Air system balancing and testing · Iowa

System Dynamics, Inc.

Waukee, IA · ~22 workers · 2 years of OSHA Injury Tracking Application data.

C
Average Safety Record
0.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

System Dynamics, Inc. runs at 0% of its industry's injury rate - about level with the typical Air system balancing and testing workplace, earning a grade C.

System Dynamics, Inc.: 0.0 TCR = 0% of Air system balancing and testing BLS 2.8 · 2y Form 300A (see methodology below)

System Dynamics, Inc. safety composite

System Dynamics, Inc. scores strongest on total case rate (tcr) (safer than 100% 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).

B

81/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0 per 100 workers

Safer than 100% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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%).

System Dynamics, Inc. held a steady TCR band

System Dynamics, Inc.'s TCR held near 0.0 from 0.0 in 2020 to 0.0 in 2021. Peak filing year was 2020 at 0.0 TCR.

2020=0.0 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Waukee, IA AT/BELOW-IND · SMALL

Grade C · TCR 0.0 · 0% of ind

  • DART 0.0 DART
  • RANK #0/94
  • PHOTO Spectrum Mechanical,…
  • BOOK 2y book
  • INJ 0 inj
  • SIZE ~22 FTE

Nearest TCR peer: Spectrum Mechanical, LLC (0.0 TCR gap)

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

System Dynamics, Inc. in the TCR neighbourhood

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

TCR

What this shows System Dynamics, Inc. averages 0.0 TCR (0% of the Air system balancing and testing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-09-26

System Dynamics, Inc. TCR series: 2020=0 · 2021=0 · BLS 2.8

Where System Dynamics, Inc. falls in its industry

5,793 Air system balancing and testi establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #0 safest of 94 Air system balancing and testi employers in Iowa.

System Dynamics, Inc. (22 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 05101520 Average employees Total Case Rate System Dynamics, Inc.
System Dynamics, Inc. (22 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

System Dynamics, Inc. has fewer employees than the Air system balancing and testing median and a lower injury rate than the industry's median TCR of 3.3. 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 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IA · Waukee

5,793 Air system balancing and testing employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 21 employers in Waukee, IA · 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 Spectrum Mechanical, LLC 0.0 TCR
NAICS-TCR NXP Semiconductors 0.0 TCR
NAICS-TCR Houston, TX HVAC 0.1 TCR
NAICS-TCR Automated Logic Controls (Midwest) 0.1 TCR
STATE-SIZE Lake Park SNF Operator LLC 22 FTE
STATE-SIZE Water Distribution 22 FTE
STATE-SIZE Galaxy One Marketing Inc. - Metronet Quad Cities 22 FTE
STATE-SIZE Fire Station 5 22 FTE
CITY-NEAR Waukee - Main Store 469 FTE
CITY-NEAR Waukee 163 FTE
CITY-NEAR 3079 CENTRAL REGION-WAUKEE IA 147 FTE
CITY-NEAR 2662-3079 147 FTE
NAT-TCR Hampton Inn & Suites 0.0 TCR
NAT-TCR Gap Inc. - Corporate 0.0 TCR
NAT-TCR Atlanta - Phipps 0.0 TCR
NAT-TCR Meijer 208 0.0 TCR
NAT-SIZE Central Valley Casework Inc 22 FTE
NAT-SIZE AIM Janis Group Home 22 FTE
NAT-SIZE Perko's Cafe and Grill #132 22 FTE
NAT-SIZE Magik Enterprises, Inc 22 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. 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.