Water and Sewer Line and Related Structures Construction · Florida

Keystone Excavators, Inc

Name: Keystone Excavators, Inc Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Oldsmar, FL · ~38 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 0.0
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Keystone Excavators, Inc runs at 0% of its industry's injury rate - about level with the typical Water and Sewer Line and Related Structures Construction workplace, earning a grade C.

Keystone Excavators, Inc: 0.0 TCR = 0% of Water and Sewer Line and Related Structures Construction BLS 2.8 · 3y Form 300A (see methodology below)

Keystone Excavators, Inc safety composite

Keystone Excavators, Inc scores strongest on total case rate (tcr) (safer than 100% of same-industry peers) and weakest on fatalities (safer than 52%), 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).

81/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0 per 100 workers

Safer than 100% of industry peers
DART rate: B 0 per 100 workers

Safer than 79% of industry peers
Fatalities: D 0

Safer than 52% 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%).

Keystone Excavators, Inc held a steady TCR band

Keystone Excavators, Inc's TCR held near 0.0 from 0.0 in 2016 to 0.0 in 2018. Peak filing year was 2016 at 0.0 TCR.

2016=0.0 · 2017=0.0 · 2018=0.0

OSHA ITA Form 300A scorecard

Establishment book 237110 · Oldsmar, FL AT/BELOW-IND · SMALL

Grade C · TCR 0.0 · 0% of ind

DART 0.0 DART
RANK #0/121
PHOTO Rogers Hydrant Servi…
BOOK 3y book
INJ 0 inj
SIZE ~38 FTE

Nearest TCR peer: Rogers Hydrant Service, Inc. (0.0 TCR gap)

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

105197 - SKJV

0.1
104331 - San F

0.1
Gianfia Corp.

0.1
This site

0
Rogers Hydrant

0

What this shows Keystone Excavators, Inc averages 0.0 TCR (0% of the Water and Sewer Line and Related Structures Construction BLS benchmark).

Keystone Excavators, Inc TCR series: 2016=0 · 2017=0 · 2018=0 · BLS 2.8

Where Keystone Excavators, Inc falls in its industry

1,614 Water and Sewer Line and Relat establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 3.0.

Grade C

More dangerous than peersSafer than peers

Narrower to Florida alone (the establishments it most directly competes with for workers and contracts): ranked #0 safest of 121 Water and Sewer Line and Relat employers in Florida.

Keystone Excavators, Inc (38 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Keystone Excavators, Inc has fewer employees than the Water and Sewer Line and Related Structu median and a lower injury rate than the industry's median TCR of 3.0. 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	0.0	0.0	0	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

237110 · FL · Oldsmar

1,614 Water and Sewer Line and Related Structures Construction employers nationwide with a credible TCR · 26,569 rated employers in Florida with headcount on file · 66 employers in Oldsmar, 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	Rogers Hydrant Service, Inc.	ATWOOD, TN	0.0 TCR
NAICS-TCR	105197 - SKJV Blue Sky	TAYLOR, TX	0.1 TCR
NAICS-TCR	104331 - San Fernando Groundwater Remediation	PACOIMA, CA	0.1 TCR
NAICS-TCR	Gianfia Corp.	HAWTHORNE, NY	0.1 TCR
STATE-SIZE	Growers Management Inc	BELLE GLADE	38 FTE
STATE-SIZE	Smoak Groves Inc	LAKE PLACID	38 FTE
STATE-SIZE	Alva	ALVA	38 FTE
STATE-SIZE	CSN Customer Service - North	DAYTONA BEACH	38 FTE
CITY-NEAR	6354-FL20	Oldsmar	1,917 FTE
CITY-NEAR	Lockheed Martin Corporation US FL Clearwater Tampa Rd (1376)	Oldsmar	750 FTE
CITY-NEAR	Lockheed Martin Corporation Oldsmar Campus (1376)	Oldsmar	599 FTE
CITY-NEAR	2796	Oldsmar	382 FTE
NAT-TCR	GeoCare, Inc. DBA Home Instead Senior Care	North Olmsted, OH	0.0 TCR
NAT-TCR	TX-01	Austin, TX	0.0 TCR
NAT-TCR	NJ-05	Ewing Township, NJ	0.0 TCR
NAT-TCR	CT-02	Stamford, CT	0.0 TCR
NAT-SIZE	Murfreesboro 1	Murfreesboro, TN	38 FTE
NAT-SIZE	North Pacific Management Inc	Portland, OR	38 FTE
NAT-SIZE	2077-Us Dd Nw Modesto Branch	Livermore, CA	38 FTE
NAT-SIZE	Celoron A	Celoron, NY	38 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, 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.