Sewer construction · South Dakota

SuBSurfco LLC

North Sioux City, SD · ~19 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

SuBSurfco LLC runs at 10% of its industry's injury rate - far safer than the typical Sewer construction workplace, earning a grade A.

SuBSurfco LLC: 0.3 TCR = 10% of Sewer construction BLS 2.8 · 2y Form 300A (see methodology below)

SuBSurfco LLC safety composite

SuBSurfco LLC scores strongest on total case rate (tcr) (safer than 99% 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).

B

80/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.28 per 100 workers

Safer than 99% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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

−0.6

2022→2023

SuBSurfco LLC injury rate improved

SuBSurfco LLC's TCR fell 0.6 from 0.6 in 2022 to 0.0 in 2023. Peak filing year was 2022 at 0.6 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2022=0.6 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 237110 · North Sioux City, SD AT/BELOW-IND · SMALL

Grade A · TCR 0.3 · 10% of ind

  • DART 0.0 DART
  • RANK #1/13
  • PHOTO Joslin Construction …
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~19 FTE

Nearest TCR peer: Joslin Construction Texas (0.0 TCR gap)

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

SuBSurfco LLC in the TCR neighbourhood

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

TCR

What this shows SuBSurfco LLC averages 0.3 TCR (10% of the Sewer construction BLS benchmark).

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

SuBSurfco LLC TCR series: 2022=0.6 · 2023=0 · BLS 2.8

Where SuBSurfco LLC falls in its industry

1,614 Sewer construction establishments

Safer than 99% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to South Dakota alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 13 Sewer construction employers in South Dakota.

SuBSurfco LLC (19 employees, TCR 0.3) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0 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 0100200300400500 051015 Average employees Total Case Rate SuBSurfco LLC
SuBSurfco LLC (19 employees, TCR 0.3) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

SuBSurfco LLC has fewer employees than the Sewer construction median and a lower injury rate than the industry's median TCR of 3.0. 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
2023 0.0 0.0 0 0 0
2022 0.6 0.6 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · SD · North Sioux City

1,614 Sewer construction employers nationwide with a credible TCR · 1,778 rated employers in South Dakota with headcount on file · 15 employers in North Sioux City, SD · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Joslin Construction Texas 0.3 TCR
NAICS-TCR 104796 - P1-105 Headworks Rehab & Expansion 0.3 TCR
NAICS-TCR LEM Construction Company 0.3 TCR
NAICS-TCR East Coast Contracting, Inc. 0.3 TCR
STATE-SIZE Huron Office 19 FTE
STATE-SIZE Wall Headquarters 19 FTE
STATE-SIZE Raeco Builders 1 19 FTE
STATE-SIZE Rapid City #066 19 FTE
CITY-NEAR Interbake foods NSC 483 FTE
CITY-NEAR Interbake Foods 480 FTE
CITY-NEAR Red's All Natural, LLC 292 FTE
CITY-NEAR Dunes Surgical Hospital 246 FTE
NAT-TCR Dayton Windustrial Co 0.3 TCR
NAT-TCR Electra Link, Inc. Spring 0.3 TCR
NAT-TCR Sealed air Corporation danbury 0.3 TCR
NAT-TCR Solutions Manufacturing LLC 0.3 TCR

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: 2023, 2022. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.