Air system balancing and testing · Illinois

ThermFlo, Inc.

Buffalo Grove, IL · ~97 workers · 7 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

ThermFlo, Inc. runs at 114% of its industry's injury rate - about level with the typical Air system balancing and testing workplace, earning a grade C.

ThermFlo, Inc.: 3.2 TCR = 114% of Air system balancing and testing BLS 2.8 · 7y Form 300A (see methodology below)

ThermFlo, Inc. safety composite

ThermFlo, Inc. scores strongest on total case rate (tcr) (safer than 51% of same-industry peers) and weakest on dart rate (safer than 35%), 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

45/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.2 per 100 workers

Safer than 51% of industry peers

DART rate
D 2.39 per 100 workers

Safer than 35% 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

ThermFlo, Inc.: 1.1 → 2.4 TCR

Peak year 2022 @ 4.8 TCR · DART/TCR 0.75× in 2024

ThermFlo, Inc.'s TCR rose 1.2 from 1.1 in 2018 to 2.4 in 2024. Peak filing year was 2022 at 4.8 TCR. In 2024, DART was 0.75× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Buffalo Grove, IL ABOVE-IND · SMALL

Grade C · TCR 3.2 · 114% of ind

  • DART 2.4 DART
  • RANK #154/230
  • PHOTO Pumpman - Waterworks
  • BOOK 7y book
  • INJ 19 inj
  • SIZE ~97 FTE

Nearest TCR peer: Pumpman - Waterworks (0.0 TCR gap)

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

ThermFlo, Inc. in the TCR neighbourhood

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

TCR

What this shows ThermFlo, Inc. averages 3.2 TCR (114% of the Air system balancing and testing BLS benchmark).

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

ThermFlo, Inc. TCR series: 2018=1.1 · 2019=2.3 · 2020=3.5 · 2021=4.4 · 2022=4.8 · 2023=3.8 · 2024=2.4 · BLS 2.8

Where ThermFlo, Inc. falls in its industry

5,793 Air system balancing and testi establishments

Safer than 51% 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 #154 safest of 230 Air system balancing and testi employers in Illinois.

ThermFlo, Inc. (97 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 60 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 050100150200250 05101520 Average employees Total Case Rate ThermFlo, Inc.
ThermFlo, Inc. (97 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

ThermFlo, Inc. has more employees than the Air system balancing and testing 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
2024 2.4 2.4 2 0 0
2023 3.8 3.8 3 0 0
2022 4.8 4.8 4 0 0
2021 4.4 3.3 4 0 0
2020 3.5 2.4 3 0 0
2019 2.3 1.2 2 0 0
2018 1.1 1.1 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IL · Buffalo Grove

5,793 Air system balancing and testing employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 66 employers in Buffalo Grove, 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 Pumpman - Waterworks 3.2 TCR
NAICS-TCR Yankee Sheet Metal 3.2 TCR
NAICS-TCR Harry Grodsky & Co., Inc 3.2 TCR
NAICS-TCR Silco Fire & Security - Dayton 3.2 TCR
STATE-SIZE Ieso LLC 97 FTE
STATE-SIZE Fox Metro Water Reclamation District 97 FTE
STATE-SIZE pan oceanic engineering 97 FTE
STATE-SIZE M.I.V 97 FTE
CITY-NEAR Federal Building Services, Inc. 2,440 FTE
CITY-NEAR Flex - Buffalo Grove 1,217 FTE
CITY-NEAR Flex Buffalo Grove - 700 Building 798 FTE
CITY-NEAR BT Buffalo Grove 760 FTE
NAT-TCR CE GrRapids District Wide 3.2 TCR
NAT-TCR Arizona Dept. of Corrections-Safford 3.2 TCR
NAT-TCR Waldorf Tire Center, Inc 3.2 TCR
NAT-TCR Niagara Bottling, LLC - Denver 3.2 TCR
NAT-SIZE Diggerland West Berlin NJ 97 FTE
NAT-SIZE Direct Traffic Control, Inc. 97 FTE
NAT-SIZE Struktol Company of America (1) 97 FTE
NAT-SIZE Jensen Rock & Sand 97 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, 2021, 2020, 2019, 2018. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.