Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing · Wisconsin

Serta Beloit

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

Beloit, WI · ~148 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 3.8
Avg TCR: 3.3
Industry avg: 1
Fatality

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The verdict

Serta Beloit runs at 114% of its industry's injury rate - about level with the typical Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing workplace, earning a grade C.

Serta Beloit: 3.8 TCR = 114% of Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Serta Beloit safety composite

Serta Beloit scores strongest on total case rate (tcr) (safer than 49% of same-industry peers) and weakest on fatalities (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).

28/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 3.75 per 100 workers

Safer than 49% of industry peers
DART rate: F 4.88 per 100 workers

Safer than 23% of industry peers
Fatalities: F 1

Safer than 1% 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

Serta Beloit: 3.0 → 5.7 TCR

Peak year 2021 @ 5.7 TCR · DART/TCR 1.3× in 2021

Serta Beloit's TCR rose 2.7 from 3.0 in 2019 to 5.7 in 2021. In 2021, DART was 1.3× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 337910 · Beloit, WI ABOVE-IND · MID

Grade C · TCR 3.8 · 114% of ind

DART 4.9 DART
RANK #2/4
PHOTO Serta Grovetown
BOOK 3y book
INJ 14 inj
SIZE ~148 FTE

Nearest TCR peer: Serta Grovetown (0.0 TCR gap)

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3.8
Serta Grovetow

3.8
Newnan, Herrin

3.7
Banner Mattres

3.7
Belmont

3.7

What this shows Serta Beloit averages 3.8 TCR (114% of the Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing BLS benchmark).

Serta Beloit TCR series: 2019=3 · 2020=2.6 · 2021=5.7 · BLS 3.3

Where Serta Beloit falls in its industry

160 Mattresses (i.e., box spring, establishments

Safer than 49% of graded establishments in this industry, whose median TCR is 3.8.

Grade C

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 4 Mattresses (i.e., box spring, employers in Wisconsin.

Serta Beloit (148 employees, TCR 3.8) among 29 same-industry peers, split at the industry median of 106 employees and a TCR of 3.8

Serta Beloit has more employees than the Mattresses (i.e., box spring, innersprin median and a higher injury rate than the industry's median TCR of 3.8. 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	Fatalities
2021	5.7	4.9	7	0
2020	2.6	1.7	3	0
2019	3.0	1.5	4	1

OSHA ITA peer cross-reference

Establishment peer ledger

337910 · WI · Beloit

160 Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 110 employers in Beloit, WI · 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	Serta Grovetown	GROVETOWN, GA	3.8 TCR
NAICS-TCR	Newnan, Herring 24	NEWNAN, GA	3.7 TCR
NAICS-TCR	Banner Mattress, Inc.	COLTON, CA	3.7 TCR
NAICS-TCR	Belmont	BELMONT, MS	3.7 TCR
STATE-SIZE	Wisconsin Film & Bag	SHAWANO	148 FTE
STATE-SIZE	Badger Color Concentrates Inc	MUKWONAGO	148 FTE
STATE-SIZE	New Berlin Plastics, Inc.	NEW BERLIN	148 FTE
STATE-SIZE	RathGibson LLC Janesville	JANESVILLE	148 FTE
CITY-NEAR	Amazon.com Services LLC - JVL1	Beloit	1,309 FTE
CITY-NEAR	Beloit Health System	Beloit	1,206 FTE
CITY-NEAR	Kerry Ingredients	Beloit	944 FTE
CITY-NEAR	Kerry Beloit	Beloit	938 FTE
NAT-TCR	American Dream Home Improvement, Inc.	Downers Grove, IL	3.8 TCR
NAT-TCR	Diebold Nixdorf Sacramento CA	Sacramento, CA	3.8 TCR
NAT-TCR	42938 - Columbus Fac	Columbus, OH	3.8 TCR
NAT-TCR	Quinnipiac Univ Rathsk	Hamden, CT	3.8 TCR
NAT-SIZE	Overhead Door Company of Central Arizona	Tempe, AZ	148 FTE
NAT-SIZE	ND,FARGO - Ambulance - Ambulance Services	Fargo, ND	148 FTE
NAT-SIZE	Niagara Falls Plant	Niagara Falls, NY	148 FTE
NAT-SIZE	Strack and Van Til St. John	St. John, IN	148 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, 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.