Electrical Contractors and Other Wiring Installation · Tennessee

Black Box Network Services, Inc. (GS)*

Murfreesboro, TN · ~71 workers · 5 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Black Box Network Services, Inc. (GS)* runs at 5% of its industry's injury rate - far safer than the typical Electrical Contractors and Other Wiring Installation workplace, earning a grade A.

Black Box Network Services, Inc. (GS)*: 0.1 TCR = 5% of Electrical Contractors and Other Wiring Installation BLS 2.8 · 5y Form 300A (see methodology below)

Black Box Network Services, Inc. (GS)* safety composite

Black Box Network Services, Inc. (GS)* scores strongest on total case rate (tcr) (safer than 99% 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

80/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.14 per 100 workers

Safer than 99% of industry peers

DART rate
B 0 per 100 workers

Safer than 78% 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%).

Black Box Network Services, Inc. (GS)* held a steady TCR band

Black Box Network Services, Inc. (GS)*'s TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2021. Peak filing year was 2018 at 0.7 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.0 · 2018=0.7 · 2019=0.0 · 2020=0.0 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 238210 · Murfreesboro, TN AT/BELOW-IND · SMALL

Grade A · TCR 0.1 · 5% of ind

  • DART 0.0 DART
  • RANK #1/95
  • PHOTO Dubak Electrical Mai…
  • BOOK 5y book
  • INJ 1 inj
  • SIZE ~71 FTE

Nearest TCR peer: Dubak Electrical Maintenance Corporation (0.0 TCR gap)

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Black Box Network Services, Inc. (GS)* in the TCR neighbourhood

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

TCR

What this shows Black Box Network Services, Inc. (GS)* averages 0.1 TCR (5% of the Electrical Contractors and Other Wiring Installation BLS benchmark).

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

Black Box Network Services, Inc. (GS)* TCR series: 2017=0 · 2018=0.7 · 2019=0 · 2020=0 · 2021=0 · BLS 2.8

Where Black Box Network Services, Inc. (GS)* falls in its industry

4,550 Electrical Contractors and Oth establishments

Safer than 99% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to Tennessee alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 95 Electrical Contractors and Oth employers in Tennessee.

Black Box Network Services, Inc. (GS)* (71 employees, TCR 0.1) among 29 same-industry peers, split at the industry median of 63 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 05001,0001,500 051015 Average employees Total Case Rate Black Box Network Services, Inc. (GS)*
Black Box Network Services, Inc. (GS)* (71 employees, TCR 0.1) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5

Black Box Network Services, Inc. (GS)* has more employees than the Electrical Contractors and Other Wiring 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
2021 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 0.7 0.7 1 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238210 · TN · Murfreesboro

4,550 Electrical Contractors and Other Wiring Installation employers nationwide with a credible TCR · 10,743 rated employers in Tennessee with headcount on file · 256 employers in Murfreesboro, TN · 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 Dubak Electrical Maintenance Corporation 0.1 TCR
NAICS-TCR ION Solar 0.1 TCR
NAICS-TCR IES Communications, LLC - Sterling 0.1 TCR
NAICS-TCR A-1 Electrical Contractors, Inc. 0.1 TCR
STATE-SIZE Pickwick Electric Cooperative 71 FTE
STATE-SIZE Pavement Restorations, Inc. 71 FTE
STATE-SIZE Four Star Paving LLC 71 FTE
STATE-SIZE Montgomery County Highway Department 71 FTE
CITY-NEAR City of Murfreesboro 2,295 FTE
CITY-NEAR TNNAS16 ASCENSION SAINT THOMAS RUTHERFORD 1,984 FTE
CITY-NEAR Amazon.com Services LLC - BNA3 1,811 FTE
CITY-NEAR North America Fulfillment Centers (FCs) : BNA3 1,708 FTE
NAT-TCR Majestic Steel USA - PP 0.1 TCR
NAT-TCR Performance Ellenbee - 1790 0.1 TCR
NAT-TCR Nestle USA Modesto 0.1 TCR
NAT-TCR Contract Land Staff, LLC 0.1 TCR
NAT-SIZE Central 71 FTE
NAT-SIZE CPS 71 FTE
NAT-SIZE OBA 71 FTE
NAT-SIZE Shiloh Steel Drive 71 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, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.