Transmission and distribution line construction · Colorado

Great Southwest Construction

Castle Rock, CO · ~607 workers · 5 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.2
Avg TCR
2.8
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Great Southwest Construction runs at 44% of its industry's injury rate - far safer than the typical Transmission and distribution line construction workplace, earning a grade A.

Great Southwest Construction: 1.2 TCR = 44% of Transmission and distribution line construction BLS 2.8 · 5y Form 300A (see methodology below)

Great Southwest Construction safety composite

Great Southwest Construction scores strongest on total case rate (tcr) (safer than 68% of same-industry peers) and weakest on fatalities (safer than 52%), 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

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.23 per 100 workers

Safer than 68% of industry peers

DART rate
C 0.13 per 100 workers

Safer than 55% of industry peers

Fatalities
D 0

Safer than 52% 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

−1.4

2016→2021

Great Southwest Construction injury rate improved

Great Southwest Construction's TCR fell 1.4 from 2.1 in 2016 to 0.7 in 2021. Peak filing year was 2016 at 2.1 TCR. In 2021, DART was 0.11× this establishment's average TCR (severity share of cases).

2016=2.1 · 2017=0.6 · 2018=1.6 · 2020=1.2 · 2021=0.7

OSHA ITA Form 300A scorecard

Establishment book 237130 · Castle Rock, CO AT/BELOW-IND · MID

Grade A · TCR 1.2 · 44% of ind

  • DART 0.1 DART
  • RANK #19/65
  • PHOTO Energis
  • BOOK 5y book
  • INJ 37 inj
  • SIZE ~607 FTE

Nearest TCR peer: Energis (0.0 TCR gap)

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

Great Southwest Construction in the TCR neighbourhood

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

TCR

What this shows Great Southwest Construction averages 1.2 TCR (44% of the Transmission and distribution line construction BLS benchmark).

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

Great Southwest Construction TCR series: 2016=2.1 · 2017=0.6 · 2018=1.6 · 2020=1.2 · 2021=0.7 · BLS 2.8

Where Great Southwest Construction falls in its industry

1,605 Transmission and distribution establishments

Safer than 68% of graded establishments in this industry, whose median TCR is 2.0.

More dangerous than peersSafer than peers

Narrower to Colorado alone (the establishments it most directly competes with for workers and contracts): ranked #19 safest of 65 Transmission and distribution employers in Colorado.

Great Southwest Construction (607 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 2.0 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 0200400600800 05101520 Average employees Total Case Rate Great Southwest Construction
Great Southwest Construction (607 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 2.0

Great Southwest Construction has more employees than the Transmission and distribution line const median and a lower injury rate than the industry's median TCR of 2.0. 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 0.7 0.1 5 0 0
2020 1.2 0.5 10 0 0
2018 1.6 0.2 10 0 0
2017 0.6 0.4 3 0 0
2016 2.1 0.9 9 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237130 · CO · Castle Rock

1,605 Transmission and distribution line construction employers nationwide with a credible TCR · 9,007 rated employers in Colorado with headcount on file · 75 employers in Castle Rock, CO · 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 Energis 1.2 TCR
NAICS-TCR Henkels & McCoy, Inc - Newark, NJ 1.2 TCR
NAICS-TCR Big Bend Power Station 1.2 TCR
NAICS-TCR SAC Wireless 1.2 TCR
STATE-SIZE Otter Products - Head Quarters 607 FTE
STATE-SIZE Louisville - LOU 608 FTE
STATE-SIZE Highlands Ranch Hospital 606 FTE
STATE-SIZE Jabil Inc. 609 FTE
CITY-NEAR Great Southwestern Construction, Inc. 977 FTE
CITY-NEAR Castle Rock Adventist Hospital 903 FTE
CITY-NEAR CastleRock Adventist Hospital 690 FTE
CITY-NEAR AdventHealth Castle Rock 684 FTE
NAT-TCR 03-20-02 South Div - Peachtree Region 1.2 TCR
NAT-TCR Rochester FS (SSS, CSS) 1.2 TCR
NAT-TCR Dhs Crds 1.2 TCR
NAT-TCR International Paper Recycling - Phoenix 1.2 TCR
NAT-SIZE Van Diest Supply Company Main Campus 607 FTE
NAT-SIZE Monterey Mushrooms Inc 607 FTE
NAT-SIZE West-Ward Cherry Hill 607 FTE
NAT-SIZE Airborn, Inc. (Georgetown) 607 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, 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.