Door units, prehung, wood and covered wood, manufacturing · Maryland

Colonial Sash and Door

Name: Colonial Sash and Door Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Frederick, MD · ~57 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 4.9
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Colonial Sash and Door runs at 148% of its industry's injury rate - more dangerous than the typical Door units, prehung, wood and covered wood, manufacturing workplace, earning a grade D.

Colonial Sash and Door: 4.9 TCR = 148% of Door units, prehung, wood and covered wood, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Colonial Sash and Door safety composite

Colonial Sash and Door scores strongest on total case rate (tcr) (safer than 51% of same-industry peers) and weakest on dart rate (safer than 34%), 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).

45/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 4.88 per 100 workers

Safer than 51% of industry peers
DART rate: F 3.86 per 100 workers

Safer than 34% 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%).

TCR Δ

−2.0

2019→2021

Colonial Sash and Door injury rate improved

Colonial Sash and Door's TCR fell 2.0 from 5.9 in 2019 to 3.9 in 2021. Peak filing year was 2019 at 5.9 TCR. In 2021, DART was 0.79× this establishment's average TCR (severity share of cases).

2019=5.9 · 2021=3.9

OSHA ITA Form 300A scorecard

Establishment book 321911 · Frederick, MD ABOVE-IND · SMALL

Grade D · TCR 4.9 · 148% of ind

DART 3.9 DART
RANK #3/5
PHOTO Shop
BOOK 2y book
INJ 3 inj
SIZE ~57 FTE

Nearest TCR peer: Shop (0.0 TCR gap)

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

This site

4.9
Shop

4.9
Sierra Pacific

4.9
New Home Build

4.9
Barclay Core

4.8

What this shows Colonial Sash and Door averages 4.9 TCR (148% of the Door units, prehung, wood and covered wood, manufacturing BLS benchmark).

Colonial Sash and Door TCR series: 2019=5.9 · 2021=3.9 · BLS 3.3

Where Colonial Sash and Door falls in its industry

452 Door units, prehung, wood and establishments

Safer than 51% of graded establishments in this industry, whose median TCR is 5.0.

Grade D

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #3 safest of 5 Door units, prehung, wood and employers in Maryland.

Colonial Sash and Door (57 employees, TCR 4.9) among 29 same-industry peers, split at the industry median of 97 employees and a TCR of 5.0

Colonial Sash and Door has fewer employees than the Door units, prehung, wood and covered wo median and a lower injury rate than the industry's median TCR of 5.0. 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
2021	3.9	3.9	1	1	0
2019	5.9	2.9	2	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

321911 · MD · Frederick

452 Door units, prehung, wood and covered wood, manufacturing employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 267 employers in Frederick, MD · 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	Shop	ALMONT, MI	4.9 TCR
NAICS-TCR	Sierra Pacific Windows - Medford	MEDFORD, WI	4.9 TCR
NAICS-TCR	New Home Building Supply	GREENSBORO, NC	4.9 TCR
NAICS-TCR	Barclay Core	BARCLAY, MD	4.8 TCR
STATE-SIZE	5901 COBB RD FACILITY	LANDOVER	57 FTE
STATE-SIZE	DRB Group - Metro	ROCKVILLE	57 FTE
STATE-SIZE	Chamberlain Contractors, LLC	LAUREL	57 FTE
STATE-SIZE	Royals Commercial of Maryland- Alpha #138	MILLERSVILLE	57 FTE
CITY-NEAR	MD-03	Frederick	4,250 FTE
CITY-NEAR	AstraZeneca Frederick Manufacturing Center	Frederick	775 FTE
CITY-NEAR	AstraZeneca Frederick Manufacturing	Frederick	711 FTE
CITY-NEAR	Thermo Fisher Scientific Frederick, MD (BID - Executive Way)	Frederick	568 FTE
NAT-TCR	Alloy Welding Inc.	Franksville, WI	4.9 TCR
NAT-TCR	Double M Carriers Inc	O'Fallon, MO	4.9 TCR
NAT-TCR	Kerr Corporation	Romulus, MI	4.9 TCR
NAT-TCR	CrossCountry Freight Solutions - Sioux Falls	Sioux Falls, SD	4.9 TCR
NAT-SIZE	Toll Company	Plymouth, MN	57 FTE
NAT-SIZE	Delfingen US - NY	Niagara Falls, NY	57 FTE
NAT-SIZE	Alden Gardens of Bloomingdale	Bloomingdale, IL	57 FTE
NAT-SIZE	Big Visual Group- Sign Company	Antioch, TN	57 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: 2021, 2019. 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.