Acoustical engineering consulting services · Minnesota

I & S Group Inc

Mankato, MN · ~341 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
0.7
Avg TCR
0.5
Industry avg
0
Fatalities
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The verdict

I & S Group Inc runs at 138% of its industry's injury rate - more dangerous than the typical Acoustical engineering consulting services workplace, earning a grade D.

I & S Group Inc: 0.7 TCR = 138% of Acoustical engineering consulting services BLS 0.5 · 2y Form 300A (see methodology below)

I & S Group Inc safety composite

I & S Group Inc scores strongest on dart rate (safer than 70% of same-industry peers) and weakest on fatalities (safer than 51%), 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

61/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 0.69 per 100 workers

Safer than 59% of industry peers

DART rate
C 0 per 100 workers

Safer than 70% 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%).

TCR Δ

−0.9

2019→2021

I & S Group Inc injury rate improved

I & S Group Inc's TCR fell 0.9 from 1.1 in 2019 to 0.2 in 2021. Peak filing year was 2019 at 1.1 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2019=1.1 · 2021=0.2

OSHA ITA Form 300A scorecard

Establishment book 541330 · Mankato, MN ABOVE-IND · MID

Grade D · TCR 0.7 · 138% of ind

  • DART 0.0 DART
  • RANK #11/33
  • PHOTO BOS E US VA Spring…
  • BOOK 2y book
  • INJ 5 inj
  • SIZE ~341 FTE

Nearest TCR peer: BOS E US VA Springfield VA VA984 (0.0 TCR gap)

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

I & S Group Inc in the TCR neighbourhood

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

TCR

What this shows I & S Group Inc averages 0.7 TCR (138% of the Acoustical engineering consulting services BLS benchmark).

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

I & S Group Inc TCR series: 2019=1.1 · 2021=0.2 · BLS 0.5

Where I & S Group Inc falls in its industry

690 Acoustical engineering consult establishments

Safer than 59% of graded establishments in this industry, whose median TCR is 0.9.

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 33 Acoustical engineering consult employers in Minnesota.

I & S Group Inc (341 employees, TCR 0.7) among 29 same-industry peers, split at the industry median of 112 employees and a TCR of 0.9 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 01,0002,0003,0004,000 051015 Average employees Total Case Rate I & S Group Inc
I & S Group Inc (341 employees, TCR 0.7) among 29 same-industry peers, split at the industry median of 112 employees and a TCR of 0.9

I & S Group Inc has more employees than the Acoustical engineering consulting servic median and a lower injury rate than the industry's median TCR of 0.9. 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
2021 0.2 0.0 1 0 0
2019 1.1 0.3 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

541330 · MN · Mankato

690 Acoustical engineering consulting services employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 214 employers in Mankato, MN · 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 BOS E US VA Springfield VA VA984 0.7 TCR
NAICS-TCR SJB Group, LLC 0.7 TCR
NAICS-TCR McLaren Performance 0.7 TCR
NAICS-TCR SEH - Duluth 0.7 TCR
STATE-SIZE USG Interiors Cloquet 341 FTE
STATE-SIZE 3624 341 FTE
STATE-SIZE Owatonna 341 FTE
STATE-SIZE Health Center 341 FTE
CITY-NEAR Minnesota State University, Mankato 2,729 FTE
CITY-NEAR Mayo Clinic Health System-Mankato 2,468 FTE
CITY-NEAR MRCI - Premier Drive 1,641 FTE
CITY-NEAR Mankato Area Public Schools 1,200 FTE
NAT-TCR Fulfillment Plus 0.7 TCR
NAT-TCR Administrative Services 0.7 TCR
NAT-TCR OR2 0.7 TCR
NAT-TCR Ceballos Ag Services, Inc. 0.7 TCR
NAT-SIZE Benson Industries, Inc. 341 FTE
NAT-SIZE 4813-48130009-Freeman Expo Nashville 341 FTE
NAT-SIZE Proterra Greenville 341 FTE
NAT-SIZE 4818-LA01 341 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, 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.