Underground mining machinery manufacturing · Illinois

TT Technologies, Inc.

Aurora, IL · ~44 workers · 5 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.2
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

TT Technologies, Inc. runs at 98% of its industry's injury rate - about level with the typical Underground mining machinery manufacturing workplace, earning a grade C.

TT Technologies, Inc.: 3.2 TCR = 98% of Underground mining machinery manufacturing BLS 3.3 · 5y Form 300A (see methodology below)

TT Technologies, Inc. safety composite

TT Technologies, Inc. scores strongest on dart rate (safer than 81% of same-industry peers) and weakest on total case rate (tcr) (safer than 50%), 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

61/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.24 per 100 workers

Safer than 50% of industry peers

DART rate
B 0 per 100 workers

Safer than 81% 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

−12.6

2016→2022

TT Technologies, Inc. injury rate improved

TT Technologies, Inc.'s TCR fell 12.6 from 12.6 in 2016 to 0.0 in 2022. Peak filing year was 2016 at 12.6 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

2016=12.6 · 2018=0.0 · 2019=1.8 · 2020=1.8 · 2022=0.0

OSHA ITA Form 300A scorecard

Establishment book 333131 · Aurora, IL AT/BELOW-IND · SMALL

Grade C · TCR 3.2 · 98% of ind

  • DART 0.0 DART
  • RANK #8/14
  • PHOTO Vroom Engineering an…
  • BOOK 5y book
  • INJ 5 inj
  • SIZE ~44 FTE

Nearest TCR peer: Vroom Engineering and Manufacturing, Inc. (0.0 TCR gap)

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

TT Technologies, Inc. in the TCR neighbourhood

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

TCR

What this shows TT Technologies, Inc. averages 3.2 TCR (98% of the Underground mining machinery manufacturing BLS benchmark).

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

TT Technologies, Inc. TCR series: 2016=12.6 · 2018=0 · 2019=1.8 · 2020=1.8 · 2022=0 · BLS 3.3

Where TT Technologies, Inc. falls in its industry

105 Underground mining machinery m establishments

Safer than 50% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 14 Underground mining machinery m employers in Illinois.

TT Technologies, Inc. (44 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 80 employees and a TCR of 3.3 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 0200400600800 05101520 Average employees Total Case Rate TT Technologies, Inc.
TT Technologies, Inc. (44 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 80 employees and a TCR of 3.3

TT Technologies, Inc. has fewer employees than the Underground mining machinery manufacturi median and a lower injury rate than the industry's median TCR of 3.3. 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 0.0 0.0 0 0 0
2020 1.8 1.8 1 0 0
2019 1.8 0.0 1 0 0
2018 0.0 0.0 0 0 0
2016 12.6 4.2 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

333131 · IL · Aurora

105 Underground mining machinery manufacturing employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 325 employers in Aurora, IL · 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 Vroom Engineering and Manufacturing, Inc. 3.3 TCR
NAICS-TCR Roanoke PC Office 3.2 TCR
NAICS-TCR Miller Sales and Engineering 3.3 TCR
NAICS-TCR Clarks Summit Store 3.2 TCR
STATE-SIZE Main Office 44 FTE
STATE-SIZE 2570-Thomasboro, IL (Monsanto Co.) 44 FTE
STATE-SIZE Eastern Illini Electric Cooperative Paxton Headquarters 44 FTE
STATE-SIZE Eastern Illini Elec. Coop. Paxton Heaquarters 44 FTE
CITY-NEAR Indian Prairie School District 204 3,309 FTE
CITY-NEAR Factor Aurora 2,167 FTE
CITY-NEAR Rush Copley Medical Center, Inc. 2,163 FTE
CITY-NEAR ANDY FRAIN SERVICES INC 2,100 FTE
NAT-TCR tkSCS Livermore Discovery 3.2 TCR
NAT-TCR Big Y Foods, Inc. Stratford 3.2 TCR
NAT-TCR Windom 3.2 TCR
NAT-TCR 2904-ASM-LA 3.2 TCR
NAT-SIZE Masou - Southborough 44 FTE
NAT-SIZE HG318 44 FTE
NAT-SIZE Alpha Omega Recycling 44 FTE
NAT-SIZE Prime Storage Salem LLC 44 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: 2022, 2020, 2019, 2018, 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.