Letters for signs manufacturing · California

Maxwell Alarm Screen Mfg., Inc.

Name: Maxwell Alarm Screen Mfg., Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Chatsworth, CA · ~31 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 9.5
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Maxwell Alarm Screen Mfg., Inc. runs at 287% of its industry's injury rate - far more dangerous than the typical Letters for signs manufacturing workplace, earning a grade F.

Maxwell Alarm Screen Mfg., Inc.: 9.5 TCR = 287% of Letters for signs manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Maxwell Alarm Screen Mfg., Inc. safety composite

Maxwell Alarm Screen Mfg., Inc. scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 1%), 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).

15/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 9.47 per 100 workers

Safer than 6% of industry peers
DART rate: F 18.94 per 100 workers

Safer than 1% 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%).

Rising injury rate

Maxwell Alarm Screen Mfg., Inc.: 0.0 → 18.9 TCR

Peak year 2018 @ 18.9 TCR · DART/TCR 2× in 2018

Maxwell Alarm Screen Mfg., Inc.'s TCR rose 18.9 from 0.0 in 2017 to 18.9 in 2018. In 2018, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 339950 · Chatsworth, CA ABOVE-IND · SMALL

Grade F · TCR 9.5 · 287% of ind

DART 18.9 DART
RANK #25/26
PHOTO The Sign House Inc
BOOK 2y book
INJ 5 inj
SIZE ~31 FTE

Nearest TCR peer: The Sign House Inc (0.1 TCR gap)

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

2480 Greenleaf

9.6
This site

9.5
The Sign House

9.5
TD Fischer Gro

9.3
1 Hour Signs,

9.2

What this shows Maxwell Alarm Screen Mfg., Inc. averages 9.5 TCR (287% of the Letters for signs manufacturing BLS benchmark).

Maxwell Alarm Screen Mfg., Inc. TCR series: 2017=0 · 2018=18.9 · BLS 3.3

Where Maxwell Alarm Screen Mfg., Inc. falls in its industry

405 Letters for signs manufacturin establishments

Safer than 6% of graded establishments in this industry, whose median TCR is 3.5.

Grade F

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #25 safest of 26 Letters for signs manufacturin employers in California.

Maxwell Alarm Screen Mfg., Inc. (31 employees, TCR 9.5) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 3.5

Maxwell Alarm Screen Mfg., Inc. has fewer employees than the Letters for signs manufacturing median and a higher injury rate than the industry's median TCR of 3.5. 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	Illnesses	Fatalities
2018	18.9	18.9	5	0	0
2017	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

339950 · CA · Chatsworth

405 Letters for signs manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 132 employers in Chatsworth, 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	The Sign House Inc	SALINA, KS	9.5 TCR
NAICS-TCR	2480 Greenleaf Ave	ELK GROVE VILLAGE, IL	9.6 TCR
NAICS-TCR	TD Fischer Group Inc	WAUSAU, WI	9.3 TCR
NAICS-TCR	1 Hour Signs, Inc.	MIDWAY, FL	9.2 TCR
STATE-SIZE	GCF	SANTA MARIA	31 FTE
STATE-SIZE	Nielsen Farms	SALINAS	31 FTE
STATE-SIZE	Western Star Nurseries LLC	SUNOL	31 FTE
STATE-SIZE	Progressive Growers Inc	VISTA	31 FTE
CITY-NEAR	Thibiant International	Chatsworth	666 FTE
CITY-NEAR	AMZL : DLA4	Chatsworth	620 FTE
CITY-NEAR	Noble House Home Furnishings	Chatsworth	562 FTE
CITY-NEAR	kdc/ one	Chatsworth	540 FTE
NAT-TCR	LC034 - Halethorpe, MD	Halethorpe, MD	9.5 TCR
NAT-TCR	Rochester (Nyrhe)	Rochester, NY	9.5 TCR
NAT-TCR	Butte (Mtbut)	Butte, MT	9.5 TCR
NAT-TCR	Allegheny Petroleum/Ambridge	Ambridge, PA	9.5 TCR
NAT-SIZE	Martin Overhead Garage Door Service Inc.	St. Peters, MO	31 FTE
NAT-SIZE	Superior Lawns Inc.-Plainfield Branch	Plainfield, IL	31 FTE
NAT-SIZE	Bieker Electric, Inc.	Fort Smith, AR	31 FTE
NAT-SIZE	0175 - Laurel, Md	Laurel, MD	31 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: 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.