Air system balancing and testing · Tennessee

Chase Plumbing & Mechanical, Inc.

Name: Chase Plumbing & Mechanical, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Chattanooga, TN · ~53 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · September 26, 2026

A
Excellent Safety Record: 1.0
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Chase Plumbing & Mechanical, Inc. runs at 37% of its industry's injury rate - far safer than the typical Air system balancing and testing workplace, earning a grade A.

Chase Plumbing & Mechanical, Inc.: 1.0 TCR = 37% of Air system balancing and testing BLS 2.8 · 2y Form 300A (see methodology below)

Chase Plumbing & Mechanical, Inc. safety composite

Chase Plumbing & Mechanical, Inc. scores strongest on total case rate (tcr) (safer than 86% 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).

75/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 1.03 per 100 workers

Safer than 86% 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%).

Rising injury rate

Chase Plumbing & Mechanical, Inc.: 0.0 → 2.1 TCR

Peak year 2018 @ 2.1 TCR · DART/TCR 0× in 2018

Chase Plumbing & Mechanical, Inc.'s TCR rose 2.1 from 0.0 in 2016 to 2.1 in 2018. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

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

Grade A · TCR 1.0 · 37% of ind

DART 0.0 DART
RANK #15/117
PHOTO WS Electrical & Air …
BOOK 2y book
INJ 1 inj
SIZE ~53 FTE

Nearest TCR peer: WS Electrical & Air Conditioning, Inc. (0.0 TCR gap)

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

This site

1
WS Electrical

1
Arizona Fire P

1
Lozano Plumbin

1
US056: San Fra

1

What this shows Chase Plumbing & Mechanical, Inc. averages 1.0 TCR (37% of the Air system balancing and testing BLS benchmark).

Chase Plumbing & Mechanical, Inc. TCR series: 2016=0 · 2018=2.1 · BLS 2.8

Where Chase Plumbing & Mechanical, Inc. falls in its industry

5,793 Air system balancing and testi establishments

Safer than 86% 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 #15 safest of 117 Air system balancing and testi employers in Tennessee.

Chase Plumbing & Mechanical, Inc. (53 employees, TCR 1.0) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Chase Plumbing & Mechanical, Inc. has fewer 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
2018	2.1	0.0	1	0	0
2016	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · TN · Chattanooga

5,793 Air system balancing and testing 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	WS Electrical & Air Conditioning, Inc.	DECATUR, AL	1.0 TCR
NAICS-TCR	Arizona Fire Protection, Inc	PEORIA, AZ	1.0 TCR
NAICS-TCR	Lozano Plumbing Services, Inc. dba: Plumbing Master	RIVERSIDE, CA	1.0 TCR
NAICS-TCR	US056: San Francisco 417 - SG	LIVERMORE, CA	1.0 TCR
STATE-SIZE	Douglas Health & Rehab Center	MILAN	53 FTE
STATE-SIZE	Ansei America Inc	GAINESBORO	53 FTE
STATE-SIZE	Topre America Corporation- TN Stamping	SMYRNA	53 FTE
STATE-SIZE	ABA Interventions, LLC	KNOXVILLE	53 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	Bombardier Transportation - New York - JFK	Jamaica, NY	1.0 TCR
NAT-TCR	TX/NM - Baytown - 4215	Baytown, TX	1.0 TCR
NAT-TCR	Nexeo Solutions - Denver	Denver, CO	1.0 TCR
NAT-TCR	Cincinnatio, Ohio (Labs)	Cincinnati, OH	1.0 TCR
NAT-SIZE	Streamline Precision Contracting, LLC	Burley, ID	53 FTE
NAT-SIZE	Delaware Valley Shippers Inc	Bensalem, PA	53 FTE
NAT-SIZE	US Zinc Houston Dust	Houston, TX	53 FTE
NAT-SIZE	AMG Specialty Hospital - Las Vegas	Las Vegas, NV	53 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: 2018, 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.