Building insulation contractors · Virginia

Southland Insulators of Manassas

Name: Southland Insulators of Manassas Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Manassas, VA · ~118 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 7.9
Avg TCR: 2.8
Industry avg: 0
Fatalities

Subscribe to safety-record updates (RSS)

The verdict

Southland Insulators of Manassas runs at 281% of its industry's injury rate - far more dangerous than the typical Building insulation contractors workplace, earning a grade F.

Southland Insulators of Manassas: 7.9 TCR = 281% of Building insulation contractors BLS 2.8 · 2y Form 300A (see methodology below)

Southland Insulators of Manassas safety composite

Southland Insulators of Manassas scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 6%), 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).

21/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 7.86 per 100 workers

Safer than 16% of industry peers
DART rate: F 10.59 per 100 workers

Safer than 6% 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%).

Rising injury rate

Southland Insulators of Manassas: 5.1 → 10.6 TCR

Peak year 2023 @ 10.6 TCR · DART/TCR 1.35× in 2023

Southland Insulators of Manassas's TCR rose 5.5 from 5.1 in 2022 to 10.6 in 2023. In 2023, DART was 1.35× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238310 · Manassas, VA ABOVE-IND · MID

Grade F · TCR 7.9 · 281% of ind

DART 10.6 DART
RANK #51/52
PHOTO Rocky Mountain Inter…
BOOK 2y book
INJ 18 inj
SIZE ~118 FTE

Nearest TCR peer: Rocky Mountain Interior Construction, Inc. (0.0 TCR gap)

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

This site

7.9
Rocky Mountain

7.9
Northwest Insu

7.9
Marshall Insul

7.8
Redhawk Drywal

7.8

What this shows Southland Insulators of Manassas averages 7.9 TCR (281% of the Building insulation contractors BLS benchmark).

Southland Insulators of Manassas TCR series: 2022=5.1 · 2023=10.6 · BLS 2.8

Where Southland Insulators of Manassas falls in its industry

1,613 Building insulation contractor establishments

Safer than 16% of graded establishments in this industry, whose median TCR is 3.4.

Grade F

More dangerous than peersSafer than peers

Narrower to Virginia alone (the establishments it most directly competes with for workers and contracts): ranked #51 safest of 52 Building insulation contractor employers in Virginia.

Southland Insulators of Manassas (118 employees, TCR 7.9) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 3.4

Southland Insulators of Manassas has more employees than the Building insulation contractors median and a higher injury rate than the industry's median TCR of 3.4. 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	10.6	10.6	12	0	0
2022	5.1	5.1	6	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238310 · VA · Manassas

1,613 Building insulation contractors employers nationwide with a credible TCR · 12,673 rated employers in Virginia with headcount on file · 278 employers in Manassas, VA · 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	Rocky Mountain Interior Construction, Inc.	COLORADO SPRINGS, CO	7.9 TCR
NAICS-TCR	Northwest Insulation #280	ELGIN, IL	7.9 TCR
NAICS-TCR	Marshall Insulation #861	TEMPE, AZ	7.8 TCR
NAICS-TCR	Redhawk Drywall Service, Inc.	SNOHOMISH, WA	7.8 TCR
STATE-SIZE	Howard Shockey & Sons	WINCHESTER	118 FTE
STATE-SIZE	I-64 Capacity Improvs. Segment II	GLEN ALLEN	118 FTE
STATE-SIZE	4201 Park Place Ct. Glen Allen VA 23060	GLEN ALLEN	118 FTE
STATE-SIZE	Inspiration Plumbing LLC	STERLING	118 FTE
CITY-NEAR	Micron INC. Manassas, VA	Manassas	1,617 FTE
CITY-NEAR	Micron Technology Virginia	Manassas	1,432 FTE
CITY-NEAR	Manassas City Public Schools	Manassas	1,342 FTE
CITY-NEAR	Checks and Balances, Inc.	Manassas	1,316 FTE
NAT-TCR	Frontier Waste Solutions - Justin	Justin, TX	7.9 TCR
NAT-TCR	Oak Grove Store	Milwaukie, OR	7.9 TCR
NAT-TCR	American Phoenix, Inc. Topeka	Topeka, KS	7.9 TCR
NAT-TCR	Coldwater Comm Schls *	Coldwater, MI	7.9 TCR
NAT-SIZE	Kimball Health Services	Kimball, NE	118 FTE
NAT-SIZE	Patriot Disposal, Inc.	Prescott Valley, AZ	118 FTE
NAT-SIZE	InterContinental MSP	Saint Paul, MN	118 FTE
NAT-SIZE	IL.BOLIN.4 - Ricoh Americas Holdings, Inc	Bolingbrook, IL	118 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.