Transmission and distribution line construction · Colorado

Great Southwestern Construction, Inc.

Castle Rock, CO · ~977 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Great Southwestern Construction, Inc. runs at 40% of its industry's injury rate - far safer than the typical Transmission and distribution line construction workplace, earning a grade A.

Great Southwestern Construction, Inc.: 1.1 TCR = 40% of Transmission and distribution line construction BLS 2.8 · 2y Form 300A (see methodology below)

Great Southwestern Construction, Inc. safety composite

Great Southwestern Construction, Inc. scores strongest on total case rate (tcr) (safer than 71% of same-industry peers) and weakest on dart rate (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

60/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.11 per 100 workers

Safer than 71% of industry peers

DART rate
D 0.33 per 100 workers

Safer than 52% 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%).

Great Southwestern Construction, Inc. held a steady TCR band

Great Southwestern Construction, Inc.'s TCR held near 0.1 from 1.1 in 2023 to 1.1 in 2024. Peak filing year was 2023 at 1.1 TCR. In 2024, DART was 0.3× this establishment's average TCR (severity share of cases).

2023=1.1 · 2024=1.1

OSHA ITA Form 300A scorecard

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

Grade A · TCR 1.1 · 40% of ind

  • DART 0.3 DART
  • RANK #18/65
  • PHOTO Colorado Powerline I…
  • BOOK 2y book
  • INJ 20 inj
  • SIZE ~977 FTE

Nearest TCR peer: Colorado Powerline Inc. (0.0 TCR gap)

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

Great Southwestern Construction, Inc. in the TCR neighbourhood

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

TCR

What this shows Great Southwestern Construction, Inc. averages 1.1 TCR (40% 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 Southwestern Construction, Inc. TCR series: 2023=1.1 · 2024=1.1 · BLS 2.8

Where Great Southwestern Construction, Inc. falls in its industry

1,605 Transmission and distribution establishments

Safer than 71% 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 #18 safest of 65 Transmission and distribution employers in Colorado.

Great Southwestern Construction, Inc. (977 employees, TCR 1.1) 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 05001,0001,500 05101520 Average employees Total Case Rate Great Southwestern Construction, Inc.
Great Southwestern Construction, Inc. (977 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 2.0

Great Southwestern Construction, Inc. 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
2024 1.1 0.3 10 0 0
2023 1.1 0.7 10 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 Colorado Powerline Inc. 1.1 TCR
NAICS-TCR 7102102 FPL Thunder Wolf Energy Center 1.1 TCR
NAICS-TCR J A Lee Electric Services LLC 1.1 TCR
NAICS-TCR B+T Group Holdings Inc. 1.1 TCR
STATE-SIZE Hunter Douglas 978 FTE
STATE-SIZE 12524 975 FTE
STATE-SIZE Ameristar Black Hawk 971 FTE
STATE-SIZE MillerCoors Golden Brewery 965 FTE
CITY-NEAR Castle Rock Adventist Hospital 903 FTE
CITY-NEAR CastleRock Adventist Hospital 690 FTE
CITY-NEAR AdventHealth Castle Rock 684 FTE
CITY-NEAR Great Southwest Construction 607 FTE
NAT-TCR InterBay Building Services Inc. 1.1 TCR
NAT-TCR Elkin Panels 1.1 TCR
NAT-TCR North Bend Medical Center Coos Bay 1.1 TCR
NAT-TCR Quality Painters & Decorators, Inc. 1.1 TCR
NAT-SIZE American Greetings Corporation 977 FTE
NAT-SIZE Granite City Works 976 FTE
NAT-SIZE Schlumberger Technology Corporation 978 FTE
NAT-SIZE Colgate-Palmolive Global Technology Center 978 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: 2024, 2023. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.