Blower filter units manufacturing · South Dakota

Twin City Fan & BLower

Brookings, SD · ~50 workers · 2 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.0
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Twin City Fan & BLower runs at 90% of its industry's injury rate - about level with the typical Blower filter units manufacturing workplace, earning a grade C.

Twin City Fan & BLower: 3.0 TCR = 90% of Blower filter units manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Twin City Fan & BLower safety composite

Twin City Fan & BLower scores strongest on total case rate (tcr) (safer than 52% of same-industry peers) and weakest on dart rate (safer than 39%), 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).

D

47/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 2.96 per 100 workers

Safer than 52% of industry peers

DART rate
D 2.26 per 100 workers

Safer than 39% of industry peers

Fatalities
D 0

Safer than 50% 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

Twin City Fan & BLower: 1.4 → 4.5 TCR

Peak year 2024 @ 4.5 TCR · DART/TCR 0.76× in 2024

Twin City Fan & BLower's TCR rose 3.2 from 1.4 in 2023 to 4.5 in 2024. In 2024, DART was 0.76× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 333413 · Brookings, SD AT/BELOW-IND · SMALL

Grade C · TCR 3.0 · 90% of ind

  • DART 2.3 DART
  • RANK #1/7
  • PHOTO Camfil APC
  • BOOK 2y book
  • INJ 3 inj
  • SIZE ~50 FTE

Nearest TCR peer: Camfil APC (0.0 TCR gap)

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

Twin City Fan & BLower in the TCR neighbourhood

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

TCR

What this shows Twin City Fan & BLower averages 3.0 TCR (90% of the Blower filter units manufacturing BLS benchmark).

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

Twin City Fan & BLower TCR series: 2023=1.4 · 2024=4.5 · BLS 3.3

Where Twin City Fan & BLower falls in its industry

232 Blower filter units manufactur establishments

Safer than 52% of graded establishments in this industry, whose median TCR is 3.1.

More dangerous than peersSafer than peers

Narrower to South Dakota alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 7 Blower filter units manufactur employers in South Dakota.

Twin City Fan & BLower (50 employees, TCR 3.0) among 29 same-industry peers, split at the industry median of 85 employees and a TCR of 3.1 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 0100200300400500 05101520 Average employees Total Case Rate Twin City Fan & BLower
Twin City Fan & BLower (50 employees, TCR 3.0) among 29 same-industry peers, split at the industry median of 85 employees and a TCR of 3.1

Twin City Fan & BLower has fewer employees than the Blower filter units manufacturing median and a lower injury rate than the industry's median TCR of 3.1. 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 4.5 2.3 2 0 0
2023 1.4 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333413 · SD · Brookings

232 Blower filter units manufacturing employers nationwide with a credible TCR · 1,778 rated employers in South Dakota with headcount on file · 59 employers in Brookings, SD · 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 Camfil APC 3.0 TCR
NAICS-TCR AirPro Fan & Blower co. -WEST 3.0 TCR
NAICS-TCR AAF Flanders Hudson 2.9 TCR
NAICS-TCR AAF Flanders Atlanta 2.9 TCR
STATE-SIZE Mustang Seeds, Inc. 50 FTE
STATE-SIZE Jensen Rock & Sand Aberdeen 50 FTE
STATE-SIZE Sterling Technology 50 FTE
STATE-SIZE Michael Foods - NPE Flandreau 50 FTE
CITY-NEAR SD01-DAKT-SOUTH DAKOTA BROOKINGS 1,406 FTE
CITY-NEAR Brookings 1,154 FTE
CITY-NEAR 1538 379 FTE
CITY-NEAR Larson Mfg. LLC 378 FTE
NAT-TCR Badgerland De Pere 3.0 TCR
NAT-TCR Chem32 LLC 3.0 TCR
NAT-TCR Montaplast of North America Inc 3.0 TCR
NAT-TCR STR0348 3.0 TCR
NAT-SIZE Carriage Inn Bryan 50 FTE
NAT-SIZE Buffalo Rock Talladega 50 FTE
NAT-SIZE Desimone Logistics LLC 50 FTE
NAT-SIZE Evans & Associates Construction Company 50 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. 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.