Air system balancing and testing · Maryland

Calvert Controls, Inc.

Name: Calvert Controls, Inc. Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Prince Frederick, MD · ~38 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · September 26, 2026

B
Good Safety Record: 1.5
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Calvert Controls, Inc. runs at 54% of its industry's injury rate - safer than the typical Air system balancing and testing workplace, earning a grade B.

Calvert Controls, Inc.: 1.5 TCR = 54% of Air system balancing and testing BLS 2.8 · 2y Form 300A (see methodology below)

Calvert Controls, Inc. safety composite

Calvert Controls, Inc. scores strongest on dart rate (safer than 80% 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).

72/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 1.5 per 100 workers

Safer than 78% of industry peers
DART rate: B 0 per 100 workers

Safer than 80% 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

−3.0

2019→2020

Calvert Controls, Inc. injury rate improved

Calvert Controls, Inc.'s TCR fell 3.0 from 3.0 in 2019 to 0.0 in 2020. Peak filing year was 2019 at 3.0 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2019=3.0 · 2020=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Prince Frederick, MD AT/BELOW-IND · SMALL

Grade B · TCR 1.5 · 54% of ind

DART 0.0 DART
RANK #33/121
PHOTO El Cerrito
BOOK 2y book
INJ 1 inj
SIZE ~38 FTE

Nearest TCR peer: El Cerrito (0.0 TCR gap)

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

This site

1.5
El Cerrito

1.5
Cal Pacific Sy

1.5
Bruce Mechanic

1.5
Acres & Son Pl

1.5

What this shows Calvert Controls, Inc. averages 1.5 TCR (54% of the Air system balancing and testing BLS benchmark).

Calvert Controls, Inc. TCR series: 2019=3 · 2020=0 · BLS 2.8

Where Calvert Controls, Inc. falls in its industry

5,793 Air system balancing and testi establishments

Safer than 78% of graded establishments in this industry, whose median TCR is 3.3.

Grade B

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #33 safest of 121 Air system balancing and testi employers in Maryland.

Calvert Controls, Inc. (38 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Calvert Controls, Inc. has fewer employees than the Air system balancing and testing median and a lower injury rate than the industry's median TCR of 3.3. 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
2020	0.0	0.0	0	0	0
2019	3.0	0.0	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MD · Prince Frederick

5,793 Air system balancing and testing employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 24 employers in Prince 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	El Cerrito	EL CERRITO, CA	1.5 TCR
NAICS-TCR	Cal Pacific Systems	BRISBANE, CA	1.5 TCR
NAICS-TCR	Bruce Mechanical of Colorado, Inc.	DENVER, CO	1.5 TCR
NAICS-TCR	Acres & Son Plumbing, Inc.	NAPLES, FL	1.5 TCR
STATE-SIZE	Funny Girl First Touring LLC	COLUMBIA	38 FTE
STATE-SIZE	WAWA SITE - 8500	FALLSTON	38 FTE
STATE-SIZE	183 WASHINGTON	LANDOVER	38 FTE
STATE-SIZE	PHRG MD RIO	ELKRIDGE	38 FTE
CITY-NEAR	CalvertHealth Medical Center	Prince Frederick	1,211 FTE
CITY-NEAR	Calvert County Government	Prince Frederick	1,140 FTE
CITY-NEAR	CalvertHealth Systems	Prince Frederick	935 FTE
CITY-NEAR	1716	Prince Frederick	197 FTE
NAT-TCR	USW - Tualatin	Tualatin, OR	1.5 TCR
NAT-TCR	LCO Toledo Regional Office	Maumee, OH	1.5 TCR
NAT-TCR	Coca-Cola North America	Grand Prairie, TX	1.5 TCR
NAT-TCR	Parkridge Medical Center	Chattanooga, TN	1.5 TCR
NAT-SIZE	Aiello DH	Staten Island, NY	38 FTE
NAT-SIZE	Reliance Industries	Deer Park, TX	38 FTE
NAT-SIZE	Sheridan Care Center	Sheridan, OR	38 FTE
NAT-SIZE	San Antonio Lumber	San Antonio, TX	38 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: 2020, 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.