Curtain wall, glass, installation · Maryland

Main Office

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

Gaithersburg, MD · ~21 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 2.6
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Main Office runs at 93% of its industry's injury rate - about level with the typical Curtain wall, glass, installation workplace, earning a grade C.

Main Office: 2.6 TCR = 93% of Curtain wall, glass, installation BLS 2.8 · 2y Form 300A (see methodology below)

Main Office safety composite

Main Office scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

69/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.6 per 100 workers

Safer than 70% of industry peers
DART rate: B 0 per 100 workers

Safer than 80% of industry peers
Fatalities: D 0

Safer than 50% 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

−5.2

2022→2023

Main Office injury rate improved

Main Office's TCR fell 5.2 from 5.2 in 2022 to 0.0 in 2023. Peak filing year was 2022 at 5.2 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2022=5.2 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 238150 · Gaithersburg, MD AT/BELOW-IND · SMALL

Grade C · TCR 2.6 · 93% of ind

DART 0.0 DART
RANK #6/15
PHOTO Ruston Glass & Mirror
BOOK 2y book
INJ 1 inj
SIZE ~21 FTE

Nearest TCR peer: Ruston Glass & Mirror (0.0 TCR gap)

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This site

2.6
Ruston Glass &

2.6
Glass, Inc.

2.6
Home Office

2.6
La Mesa Glass,

2.6

What this shows Main Office averages 2.6 TCR (93% of the Curtain wall, glass, installation BLS benchmark).

Main Office TCR series: 2022=5.2 · 2023=0 · BLS 2.8

Where Main Office falls in its industry

531 Curtain wall, glass, installat establishments

Safer than 70% of graded establishments in this industry, whose median TCR is 4.3.

Grade C

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #6 safest of 15 Curtain wall, glass, installat employers in Maryland.

Main Office (21 employees, TCR 2.6) among 29 same-industry peers, split at the industry median of 43 employees and a TCR of 4.3

Main Office has fewer employees than the Curtain wall, glass, installation median and a lower injury rate than the industry's median TCR of 4.3. 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	Illnesses	Fatalities
2023	0.0	0.0	0	0	0
2022	5.2	5.2	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238150 · MD · Gaithersburg

531 Curtain wall, glass, installation employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 202 employers in Gaithersburg, 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	Ruston Glass & Mirror	RUSTON, LA	2.6 TCR
NAICS-TCR	Glass, Inc.	MERIDIAN, MS	2.6 TCR
NAICS-TCR	Home Office	PARKER, CO	2.6 TCR
NAICS-TCR	La Mesa Glass, Inc.	SANTEE, CA	2.6 TCR
STATE-SIZE	Salisbury Hatchery #2	SALISBURY	21 FTE
STATE-SIZE	1996-Galena, MD (Monsanto Co.)	GALENA	21 FTE
STATE-SIZE	Mag Spec Chemicals OH	BALTIMORE	21 FTE
STATE-SIZE	Orsted - Annapolis	ANNAPOLIS	21 FTE
CITY-NEAR	AstraZeneca Gaithersburg Campus	Gaithersburg	4,117 FTE
CITY-NEAR	MDGAI - GAITHERSBURG HUB	Gaithersburg	794 FTE
CITY-NEAR	Adventist Healthcare Support Center to SGMC	Gaithersburg	764 FTE
CITY-NEAR	MDGAI - GAITHERSBURG-PACKAGE CENTER	Gaithersburg	759 FTE
NAT-TCR	Suit-Kote Meadville (Road)	Meadville, PA	2.6 TCR
NAT-TCR	MCAM	Stockton, CA	2.6 TCR
NAT-TCR	Abilities Services, Inc.	Crawfordsville, IN	2.6 TCR
NAT-TCR	Avon Elementary	Albany, MN	2.6 TCR
NAT-SIZE	Wenatchee HQ - Fish & Wildlife (Location)	Wenatchee, WA	21 FTE
NAT-SIZE	Robert L Fry & Associates, Inc	West Jefferson, OH	21 FTE
NAT-SIZE	Urban Contractors LLC	Oklahoma City, OK	21 FTE
NAT-SIZE	Amalgamate Processing Inc - Dallas	Dallas, TX	21 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: 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.