Assembly plants, passenger car, on chassis of own manufacture · Tennessee

Spring Hill Manufacturing

Spring Hill, TN · ~3,514 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.9
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Spring Hill Manufacturing runs at 361% of its industry's injury rate - far more dangerous than the typical Assembly plants, passenger car, on chassis of own manufacture workplace, earning a grade F.

Spring Hill Manufacturing: 11.9 TCR = 361% of Assembly plants, passenger car, on chassis of own manufacture BLS 3.3 · 4y Form 300A (see methodology below)

Spring Hill Manufacturing safety composite

Spring Hill Manufacturing scores strongest on fatalities (safer than 52% of same-industry peers) and weakest on dart rate (safer than 5%), 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).

F

18/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.9 per 100 workers

Safer than 9% of industry peers

DART rate
F 9.2 per 100 workers

Safer than 5% of industry peers

Fatalities
D 0

Safer than 52% 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

Spring Hill Manufacturing: 8.6 → 15.3 TCR

Peak year 2019 @ 15.3 TCR · DART/TCR 0.77× in 2019

Spring Hill Manufacturing's TCR rose 6.7 from 8.6 in 2016 to 15.3 in 2019. In 2019, DART was 0.77× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 336111 · Spring Hill, TN ABOVE-IND · LARGE

Grade F · TCR 11.9 · 361% of ind

  • DART 9.2 DART
  • RANK #14/15
  • PHOTO Fairfax Assembly and…
  • BOOK 4y book
  • INJ 1,278 inj
  • SIZE ~3,514 FTE

Nearest TCR peer: Fairfax Assembly and Stamping (0.5 TCR gap)

Read with this employer → · Industry book → · Tennessee employers → · Look up another →

Spring Hill Manufacturing in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Spring Hill Manufacturing averages 11.9 TCR (361% of the Assembly plants, passenger car, on chassis of own manufacture BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Spring Hill Manufacturing TCR series: 2016=8.6 · 2017=12.6 · 2018=11.1 · 2019=15.3 · BLS 3.3

Where Spring Hill Manufacturing falls in its industry

158 Assembly plants, passenger car establishments

Safer than 9% of graded establishments in this industry, whose median TCR is 4.4.

More dangerous than peersSafer than peers

Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #14 safest of 15 Assembly plants, passenger car employers in Tennessee.

Spring Hill Manufacturing (3,514 employees, TCR 11.9) among 29 same-industry peers, split at the industry median of 366 employees and a TCR of 4.4 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 05,00010,00015,000 0102030 Average employees Total Case Rate Spring Hill Manufacturing
Spring Hill Manufacturing (3,514 employees, TCR 11.9) among 29 same-industry peers, split at the industry median of 366 employees and a TCR of 4.4

Spring Hill Manufacturing has more employees than the Assembly plants, passenger car, on chass median and a higher injury rate than the industry's median TCR of 4.4. 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
2019 15.3 9.2 396 75 0
2018 11.1 7.9 274 59 0
2017 12.6 8.3 370 88 0
2016 8.6 5.0 238 57 0

OSHA ITA peer cross-reference

Establishment peer ledger

336111 · TN · Spring Hill

158 Assembly plants, passenger car, on chassis of own manufacture employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 36 employers in Spring Hill, TN · 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 Fairfax Assembly and Stamping 12.4 TCR
NAICS-TCR WGS Athens - Ironcraft 11.3 TCR
NAICS-TCR Toyota Motor Mfg. Mississippi 13.2 TCR
NAICS-TCR Etowah Plant 10.6 TCR
STATE-SIZE General Motors Springhill ASSY 3,688 FTE
STATE-SIZE Nike Apparel 3,766 FTE
STATE-SIZE Chattanooga, TN (WC USX CHT) 3,803 FTE
STATE-SIZE Varsity Brands 3,819 FTE
CITY-NEAR Spring Hill LOC 909 FTE
CITY-NEAR Ultium Cells, LLC Spring Hill 887 FTE
CITY-NEAR Magna Spring Hill Seating System 545 FTE
CITY-NEAR Armada Nutrition 479 FTE
NAT-TCR Sonoma Valley School District 11.9 TCR
NAT-TCR Walnut Creek Assisted Living & Memory Care 11.9 TCR
NAT-TCR City of Chicago Dept of Fleet and Facility Management - 5215 S. Western Blvd 11.9 TCR
NAT-TCR Pensacola Interstate Fairgrounds 11.9 TCR
NAT-SIZE Yale New Haven Health Services Corporation 3,514 FTE
NAT-SIZE Allegheny General Hospital 3,513 FTE
NAT-SIZE Sony Pictures Entertainment 3,516 FTE
NAT-SIZE Amazon.com Services LLC - OAK4 3,512 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.