Precision turned product manufacturing · Wisconsin

Instrument Development Company, LLC

Name: Instrument Development Company, LLC Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Mukwonago, WI · ~138 workers · 6 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 2.0
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Instrument Development Company, LLC runs at 61% of its industry's injury rate - safer than the typical Precision turned product manufacturing workplace, earning a grade B.

Instrument Development Company, LLC: 2.0 TCR = 61% of Precision turned product manufacturing BLS 3.3 · 6y Form 300A (see methodology below)

Instrument Development Company, LLC safety composite

Instrument Development Company, LLC scores strongest on total case rate (tcr) (safer than 80% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

71/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 2.01 per 100 workers

Safer than 80% of industry peers
DART rate: B 0 per 100 workers

Safer than 77% 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

−3.1

2016→2023

Instrument Development Company, LLC injury rate improved

Instrument Development Company, LLC's TCR fell 3.1 from 5.4 in 2016 to 2.3 in 2023. Peak filing year was 2016 at 5.4 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2016=5.4 · 2018=1.9 · 2020=1.8 · 2021=0.0 · 2022=0.8 · 2023=2.3

OSHA ITA Form 300A scorecard

Establishment book 332721 · Mukwonago, WI AT/BELOW-IND · MID

Grade B · TCR 2.0 · 61% of ind

DART 0.0 DART
RANK #3/32
PHOTO Sentech
BOOK 6y book
INJ 8 inj
SIZE ~138 FTE

Nearest TCR peer: Sentech (0.0 TCR gap)

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This site

2
Sentech

2
EMC Precision

2
Benchmark Elec

2
MIC Group LLC

2

What this shows Instrument Development Company, LLC averages 2.0 TCR (61% of the Precision turned product manufacturing BLS benchmark).

Instrument Development Company, LLC TCR series: 2016=5.4 · 2018=1.9 · 2020=1.8 · 2021=0 · 2022=0.8 · 2023=2.3 · BLS 3.3

Where Instrument Development Company, LLC falls in its industry

464 Precision turned product manuf establishments

Safer than 80% of graded establishments in this industry, whose median TCR is 3.6.

Grade B

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #3 safest of 32 Precision turned product manuf employers in Wisconsin.

Instrument Development Company, LLC (138 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 61 employees and a TCR of 3.6

Instrument Development Company, LLC has more employees than the Precision turned product manufacturing 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
2023	2.3	0.0	0	3
2022	0.8	0.8	0	1
2021	0.0	0.0	0	0
2020	1.8	0.0	2	0
2018	1.9	0.9	1	1
2016	5.4	0.0	5	0

OSHA ITA peer cross-reference

Establishment peer ledger

332721 · WI · Mukwonago

464 Precision turned product manufacturing employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 32 employers in Mukwonago, 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	Sentech	AUSTIN, TX	2.0 TCR
NAICS-TCR	EMC Precision	ELYRIA, OH	2.0 TCR
NAICS-TCR	Benchmark Electronics - Mesa	MESA, AZ	2.0 TCR
NAICS-TCR	MIC Group LLC - Brenham East	BRENHAM, TX	2.0 TCR
STATE-SIZE	Pewaukee Customer Contact Center	WAUKESHA	138 FTE
STATE-SIZE	Century Fence Company	PEWAUKEE	138 FTE
STATE-SIZE	Westby Cooperative Creamery	WESTBY	138 FTE
STATE-SIZE	Whitehall Specialties - Plant 1	WHITEHALL	138 FTE
CITY-NEAR	Aptar - Mukwonago	Mukwonago	463 FTE
CITY-NEAR	WM 1571	Mukwonago	424 FTE
CITY-NEAR	1571	Mukwonago	366 FTE
CITY-NEAR	Mukwonago Operations	Mukwonago	347 FTE
NAT-TCR	Dickinson Feed	Dickinson, ND	2.0 TCR
NAT-TCR	Manna Pro Products Denver	Denver, CO	2.0 TCR
NAT-TCR	Unit #1320	Winston Salem, NC	2.0 TCR
NAT-TCR	Unit #1337	Downey, CA	2.0 TCR
NAT-SIZE	Fiesta # 53	Irving, TX	138 FTE
NAT-SIZE	Unit #0696	Tukwila, WA	138 FTE
NAT-SIZE	Unit #2463	Staten Island, NY	138 FTE
NAT-SIZE	Worldwide Machinery Aurora CO	Aurora, CO	138 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, 2021, 2020, 2018, 2016. 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.