontory scores strongest on total case rate (tcr) (safer than 67% of same-industry peers) and weakest on dart rate (safer than 42%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).
54/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- C 0.73 per 100 workers
Safer than 67% of industry peers
- DART rate
- D 0.43 per 100 workers
Safer than 42% of industry peers
- Fatalities
- D 0
Safer than 51% of industry peers
Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).
Rising injury rate
Northrop Grumman/Propulsion Systems - Promontory: 0.5 → 0.9 TCR
Peak year 2020 @ 1.4 TCR · DART/TCR 0.59× in 2022
Northrop Grumman/Propulsion Systems - Promontory's TCR rose 0.4 from 0.5 in 2018 to 0.9 in 2022. Peak filing year was 2020 at 1.4 TCR. In 2022, DART was 0.59× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 336415 · Brigham City, UT AT/BELOW-IND · LARGE
Grade A · TCR 0.7 · 22% of ind
- DART 0.4 DART
- RANK #1/4
- PHOTO Aerojet Rocketdyne -…
- BOOK 4y book
- INJ 33 inj
- SIZE ~1,607 FTE
Nearest TCR peer: Aerojet Rocketdyne - Arlington (0.0 TCR gap)
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Northrop Grumman/Propulsion Systems - Promontory in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- Aerojet Rocket
Aerojet Rocketdyne - Los Angeles
0.8 TCR
- NGDS-WV01
NGDS-WV01
0.8 TCR
- Northrop Grumm
Northrop Grumman/Propulsion Systems - Florida Operations
0.8 TCR
- This site
Northrop Grumman/Propulsion Systems - Promontory
0.7 TCR
- Aerojet Rocket
Aerojet Rocketdyne - Arlington
0.7 TCR
What this shows Northrop Grumman/Propulsion Systems - Promontory averages 0.7 TCR (22% of the Guided missile and space vehicle engine manufacturing BLS benchmark).
Northrop Grumman/Propulsion Systems - Promontory TCR series: 2018=0.5 · 2019=0.1 · 2020=1.4 · 2022=0.9 · BLS 3.3
Where Northrop Grumman/Propulsion Systems - Promontory falls in its industry
48 Guided missile and space vehic establishmentsSafer than 67% of graded establishments in this industry, whose median TCR is 0.9.
Narrower to Utah alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 4 Guided missile and space vehic employers in Utah.
Northrop Grumman/Propulsion Systems - Promontory has more employees than the Guided missile and space vehicle engine median and a lower injury rate than the industry's median TCR of 0.9. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.
Year-by-Year Safety Data
| Year | TCR | DART | Injuries | Illnesses | Fatalities |
|---|---|---|---|---|---|
| 2022 | 0.9 | 0.4 | 10 | 6 | 0 |
| 2020 | 1.4 | 0.7 | 14 | 9 | 0 |
| 2019 | 0.1 | 0.1 | 2 | 0 | 0 |
| 2018 | 0.5 | 0.2 | 7 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
336415 · UT · Brigham City
48 Guided missile and space vehicle engine manufacturing employers nationwide with a credible TCR · 3,861 rated employers in Utah with headcount on file · 23 employers in Brigham City, UT · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.
| Rel | Establishment | Metric |
|---|---|---|
| NAICS-TCR | Aerojet Rocketdyne - Arlington | 0.7 TCR |
| NAICS-TCR | Aerojet Rocketdyne - Los Angeles | 0.8 TCR |
| NAICS-TCR | NGDS-WV01 | 0.8 TCR |
| NAICS-TCR | Northrop Grumman/Propulsion Systems - Florida Operations | 0.8 TCR |
| STATE-SIZE | AOA | 1,650 FTE |
| STATE-SIZE | ATK Space Systems LLC - Clearfield | 1,558 FTE |
| STATE-SIZE | Micron Technology Utah, LLC | 1,548 FTE |
| STATE-SIZE | St. Mark's Hospital | 1,669 FTE |
| CITY-NEAR | Autoliv Brigham City | 984 FTE |
| CITY-NEAR | Whitaker Construction Co. | 570 FTE |
| CITY-NEAR | Associated Brigham Contractors | 555 FTE |
| CITY-NEAR | Vulcraft Utah | 375 FTE |
| NAT-TCR | Division #70 | 0.7 TCR |
| NAT-TCR | Butterfield | 0.7 TCR |
| NAT-TCR | Forms+Surfaces DBA Cornelius Signage | 0.7 TCR |
| NAT-TCR | MedVet Campbell | 0.7 TCR |
| NAT-SIZE | Headquarters | 1,607 FTE |
| NAT-SIZE | Sahara Las Vegas | 1,607 FTE |
| NAT-SIZE | Corporate Office - H1 | 1,607 FTE |
| NAT-SIZE | Moon Township N Sales Pa | 1,607 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.