Ready-mix concrete manufacturing and distributing · California

Robar Enterprises-Hesperia

Name: Robar Enterprises-Hesperia Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Hesperia, CA · ~27 workers · 7 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

A
Excellent Safety Record: 0.6
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Robar Enterprises-Hesperia runs at 18% of its industry's injury rate - far safer than the typical Ready-mix concrete manufacturing and distributing workplace, earning a grade A.

Robar Enterprises-Hesperia: 0.6 TCR = 18% of Ready-mix concrete manufacturing and distributing BLS 3.3 · 7y Form 300A (see methodology below)

Robar Enterprises-Hesperia safety composite

Robar Enterprises-Hesperia scores strongest on total case rate (tcr) (safer than 99% 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).

81/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0.59 per 100 workers

Safer than 99% of industry peers
DART rate: B 0 per 100 workers

Safer than 81% 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%).

Robar Enterprises-Hesperia held a steady TCR band

Robar Enterprises-Hesperia's TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2024. Peak filing year was 2019 at 4.1 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.0 · 2018=0.0 · 2019=4.1 · 2021=0.0 · 2022=0.0 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 327320 · Hesperia, CA AT/BELOW-IND · SMALL

Grade A · TCR 0.6 · 18% of ind

DART 0.0 DART
RANK #1/128
PHOTO Fleet Southern RMX
BOOK 7y book
INJ 1 inj
SIZE ~27 FTE

Nearest TCR peer: Fleet Southern RMX (0.0 TCR gap)

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0.6
Fleet Southern

0.6
CMR Office

0.6
Beck St. RMC

0.6
Shelby Materia

0.6

What this shows Robar Enterprises-Hesperia averages 0.6 TCR (18% of the Ready-mix concrete manufacturing and distributing BLS benchmark).

Robar Enterprises-Hesperia TCR series: 2017=0 · 2018=0 · 2019=4.1 · 2021=0 · 2022=0 · 2023=0 · 2024=0 · BLS 3.3

Where Robar Enterprises-Hesperia falls in its industry

1,316 Ready-mix concrete manufacturi establishments

Safer than 99% of graded establishments in this industry, whose median TCR is 4.5.

Grade A

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 128 Ready-mix concrete manufacturi employers in California.

Robar Enterprises-Hesperia (27 employees, TCR 0.6) among 29 same-industry peers, split at the industry median of 33 employees and a TCR of 4.5

Robar Enterprises-Hesperia has fewer employees than the Ready-mix concrete manufacturing and dis median and a lower injury rate than the industry's median TCR of 4.5. 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
2024	0.0	0.0	0
2023	0.0	0.0	0
2022	0.0	0.0	0
2021	0.0	0.0	0
2019	4.1	4.1	1
2018	0.0	0.0	0
2017	0.0	0.0	0

OSHA ITA peer cross-reference

Establishment peer ledger

327320 · CA · Hesperia

1,316 Ready-mix concrete manufacturing and distributing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 60 employers in Hesperia, 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	Fleet Southern RMX	COLORADO SPRINGS, CO	0.6 TCR
NAICS-TCR	CMR Office	GILBERT, AZ	0.6 TCR
NAICS-TCR	Beck St. RMC	SALT LAKE CITY, UT	0.6 TCR
NAICS-TCR	Shelby Materials - Beech Grove	INDIANAPOLIS, IN	0.6 TCR
STATE-SIZE	HQ	FRESNO	27 FTE
STATE-SIZE	Medeiros Farms Vineyards	CARUTHERS	27 FTE
STATE-SIZE	SAND RANCH	HELM	27 FTE
STATE-SIZE	San Bernabe Vineyards	KING CITY	27 FTE
CITY-NEAR	California Department of Transportation Facility 299	Hesperia	1,529 FTE
CITY-NEAR	WM 4340	Hesperia	484 FTE
CITY-NEAR	4340	Hesperia	420 FTE
CITY-NEAR	Keolis Transit America Hesperia	Hesperia	300 FTE
NAT-TCR	Otter Tail	Fergus Falls, MN	0.6 TCR
NAT-TCR	The Whiting-Turner Contracting Company	Baltimore, MD	0.6 TCR
NAT-TCR	National Rural Utilities Cooperative Finance Corporation	Dulles, VA	0.6 TCR
NAT-TCR	Universidad Ana G Mendez Online	San Juan, PR	0.6 TCR
NAT-SIZE	Residence Inn Portland North Harbor	Portland, OR	27 FTE
NAT-SIZE	Pittsburgh Plug & Products Corporation	Evans City, PA	27 FTE
NAT-SIZE	Madison Park Vol. Fire Co.	Parlin, NJ	27 FTE
NAT-SIZE	Summerville Electric Operation	Summerville, SC	27 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: 2024, 2023, 2022, 2021, 2019, 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.