Heating, ventilation and air-conditioning (HVAC) contractors · Missouri

Connelly Mechanical, Inc.

Springfield, MO · ~18 workers · 6 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Connelly Mechanical, Inc. runs at 90% of its industry's injury rate - about level with the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade C.

Connelly Mechanical, Inc.: 2.5 TCR = 90% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 6y Form 300A (see methodology below)

Connelly Mechanical, Inc. safety composite

Connelly Mechanical, Inc. scores strongest on dart rate (safer than 80% 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

65/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.53 per 100 workers

Safer than 60% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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%).

Connelly Mechanical, Inc. held a steady TCR band

Connelly Mechanical, Inc.'s TCR held near 0.0 from 0.0 in 2016 to 0.0 in 2021. Peak filing year was 2019 at 8.0 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2016=0.0 · 2017=0.0 · 2018=7.2 · 2019=8.0 · 2020=0.0 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Springfield, MO AT/BELOW-IND · SMALL

Grade C · TCR 2.5 · 90% of ind

  • DART 0.0 DART
  • RANK #41/90
  • PHOTO Mining Construction …
  • BOOK 6y book
  • INJ 2 inj
  • SIZE ~18 FTE

Nearest TCR peer: Mining Construction Services, LLC (0.0 TCR gap)

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

Connelly Mechanical, Inc. in the TCR neighbourhood

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

TCR

What this shows Connelly Mechanical, Inc. averages 2.5 TCR (90% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

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

Connelly Mechanical, Inc. TCR series: 2016=0 · 2017=0 · 2018=7.2 · 2019=8 · 2020=0 · 2021=0 · BLS 2.8

Where Connelly Mechanical, Inc. falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 60% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Missouri alone (the establishments it most directly competes with for workers and contracts): ranked #41 safest of 90 Heating, ventilation and air-c employers in Missouri.

Connelly Mechanical, Inc. (18 employees, TCR 2.5) 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 Connelly Mechanical, Inc.
Connelly Mechanical, Inc. (18 employees, TCR 2.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Connelly Mechanical, Inc. has fewer employees than the Heating, ventilation and air-conditionin 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
2021 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 8.0 0.0 1 0 0
2018 7.2 0.0 1 0 0
2017 0.0 0.0 0 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MO · Springfield

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 633 employers in Springfield, MO · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Mining Construction Services, LLC 2.5 TCR
NAICS-TCR Geisel Heating and Air Conditioning 2.5 TCR
NAICS-TCR Bud Griffin Customer Support, Inc. 2.5 TCR
NAICS-TCR United Mechanical - San Jose 2.5 TCR
STATE-SIZE Select Genetics MO Maintenance 006-0127-00 18 FTE
STATE-SIZE Select Genetics MO Crestview 006-0138-CV 18 FTE
STATE-SIZE Blakemore Cotton & Grain LLC 18 FTE
STATE-SIZE Graves Kennett Gin 18 FTE
CITY-NEAR MERCY HOSPITAL SPRINGFIELD 4,885 FTE
CITY-NEAR Prime, Inc. HQ 3,091 FTE
CITY-NEAR Corp 3,052 FTE
CITY-NEAR Bass Pro Corporate 1,888 FTE
NAT-TCR Dept. of Health & Social Services (2) 2.5 TCR
NAT-TCR Chicago, IL (WC USX CHI) 2.5 TCR
NAT-TCR Janda Motor Services 2.5 TCR
NAT-TCR AH4R - Charleston SC 2.5 TCR

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: 2021, 2020, 2019, 2018, 2017, 2016. 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.