Construction management, marine structure · Maine

Prock Marine Company

Name: Prock Marine Company Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Rockland, ME · ~40 workers · 5 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 6.8
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Prock Marine Company runs at 242% of its industry's injury rate - far more dangerous than the typical Construction management, marine structure workplace, earning a grade F.

Prock Marine Company: 6.8 TCR = 242% of Construction management, marine structure BLS 2.8 · 5y Form 300A (see methodology below)

Prock Marine Company safety composite

Prock Marine Company scores strongest on dart rate (safer than 73% of same-industry peers) and weakest on total case rate (tcr) (safer than 7%), 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).

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 6.77 per 100 workers

Safer than 7% of industry peers
DART rate: C 0 per 100 workers

Safer than 73% 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%).

TCR Δ

−8.1

2018→2024

Prock Marine Company injury rate improved

Prock Marine Company's TCR fell 8.1 from 12.8 in 2018 to 4.7 in 2024. Peak filing year was 2018 at 12.8 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2018=12.8 · 2021=4.2 · 2022=7.6 · 2023=4.5 · 2024=4.7

OSHA ITA Form 300A scorecard

Establishment book 237990 · Rockland, ME ABOVE-IND · SMALL

Grade F · TCR 6.8 · 242% of ind

DART 0.0 DART
RANK #26/27
PHOTO Selge Construction C…
BOOK 5y book
INJ 15 inj
SIZE ~40 FTE

Nearest TCR peer: Selge Construction Co., Inc. (0.0 TCR gap)

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This site

6.8
Chesterfield A

6.8
V3 Constructio

6.8
Selge Construc

6.7
Main Location

6.7

What this shows Prock Marine Company averages 6.8 TCR (242% of the Construction management, marine structure BLS benchmark).

Prock Marine Company TCR series: 2018=12.8 · 2021=4.2 · 2022=7.6 · 2023=4.5 · 2024=4.7 · BLS 2.8

Where Prock Marine Company falls in its industry

932 Construction management, marin establishments

Safer than 7% of graded establishments in this industry, whose median TCR is 1.5.

Grade F

More dangerous than peersSafer than peers

Narrower to Maine alone (the establishments it most directly competes with for workers and contracts): ranked #26 safest of 27 Construction management, marin employers in Maine.

Prock Marine Company (40 employees, TCR 6.8) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 1.5

Prock Marine Company has fewer employees than the Construction management, marine structur median and a higher injury rate than the industry's median TCR of 1.5. 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	4.7	0.0	2
2023	4.5	2.3	2
2022	7.6	7.6	3
2021	4.2	0.0	2
2018	12.8	8.6	6

OSHA ITA peer cross-reference

Establishment peer ledger

237990 · ME · Rockland

932 Construction management, marine structure employers nationwide with a credible TCR · 2,397 rated employers in Maine with headcount on file · 41 employers in Rockland, ME · 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	Selge Construction Co., Inc.	NILES, MI	6.7 TCR
NAICS-TCR	Chesterfield Associates, Inc.	WESTHAMPTON BEACH, NY	6.8 TCR
NAICS-TCR	V3 Construction Group	WOODRIDGE, IL	6.8 TCR
NAICS-TCR	Main Location	HENRIETTA, NY	6.7 TCR
STATE-SIZE	Eastern Maine Electric Cooperation, Inc.	CALAIS	40 FTE
STATE-SIZE	CMP - Brunswick Service Building	BRUNSWICK	40 FTE
STATE-SIZE	W.H. Demmons	PORTLAND	40 FTE
STATE-SIZE	V.L. Tammaro Oil Co. Inc.	BAILEYVILLE	40 FTE
CITY-NEAR	Fisher Engineering	Rockland	348 FTE
CITY-NEAR	PBMC/Knox Center	Rockland	211 FTE
CITY-NEAR	08230 - Store # 8230 Rockland	Rockland	198 FTE
CITY-NEAR	8230	Rockland	184 FTE
NAT-TCR	Main Office	Woodbury, NY	6.8 TCR
NAT-TCR	Varsity Packing, Inc	Bakersfield, CA	6.8 TCR
NAT-TCR	Goodwill Industries, Inc 78th Dodge	Omaha, NE	6.8 TCR
NAT-TCR	The Gant	Aspen, CO	6.8 TCR
NAT-SIZE	Location 42006	Liverpool, NY	40 FTE
NAT-SIZE	Republic Services Maloy Hauling	Campbell, TX	40 FTE
NAT-SIZE	Louisville RDC	Jeffersonville, IN	40 FTE
NAT-SIZE	Alberta Cooperative Grocery	Portland, OR	40 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, 2018. 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.