PVC pipe manufacturing · Louisiana

Diamond Plastics Corporation Plaquemine

Name: Diamond Plastics Corporation Plaquemine Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Plaquemine, LA · ~59 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 0.0
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Diamond Plastics Corporation Plaquemine runs at 0% of its industry's injury rate - about level with the typical PVC pipe manufacturing workplace, earning a grade C.

Diamond Plastics Corporation Plaquemine: 0.0 TCR = 0% of PVC pipe manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Diamond Plastics Corporation Plaquemine safety composite

Diamond Plastics Corporation Plaquemine scores strongest on total case rate (tcr) (safer than 100% 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).

82/100

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 84% 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%).

Diamond Plastics Corporation Plaquemine held a steady TCR band

Diamond Plastics Corporation Plaquemine's TCR held near 0.0 from 0.0 in 2022 to 0.0 in 2024. Peak filing year was 2022 at 0.0 TCR.

2022=0.0 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 326122 · Plaquemine, LA AT/BELOW-IND · SMALL

Grade C · TCR 0.0 · 0% of ind

DART 0.0 DART
RANK #0/6
PHOTO JM Eagle Stockton Pl…
BOOK 3y book
INJ 0 inj
SIZE ~59 FTE

Nearest TCR peer: JM Eagle Stockton Plant (0.0 TCR gap)

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

Performance Pi

0.3
Solvay Special

0.2
Prinsco, Inc.

0.1
This site

0
JM Eagle Stock

0

What this shows Diamond Plastics Corporation Plaquemine averages 0.0 TCR (0% of the PVC pipe manufacturing BLS benchmark).

Diamond Plastics Corporation Plaquemine TCR series: 2022=0 · 2023=0 · 2024=0 · BLS 3.3

Where Diamond Plastics Corporation Plaquemine falls in its industry

332 PVC pipe manufacturing establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 3.7.

Grade C

More dangerous than peersSafer than peers

Narrower to Louisiana alone (the establishments it most directly competes with for workers and contracts): ranked #0 safest of 6 PVC pipe manufacturing employers in Louisiana.

Diamond Plastics Corporation Plaquemine (59 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.7

Diamond Plastics Corporation Plaquemine has fewer employees than the PVC pipe manufacturing median and a lower injury rate than the industry's median TCR of 3.7. 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
2024	0.0	0.0	0	0	0
2023	0.0	0.0	0	0	0
2022	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

326122 · LA · Plaquemine

332 PVC pipe manufacturing employers nationwide with a credible TCR · 6,723 rated employers in Louisiana with headcount on file · 80 employers in Plaquemine, LA · 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	JM Eagle Stockton Plant	STOCKTON, CA	0.0 TCR
NAICS-TCR	Prinsco, Inc. - Willmar	WILLMAR, MN	0.1 TCR
NAICS-TCR	Solvay Specialty Polymers, LLC.	ORANGE, TX	0.2 TCR
NAICS-TCR	Performance Pipe - a Division of Chevron Phillips Chemical Company	PRYOR, OK	0.3 TCR
STATE-SIZE	St. Tammany Service Center	MANDEVILLE	59 FTE
STATE-SIZE	Martco Construction LLC	OAKDALE	59 FTE
STATE-SIZE	The Migues Deloach Company LLC	PINEVILLE	59 FTE
STATE-SIZE	EXCEL Maintenance @ Westlake Plaquemine	PLAQUEMINE	59 FTE
CITY-NEAR	The Dow Chemical Company Louisiana Operations	Plaquemine	1,559 FTE
CITY-NEAR	The Dow Chemical Company - Louisiana Operations	Plaquemine	1,514 FTE
CITY-NEAR	Dow, Inc. Plaquemine Operations	Plaquemine	1,378 FTE
CITY-NEAR	Performance Contractors, Inc. - Dow Plaq - Poly D	Plaquemine	687 FTE
NAT-TCR	Cardinal Health 7000 and 7200	Dublin, OH	0.0 TCR
NAT-TCR	Cedar Bay Entertainment LLC	Branson, MO	0.0 TCR
NAT-TCR	One Federal Street	Boston, MA	0.0 TCR
NAT-TCR	City of Fremont - Community Support Includes Recreation and Human Services	Fremont, Ca. 94537, CA	0.0 TCR
NAT-SIZE	Anthony Oak Flooring, Inc.	Magnolia, AR	59 FTE
NAT-SIZE	Ramsey Popcorn Co	Ramsey, IN	59 FTE
NAT-SIZE	Elizabethtown	Elizabethtown, PA	59 FTE
NAT-SIZE	Farmers Grain Terminal - Greenville	Greenville, MS	59 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. 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.