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

Jake Marshall LLC

Name: Jake Marshall LLC Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Chattanooga, TN · ~233 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 1.4
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Jake Marshall LLC runs at 48% of its industry's injury rate - far safer than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade A.

Jake Marshall LLC: 1.4 TCR = 48% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 4y Form 300A (see methodology below)

Jake Marshall LLC safety composite

Jake Marshall LLC scores strongest on total case rate (tcr) (safer than 81% 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).

63/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 1.35 per 100 workers

Safer than 81% of industry peers
DART rate: D 1.07 per 100 workers

Safer than 52% 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

−0.9

2016→2021

Jake Marshall LLC injury rate improved

Jake Marshall LLC's TCR fell 0.9 from 2.0 in 2016 to 1.1 in 2021. Peak filing year was 2016 at 2.0 TCR. In 2021, DART was 0.79× this establishment's average TCR (severity share of cases).

2016=2.0 · 2017=1.8 · 2018=0.6 · 2021=1.1

OSHA ITA Form 300A scorecard

Establishment book 238220 · Chattanooga, TN AT/BELOW-IND · MID

Grade A · TCR 1.4 · 48% of ind

DART 1.1 DART
RANK #22/117
PHOTO 17-043293364
BOOK 4y book
INJ 15 inj
SIZE ~233 FTE

Nearest TCR peer: 17-043293364 (0.0 TCR gap)

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This site

1.4
17-043293364

1.4
Ahern Des Moin

1.4
Cleaver Brooks

1.4
Mechanical Ser

1.4

What this shows Jake Marshall LLC averages 1.4 TCR (48% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

Jake Marshall LLC TCR series: 2016=2 · 2017=1.8 · 2018=0.6 · 2021=1.1 · BLS 2.8

Where Jake Marshall LLC falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 81% of graded establishments in this industry, whose median TCR is 3.3.

Grade A

More dangerous than peersSafer than peers

Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #22 safest of 117 Heating, ventilation and air-c employers in Tennessee.

Jake Marshall LLC (233 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Jake Marshall LLC has more 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
2021	1.1	1.1	2
2018	0.6	0.6	2
2017	1.8	1.4	5
2016	2.0	1.0	6

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · TN · Chattanooga

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 695 employers in Chattanooga, TN · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	17-043293364	BROADVIEW, IL	1.4 TCR
NAICS-TCR	Ahern Des Moines	DES MOINES, IA	1.4 TCR
NAICS-TCR	Cleaver Brooks Sales & Service Inc	DALLAS, TX	1.4 TCR
NAICS-TCR	Mechanical Service & Systems Inc.	SALT LAKE CITY, UT	1.4 TCR
STATE-SIZE	Jarden Consumer Solutions - Cadillac Lane	MCMINNVILLE	233 FTE
STATE-SIZE	025-00402	MEMPHIS	233 FTE
STATE-SIZE	026-00569	GALLATIN	233 FTE
STATE-SIZE	Trans-Carriers, INC.	MEMPHIS	233 FTE
CITY-NEAR	CHATTANOOGA COKE	Chattanooga	8,650 FTE
CITY-NEAR	CHATTANOOGA FOOD	Chattanooga	8,650 FTE
CITY-NEAR	USXpress	Chattanooga	7,385 FTE
CITY-NEAR	Cardiology GB	Chattanooga	6,606 FTE
NAT-TCR	Ocala KIA	Ocala, FL	1.4 TCR
NAT-TCR	Ft. Wayne Home Care	Ft. Wayne, IN	1.4 TCR
NAT-TCR	George L Roma LLC	Orlando, FL	1.4 TCR
NAT-TCR	US183: Austin 494 - SG	Round Rock, TX	1.4 TCR
NAT-SIZE	PCA	Philadelphia, PA	233 FTE
NAT-SIZE	St. Catherine's West Rehabilitation Hospital	Hialeah Gardens, FL	233 FTE
NAT-SIZE	Mercy Health Partners - Lakeshore Campus	Shelby, MI	233 FTE
NAT-SIZE	Indiana University Health Paoli Hospital	Indianapolis, IN	233 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: 2021, 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.