Electric Power Transmission, Control, and Distribution · Missouri

AMEREN MISSOURI - System Relay Services

Maryland Heights, MO · ~46 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
0.8
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

AMEREN MISSOURI - System Relay Services runs at 64% of its industry's injury rate - safer than the typical Electric Power Transmission, Control, and Distribution workplace, earning a grade B.

AMEREN MISSOURI - System Relay Services: 0.8 TCR = 64% of Electric Power Transmission, Control, and Distribution BLS 1.2 · 3y Form 300A (see methodology below)

AMEREN MISSOURI - System Relay Services safety composite

AMEREN MISSOURI - System Relay Services scores strongest on total case rate (tcr) (safer than 88% 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

76/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 0.77 per 100 workers

Safer than 88% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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%).

AMEREN MISSOURI - System Relay Services held a steady TCR band

AMEREN MISSOURI - System Relay Services's TCR held near 0.0 from 0.0 in 2016 to 0.0 in 2018. Peak filing year was 2017 at 2.3 TCR. In 2018, DART was 0× this establishment's average TCR (severity share of cases).

2016=0.0 · 2017=2.3 · 2018=0.0

OSHA ITA Form 300A scorecard

Establishment book 221122 · Maryland Heights, MO AT/BELOW-IND · SMALL

Grade B · TCR 0.8 · 64% of ind

  • DART 0.0 DART
  • RANK #8/127
  • PHOTO Western District
  • BOOK 3y book
  • INJ 1 inj
  • SIZE ~46 FTE

Nearest TCR peer: Western District (0.0 TCR gap)

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AMEREN MISSOURI - System Relay Services in the TCR neighbourhood

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

TCR

What this shows AMEREN MISSOURI - System Relay Services averages 0.8 TCR (64% of the Electric Power Transmission, Control, and Distribution BLS benchmark).

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

AMEREN MISSOURI - System Relay Services TCR series: 2016=0 · 2017=2.3 · 2018=0 · BLS 1.2

Where AMEREN MISSOURI - System Relay Services falls in its industry

2,958 Electric Power Transmission, C establishments

Safer than 88% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to Missouri alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 127 Electric Power Transmission, C employers in Missouri.

AMEREN MISSOURI - System Relay Services (46 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 2.5 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 05001,0001,5002,000 051015 Average employees Total Case Rate AMEREN MISSOURI - System Relay Services
AMEREN MISSOURI - System Relay Services (46 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 2.5

AMEREN MISSOURI - System Relay Services has fewer employees than the Electric Power Transmission, Control, an median and a lower injury rate than the industry's median TCR of 2.5. 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
2018 0.0 0.0 0 0 0
2017 2.3 0.0 1 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221122 · MO · Maryland Heights

2,958 Electric Power Transmission, Control, and Distribution employers nationwide with a credible TCR · 10,075 rated employers in Missouri with headcount on file · 112 employers in Maryland Heights, MO · 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 Western District 0.8 TCR
NAICS-TCR SN1 Sanford Service Center 0.8 TCR
NAICS-TCR AMEREN MISSOURI - Substation Maintenance Metro 0.8 TCR
NAICS-TCR Columbus Operations Center 0.8 TCR
STATE-SIZE Marshall, MO-PS 46 FTE
STATE-SIZE Three Rivers Electric Cooperative - Linn 46 FTE
STATE-SIZE JIS at ExxonMobil Billings 46 FTE
STATE-SIZE Sellenriek Energy Kingdom City 46 FTE
CITY-NEAR GHQ-Global Headquarters 2,598 FTE
CITY-NEAR GHQ-Global Headquaters 2,256 FTE
CITY-NEAR MO_Maryland Heights_13736 Riverport_21111080 1,005 FTE
CITY-NEAR Hollywood Casino St. Louis 874 FTE
NAT-TCR Lockheed Martin Corporation US TX Georgetown 105 W Coopera (5268) 0.8 TCR
NAT-TCR Bowhead Logistics Solutions 0.8 TCR
NAT-TCR Sister Schubert's Homade Rolls 0.8 TCR
NAT-TCR Fravert Services Inc. 0.8 TCR
NAT-SIZE Custom-Crete, Dallas 46 FTE
NAT-SIZE Penske : 3192-00 Whirlpool/Seattle, WA 46 FTE
NAT-SIZE JX Peterbilt - Bloomington 46 FTE
NAT-SIZE JX Peterbilt - Rockford 46 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: 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.