Air system balancing and testing · Tennessee

CS3, Inc

Bartlett, TN · ~110 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

CS3, Inc runs at 253% of its industry's injury rate - far more dangerous than the typical Air system balancing and testing workplace, earning a grade F.

CS3, Inc: 7.1 TCR = 253% of Air system balancing and testing BLS 2.8 · 3y Form 300A (see methodology below)

CS3, Inc safety composite

CS3, Inc scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 21%), 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

36/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.08 per 100 workers

Safer than 21% of industry peers

DART rate
D 1.84 per 100 workers

Safer than 41% 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

−3.3

2021→2024

CS3, Inc injury rate improved

CS3, Inc's TCR fell 3.3 from 7.9 in 2021 to 4.6 in 2024. Peak filing year was 2022 at 8.7 TCR. In 2024, DART was 0.26× this establishment's average TCR (severity share of cases).

2021=7.9 · 2022=8.7 · 2024=4.6

OSHA ITA Form 300A scorecard

Establishment book 238220 · Bartlett, TN ABOVE-IND · MID

Grade F · TCR 7.1 · 253% of ind

  • DART 1.8 DART
  • RANK #106/117
  • PHOTO Culligan - St. Louis
  • BOOK 3y book
  • INJ 22 inj
  • SIZE ~110 FTE

Nearest TCR peer: Culligan - St. Louis (0.0 TCR gap)

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

CS3, Inc in the TCR neighbourhood

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

TCR

What this shows CS3, Inc averages 7.1 TCR (253% 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

CS3, Inc TCR series: 2021=7.9 · 2022=8.7 · 2024=4.6 · BLS 2.8

Where CS3, Inc falls in its industry

5,793 Air system balancing and testi establishments

Safer than 21% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #106 safest of 117 Air system balancing and testi employers in Tennessee.

CS3, Inc (110 employees, TCR 7.1) 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 CS3, Inc
CS3, Inc (110 employees, TCR 7.1) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

CS3, Inc has more employees than the Air system balancing and testing median and a higher 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 4.6 1.8 5 0 0
2022 8.7 3.9 9 0 0
2021 7.9 3.0 8 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · TN · Bartlett

5,793 Air system balancing and testing employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 70 employers in Bartlett, 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 Culligan - St. Louis 7.1 TCR
NAICS-TCR Noron Inc. 7.1 TCR
NAICS-TCR HLS Office 7.1 TCR
NAICS-TCR Fireline Sprinkler, LLC 7.1 TCR
STATE-SIZE Appalachian Electric Cooperative 110 FTE
STATE-SIZE Sevier County Electric System 110 FTE
STATE-SIZE Nashville Office 110 FTE
STATE-SIZE 0000000301 PUBLIC WORKS-STREETS 110 FTE
CITY-NEAR City of Bartlett 723 FTE
CITY-NEAR City Hall 719 FTE
CITY-NEAR Saint Francis Hospital - Bartlett 673 FTE
CITY-NEAR 4701-569 598 FTE
NAT-TCR NA-US-CA-Lathrop-17100 Murphy Parkway 7.1 TCR
NAT-TCR Progress Printing Company 7.1 TCR
NAT-TCR Blt Tanks LLC 7.1 TCR
NAT-TCR Edgewood Rehab and care center 7.1 TCR
NAT-SIZE American Atelier Inc. 110 FTE
NAT-SIZE Sweden Valley Manor 110 FTE
NAT-SIZE TC Ranch LLC 110 FTE
NAT-SIZE The Gables of Canton 110 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, 2022, 2021. 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.