Air filters, automotive, truck, and bus, manufacturing · Tennessee

Mann+Hummel USA,INC. Plant 3

Dunlap, TN · ~371 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.7
Avg TCR
5.4
Industry avg
0
Fatalities
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The verdict

Mann+Hummel USA,INC. Plant 3 runs at 50% of its industry's injury rate - safer than the typical Air filters, automotive, truck, and bus, manufacturing workplace, earning a grade B.

Mann+Hummel USA,INC. Plant 3: 2.7 TCR = 50% of Air filters, automotive, truck, and bus, manufacturing BLS 5.4 · 3y Form 300A (see methodology below)

Mann+Hummel USA,INC. Plant 3 safety composite

Mann+Hummel USA,INC. Plant 3 scores strongest on dart rate (safer than 76% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

C

63/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.72 per 100 workers

Safer than 59% of industry peers

DART rate
B 0.23 per 100 workers

Safer than 76% 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%).

TCR Δ

−2.5

2022→2024

Mann+Hummel USA,INC. Plant 3 injury rate improved

Mann+Hummel USA,INC. Plant 3's TCR fell 2.5 from 4.1 in 2022 to 1.6 in 2024. Peak filing year was 2022 at 4.1 TCR. In 2024, DART was 0.08× this establishment's average TCR (severity share of cases).

2022=4.1 · 2023=2.5 · 2024=1.6

OSHA ITA Form 300A scorecard

Establishment book 336390 · Dunlap, TN AT/BELOW-IND · MID

Grade B · TCR 2.7 · 50% of ind

  • DART 0.2 DART
  • RANK #19/37
  • PHOTO AGS South
  • BOOK 3y book
  • INJ 33 inj
  • SIZE ~371 FTE

Nearest TCR peer: AGS South (0.0 TCR gap)

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

Mann+Hummel USA,INC. Plant 3 in the TCR neighbourhood

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

TCR

What this shows Mann+Hummel USA,INC. Plant 3 averages 2.7 TCR (50% of the Air filters, automotive, truck, and bus, manufacturing BLS benchmark).

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

Mann+Hummel USA,INC. Plant 3 TCR series: 2022=4.1 · 2023=2.5 · 2024=1.6 · BLS 5.4

Where Mann+Hummel USA,INC. Plant 3 falls in its industry

772 Air filters, automotive, truck establishments

Safer than 59% of graded establishments in this industry, whose median TCR is 3.2.

More dangerous than peersSafer than peers

Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #19 safest of 37 Air filters, automotive, truck employers in Tennessee.

Mann+Hummel USA,INC. Plant 3 (371 employees, TCR 2.7) among 29 same-industry peers, split at the industry median of 154 employees and a TCR of 3.2 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 02004006008001,000 051015 Average employees Total Case Rate Mann+Hummel USA,INC. Plant 3
Mann+Hummel USA,INC. Plant 3 (371 employees, TCR 2.7) among 29 same-industry peers, split at the industry median of 154 employees and a TCR of 3.2

Mann+Hummel USA,INC. Plant 3 has more employees than the Air filters, automotive, truck, and bus, median and a lower injury rate than the industry's median TCR of 3.2. 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
2024 1.6 0.2 7 0 0
2023 2.5 0.5 11 0 0
2022 4.1 0.3 15 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

336390 · TN · Dunlap

772 Air filters, automotive, truck, and bus, manufacturing employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 10 employers in Dunlap, 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 AGS South 2.7 TCR
NAICS-TCR Magna International - Grand Haven 2.7 TCR
NAICS-TCR The Carlstar Group 2.7 TCR
NAICS-TCR Donaldson Company 2.7 TCR
STATE-SIZE WM 668 371 FTE
STATE-SIZE WM 264 371 FTE
STATE-SIZE Warren County - All County Executive Employees (Excluding Highway Dept) 371 FTE
STATE-SIZE AWG, Nashville 370 FTE
CITY-NEAR Sequatchie EMC 6,606 FTE
CITY-NEAR MANN+HUMMEL Plant 3 Dunlap,TN 325 FTE
CITY-NEAR WM 4226 210 FTE
CITY-NEAR 4226 180 FTE
NAT-TCR Magna International - Grand Haven 2.7 TCR
NAT-TCR City of Waseca - City Hall 2.7 TCR
NAT-TCR American Standard Brands 2.7 TCR
NAT-TCR Altercare Thornville, Inc. 2.7 TCR
NAT-SIZE Peko 1400 371 FTE
NAT-SIZE AMA Plastics Corp 371 FTE
NAT-SIZE Sanko Gosei Technologies USA 371 FTE
NAT-SIZE Dicastal North America 371 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: 2024, 2023, 2022. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.