Sign (except on highways, streets, bridges and tunnels) erection · California

A Cone Zone, Inc.

Name: A Cone Zone, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Corona, CA · ~34 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 4.8
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

A Cone Zone, Inc. runs at 173% of its industry's injury rate - more dangerous than the typical Sign (except on highways, streets, bridges and tunnels) erection workplace, earning a grade D.

A Cone Zone, Inc.: 4.8 TCR = 173% of Sign (except on highways, streets, bridges and tunnels) erection BLS 2.8 · 2y Form 300A (see methodology below)

A Cone Zone, Inc. safety composite

A Cone Zone, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 9%), 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).

25/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 4.83 per 100 workers

Safer than 23% of industry peers
DART rate: F 6.32 per 100 workers

Safer than 9% 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

A Cone Zone, Inc.: 3.4 → 6.3 TCR

Peak year 2018 @ 6.3 TCR · DART/TCR 1.31× in 2018

A Cone Zone, Inc.'s TCR rose 3.0 from 3.4 in 2017 to 6.3 in 2018. In 2018, DART was 1.31× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238990 · Corona, CA ABOVE-IND · SMALL

Grade D · TCR 4.8 · 173% of ind

DART 6.3 DART
RANK #107/171
PHOTO Protect Environmenta…
BOOK 2y book
INJ 3 inj
SIZE ~34 FTE

Nearest TCR peer: Protect Environmental- Louisville (0.0 TCR gap)

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

This site

4.8
Protect Enviro

4.8
Poblocki Pavin

4.8
Intermountain

4.8
Corporate

4.8

What this shows A Cone Zone, Inc. averages 4.8 TCR (173% of the Sign (except on highways, streets, bridges and tunnels) erection BLS benchmark).

A Cone Zone, Inc. TCR series: 2017=3.4 · 2018=6.3 · BLS 2.8

Where A Cone Zone, Inc. falls in its industry

1,634 Sign (except on highways, stre establishments

Safer than 23% of graded establishments in this industry, whose median TCR is 1.9.

Grade D

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #107 safest of 171 Sign (except on highways, stre employers in California.

A Cone Zone, Inc. (34 employees, TCR 4.8) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 1.9

A Cone Zone, Inc. has fewer employees than the Sign (except on highways, streets, bridg median and a higher injury rate than the industry's median TCR of 1.9. 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	6.3	6.3	2	0	0
2017	3.4	0.0	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238990 · CA · Corona

1,634 Sign (except on highways, streets, bridges and tunnels) erection employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 409 employers in Corona, CA · 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	Protect Environmental- Louisville	LOUISVILLE, KY	4.8 TCR
NAICS-TCR	Poblocki Paving Corp.	WEST ALLIS, WI	4.8 TCR
NAICS-TCR	Intermountain Plantings, LLC - UT	BLUFFDALE, UT	4.8 TCR
NAICS-TCR	Corporate	OZARK, MO	4.8 TCR
STATE-SIZE	Ardent Mills Yuba City	YUBA CITY	34 FTE
STATE-SIZE	Filice Farms, L.P.	HOLLISTER	34 FTE
STATE-SIZE	Alexander Ranch, Inc.	CARPINTERIA	34 FTE
STATE-SIZE	MFarms	FELICITY	34 FTE
CITY-NEAR	Monster Energy Company 2535 Anselmo Dr	Corona	2,572 FTE
CITY-NEAR	Monster Energy Company	Corona	2,388 FTE
CITY-NEAR	Monster Energy Company - Anselmo Dr, Corona	Corona	2,335 FTE
CITY-NEAR	California Department of Transportation Facility 289	Corona	1,587 FTE
NAT-TCR	0172 - College Station, Tx	College Station, TX	4.8 TCR
NAT-TCR	Lasko Products LLC TN	Franklin, TN	4.8 TCR
NAT-TCR	Sodexo at Nebraska Medical Center Es	Omaha, NE	4.8 TCR
NAT-TCR	USC Kings, Bushwick Plant	Brooklyn, NY	4.8 TCR
NAT-SIZE	Bodycote Thermal Processing Inc. - Covington	Covington, GA	34 FTE
NAT-SIZE	Elderberry Square Community	Florence, OR	34 FTE
NAT-SIZE	Cm Ma	Webster, MA	34 FTE
NAT-SIZE	Vero Beach Office	Vero Beach, FL	34 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. 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.