Chairs (except wood), office-type, manufacturing · Michigan

MillerKnoll Seating Greenhouse

Name: MillerKnoll Seating Greenhouse Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Holland, MI · ~392 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 3.2
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

MillerKnoll Seating Greenhouse runs at 96% of its industry's injury rate - about level with the typical Chairs (except wood), office-type, manufacturing workplace, earning a grade C.

MillerKnoll Seating Greenhouse: 3.2 TCR = 96% of Chairs (except wood), office-type, manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

MillerKnoll Seating Greenhouse safety composite

MillerKnoll Seating Greenhouse scores strongest on total case rate (tcr) (safer than 59% of same-industry peers) and weakest on dart rate (safer than 38%), 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).

49/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 3.17 per 100 workers

Safer than 59% of industry peers
DART rate: D 2.35 per 100 workers

Safer than 38% 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

−0.6

2022→2024

MillerKnoll Seating Greenhouse injury rate improved

MillerKnoll Seating Greenhouse's TCR fell 0.6 from 3.0 in 2022 to 2.4 in 2024. Peak filing year was 2023 at 4.2 TCR. In 2024, DART was 0.74× this establishment's average TCR (severity share of cases).

2022=3.0 · 2023=4.2 · 2024=2.4

OSHA ITA Form 300A scorecard

Establishment book 337214 · Holland, MI AT/BELOW-IND · MID

Grade C · TCR 3.2 · 96% of ind

DART 2.4 DART
RANK #15/42
PHOTO OFS Brands Plant 21
BOOK 3y book
INJ 31 inj
SIZE ~392 FTE

Nearest TCR peer: OFS Brands Plant 21 (0.1 TCR gap)

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Humanscale - F

3.3
Interior Conce

3.3
This site

3.2
OFS Brands Pla

3.1
Knoll Inc

3.1

What this shows MillerKnoll Seating Greenhouse averages 3.2 TCR (96% of the Chairs (except wood), office-type, manufacturing BLS benchmark).

MillerKnoll Seating Greenhouse TCR series: 2022=3 · 2023=4.2 · 2024=2.4 · BLS 3.3

Where MillerKnoll Seating Greenhouse falls in its industry

123 Chairs (except wood), office-t establishments

Safer than 59% of graded establishments in this industry, whose median TCR is 3.6.

Grade C

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #15 safest of 42 Chairs (except wood), office-t employers in Michigan.

MillerKnoll Seating Greenhouse (392 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 127 employees and a TCR of 3.6

MillerKnoll Seating Greenhouse has more employees than the Chairs (except wood), office-type, manuf median and a lower injury rate than the industry's median TCR of 3.6. 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
2024	2.4	2.4	7	0
2023	4.2	3.6	14	0
2022	3.0	2.2	10	1

OSHA ITA peer cross-reference

Establishment peer ledger

337214 · MI · Holland

123 Chairs (except wood), office-type, manufacturing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 299 employers in Holland, MI · 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	OFS Brands Plant 21	HUNTINGBURG, IN	3.1 TCR
NAICS-TCR	Knoll Inc	MUSKEGON, MI	3.1 TCR
NAICS-TCR	Humanscale - Fresno	FRESNO, CA	3.3 TCR
NAICS-TCR	Interior Concepts Corporation	SPRING LAKE, MI	3.3 TCR
STATE-SIZE	Tribar Manufacturing LLC	HOWELL	392 FTE
STATE-SIZE	Grand Hotel	MACKINAC ISLAND	392 FTE
STATE-SIZE	Stryker Craniomaxillofacial	PORTAGE	391 FTE
STATE-SIZE	226 - Algoma Twp	ROCKFORD	391 FTE
CITY-NEAR	LG Energy Solutions - Holland	Holland	1,263 FTE
CITY-NEAR	Haworth HQ	Holland	1,165 FTE
CITY-NEAR	Haworth Office	Holland	1,075 FTE
CITY-NEAR	PADNOS	Holland	912 FTE
NAT-TCR	West Coast Painting & Decorating, Inc.	Rocklin, CA	3.2 TCR
NAT-TCR	Cincinnati Plant	Cincinnati, OH	3.2 TCR
NAT-TCR	Distrcit 1 Maintance	Somerss, CT	3.2 TCR
NAT-TCR	Plant Sciences, Watsonville	Watsonville, CA	3.2 TCR
NAT-SIZE	Laurens County Medical Campus	Clinton, SC	392 FTE
NAT-SIZE	MasterBrand Cabinets, Inc.	Jasper, IN	392 FTE
NAT-SIZE	Allegro MicroSystems (Manchester)	Manchester, NH	392 FTE
NAT-SIZE	ABC Plumbing, Sewer, Heating, Cooling & Electric	Arlington Heights, IL	392 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: 2024, 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.