Precision turned product manufacturing · Michigan

Invo Spline, Inc.

Warren, MI · ~24 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Invo Spline, Inc. runs at 132% of its industry's injury rate - more dangerous than the typical Precision turned product manufacturing workplace, earning a grade D.

Invo Spline, Inc.: 4.4 TCR = 132% of Precision turned product manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Invo Spline, Inc. safety composite

Invo Spline, Inc. scores strongest on dart rate (safer than 77% of same-industry peers) and weakest on total case rate (tcr) (safer than 42%), 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).

C

56/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.36 per 100 workers

Safer than 42% 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

−8.7

2019→2022

Invo Spline, Inc. injury rate improved

Invo Spline, Inc.'s TCR fell 8.7 from 8.7 in 2019 to 0.0 in 2022. Peak filing year was 2019 at 8.7 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

2019=8.7 · 2022=0.0

OSHA ITA Form 300A scorecard

Establishment book 332721 · Warren, MI ABOVE-IND · SMALL

Grade D · TCR 4.4 · 132% of ind

  • DART 0.0 DART
  • RANK #27/53
  • PHOTO H&H Swiss Machine Pr…
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~24 FTE

Nearest TCR peer: H&H Swiss Machine Products Inc (0.0 TCR gap)

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

Invo Spline, Inc. in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Invo Spline, Inc. averages 4.4 TCR (132% of the Precision turned product manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Invo Spline, Inc. TCR series: 2019=8.7 · 2022=0 · BLS 3.3

Where Invo Spline, Inc. falls in its industry

464 Precision turned product manuf establishments

Safer than 42% of graded establishments in this industry, whose median TCR is 3.6.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #27 safest of 53 Precision turned product manuf employers in Michigan.

Invo Spline, Inc. (24 employees, TCR 4.4) among 29 same-industry peers, split at the industry median of 61 employees and a TCR of 3.6 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0100200300400 051015 Average employees Total Case Rate Invo Spline, Inc.
Invo Spline, Inc. (24 employees, TCR 4.4) among 29 same-industry peers, split at the industry median of 61 employees and a TCR of 3.6

Invo Spline, Inc. has fewer employees than the Precision turned product manufacturing median and a higher 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 Fatalities
2022 0.0 0.0 0 0 0
2019 8.7 4.4 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332721 · MI · Warren

464 Precision turned product manufacturing employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 290 employers in Warren, MI · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR H&H Swiss Machine Products Inc 4.4 TCR
NAICS-TCR Autocam Corporation Marshall 4.3 TCR
NAICS-TCR MacKay Manufacturing 4.4 TCR
NAICS-TCR Topcraft Precision Manufactured Solutions, Inc 4.4 TCR
STATE-SIZE Medina Dairy, LLC 24 FTE
STATE-SIZE Sturgis 24 FTE
STATE-SIZE CE Innovation Center 24 FTE
STATE-SIZE Water Filtration and Meter Shop 24 FTE
CITY-NEAR Warren Technical Center 22,693 FTE
CITY-NEAR GM Global Technical Center 21,000 FTE
CITY-NEAR Warren Truck Assembly Plant 3,804 FTE
CITY-NEAR 1855-MIDET153 1,903 FTE
NAT-TCR Bed Bath and Beyond Huebner Oaks San Antonio 4.4 TCR
NAT-TCR Wegmans DeWitt 030 4.4 TCR
NAT-TCR Leader Paper Products - Milwaukee 4.4 TCR
NAT-TCR Coyne Chemical - Croydon 4.4 TCR
NAT-SIZE Riverside Brookfield 24 FTE
NAT-SIZE 5732 - Roanoke 24 FTE
NAT-SIZE Swire Coca-Cola of Pendleton 24 FTE
NAT-SIZE Swire Coca-Cola of Richfield 24 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: 2022, 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.