Commercial building construction general contractors · California

Diede Construction

Name: Diede Construction Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Lodi, CA · ~136 workers · 5 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 3.0
Avg TCR: 2.9
Industry avg: 0
Fatalities

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The verdict

Diede Construction runs at 104% of its industry's injury rate - about level with the typical Commercial building construction general contractors workplace, earning a grade C.

Diede Construction: 3.0 TCR = 104% of Commercial building construction general contractors BLS 2.9 · 5y Form 300A (see methodology below)

Diede Construction safety composite

Diede Construction scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 19%), 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).

35/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 3.01 per 100 workers

Safer than 40% of industry peers
DART rate: F 3.12 per 100 workers

Safer than 19% 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%).

Diede Construction held a steady TCR band

Diede Construction's TCR held near 0.3 from 4.3 in 2017 to 4.7 in 2022. In 2022, DART was 1.04× this establishment's average TCR (severity share of cases).

2017=4.3 · 2018=3.5 · 2019=2.5 · 2020=0.0 · 2022=4.7

OSHA ITA Form 300A scorecard

Establishment book 236220 · Lodi, CA ABOVE-IND · MID

Grade C · TCR 3.0 · 104% of ind

DART 3.1 DART
RANK #283/486
PHOTO Anchor Tampa, Inc.
BOOK 5y book
INJ 17 inj
SIZE ~136 FTE

Nearest TCR peer: Anchor Tampa, Inc. (0.0 TCR gap)

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

This site

3
Anchor Tampa,

3
Neelam Constru

3
Conger Constru

3
Burleson Const

3

What this shows Diede Construction averages 3.0 TCR (104% of the Commercial building construction general contractors BLS benchmark).

Diede Construction TCR series: 2017=4.3 · 2018=3.5 · 2019=2.5 · 2020=0 · 2022=4.7 · BLS 2.9

Where Diede Construction falls in its industry

4,692 Commercial building constructi establishments

Safer than 40% of graded establishments in this industry, whose median TCR is 2.3.

Grade C

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #283 safest of 486 Commercial building constructi employers in California.

Diede Construction (136 employees, TCR 3.0) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

Diede Construction has more employees than the Commercial building construction general median and a higher injury rate than the industry's median TCR of 2.3. 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
2022	4.7	3.1	3
2020	0.0	0.0	0
2019	2.5	0.8	3
2018	3.5	1.4	5
2017	4.3	0.7	6

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · CA · Lodi

4,692 Commercial building construction general contractors employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 140 employers in Lodi, 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	Anchor Tampa, Inc.	TAMPA, FL	3.0 TCR
NAICS-TCR	Neelam Construction Corp	NORTHVALE, NJ	3.0 TCR
NAICS-TCR	Conger Construction Group	LEBANON, OH	3.0 TCR
NAICS-TCR	Burleson Construction Company Inc	JOHNSON CITY, TN	3.0 TCR
STATE-SIZE	HM Clause - Modesto	MODESTO	136 FTE
STATE-SIZE	Red Bluff Nursery	RED BLUFF	136 FTE
STATE-SIZE	BC LABOR CONTRACTORS, INC.	SALINAS	136 FTE
STATE-SIZE	A&B Construction	BERKELEY	136 FTE
CITY-NEAR	Perez Farming Services Inc.	Lodi	1,145 FTE
CITY-NEAR	9292-AHLM001 - HOSPITAL	Lodi	1,030 FTE
CITY-NEAR	Ono-223	Lodi	910 FTE
CITY-NEAR	California Department of Transportation Facility 592	Lodi	890 FTE
NAT-TCR	Hurst Jaws of Life, Inc.	Shelby, NC	3.0 TCR
NAT-TCR	Municipal Golf Course	Lake Oswego, OR	3.0 TCR
NAT-TCR	Iowa Illinois Taylor Insulation Contracting 1	Davenport, IA	3.0 TCR
NAT-TCR	1500 - Michigan City	Michigan City, IN	3.0 TCR
NAT-SIZE	Old Town Clinic	Portland, OR	136 FTE
NAT-SIZE	770 - Greece	Greece, NY	136 FTE
NAT-SIZE	692 - Colonie	Albany, NY	136 FTE
NAT-SIZE	345 - Thornton	Thornton, CO	136 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: 2022, 2020, 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.