Plumbing and heating contractors · Florida

Southern Mechanical LLC dba H&H Mechanical

Name: Southern Mechanical LLC dba H&H Mechanical Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Tampa, FL · ~43 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

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

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The verdict

Southern Mechanical LLC dba H&H Mechanical runs at 35% of its industry's injury rate - far safer than the typical Plumbing and heating contractors workplace, earning a grade A.

Southern Mechanical LLC dba H&H Mechanical: 1.0 TCR = 35% of Plumbing and heating contractors BLS 2.8 · 2y Form 300A (see methodology below)

Southern Mechanical LLC dba H&H Mechanical safety composite

Southern Mechanical LLC dba H&H Mechanical scores strongest on total case rate (tcr) (safer than 88% of same-industry peers) and weakest on dart rate (safer than 40%), 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).

62/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 0.98 per 100 workers

Safer than 88% of industry peers
DART rate: D 1.96 per 100 workers

Safer than 40% 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

Southern Mechanical LLC dba H&H Mechanical: 0.0 → 2.0 TCR

Peak year 2023 @ 2.0 TCR · DART/TCR 2× in 2023

Southern Mechanical LLC dba H&H Mechanical's TCR rose 2.0 from 0.0 in 2022 to 2.0 in 2023. In 2023, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Tampa, FL AT/BELOW-IND · SMALL

Grade A · TCR 1.0 · 35% of ind

DART 2.0 DART
RANK #33/425
PHOTO New England Orbital …
BOOK 2y book
INJ 1 inj
SIZE ~43 FTE

Nearest TCR peer: New England Orbital Services, Inc. (0.0 TCR gap)

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

This site

1
New England Or

1
Benicia Plumbi

1
S3HINC

1
Edison NJ Bran

1

What this shows Southern Mechanical LLC dba H&H Mechanical averages 1.0 TCR (35% of the Plumbing and heating contractors BLS benchmark).

Southern Mechanical LLC dba H&H Mechanical TCR series: 2022=0 · 2023=2 · BLS 2.8

Where Southern Mechanical LLC dba H&H Mechanical falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 88% of graded establishments in this industry, whose median TCR is 3.3.

Grade A

More dangerous than peersSafer than peers

Narrower to Florida alone (the establishments it most directly competes with for workers and contracts): ranked #33 safest of 425 Plumbing and heating contracto employers in Florida.

Southern Mechanical LLC dba H&H Mechanical (43 employees, TCR 1.0) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Southern Mechanical LLC dba H&H Mechanical has fewer employees than the Plumbing and heating contractors 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
2023	2.0	2.0	1	1	0
2022	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · FL · Tampa

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 26,569 rated employers in Florida with headcount on file · 1,659 employers in Tampa, FL · 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	New England Orbital Services, Inc.	SALEM, NH	1.0 TCR
NAICS-TCR	Benicia Plumbing, Inc - Morgan Hill	MORGAN HILL, CA	1.0 TCR
NAICS-TCR	S3HINC	LAS VEGAS, NV	1.0 TCR
NAICS-TCR	Edison NJ Branch UPG	EDISON, NJ	1.0 TCR
STATE-SIZE	PINTO'S FARM	MIAMI	43 FTE
STATE-SIZE	Fernlea Nurseries - STU	PALM CITY	43 FTE
STATE-SIZE	DRP Boca Raton Service Center	BOCA RATON	43 FTE
STATE-SIZE	Stuart Office	STUART	43 FTE
CITY-NEAR	Diversified Maintenance Systems LLC	Tampa	10,600 FTE
CITY-NEAR	Tampa General Hospital	Tampa	7,849 FTE
CITY-NEAR	Valet Living, LLC	Tampa	6,337 FTE
CITY-NEAR	ST. Joseph's Hospital (5100)	Tampa	5,540 FTE
NAT-TCR	NVE Pharmaceuticals	Andover, NJ	1.0 TCR
NAT-TCR	Control 7, Inc.	Bridgewater, MA	1.0 TCR
NAT-TCR	Shelterhouse	Cincinnati, OH	1.0 TCR
NAT-TCR	Expeditors International of Washington, Inc.	Romulus, MI	1.0 TCR
NAT-SIZE	Versevo Inc	Hartland, WI	43 FTE
NAT-SIZE	Columbia River Steel & Construction, Inc	Grandview, WA	43 FTE
NAT-SIZE	Armour Coatings Inc.	Germantown, WI	43 FTE
NAT-SIZE	Cash and Carry #27	Baltimore, MD	43 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: 2023, 2022. 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.