Mechanical contractors · South Carolina

W.B. Guimarin & Co Inc.

Columbia, SC · ~115 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

W.B. Guimarin & Co Inc. runs at 199% of its industry's injury rate - more dangerous than the typical Mechanical contractors workplace, earning a grade D.

W.B. Guimarin & Co Inc.: 5.6 TCR = 199% of Mechanical contractors BLS 2.8 · 4y Form 300A (see methodology below)

W.B. Guimarin & Co Inc. safety composite

W.B. Guimarin & Co Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 24%), 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).

F

33/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.57 per 100 workers

Safer than 30% of industry peers

DART rate
F 3.72 per 100 workers

Safer than 24% 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%).

Rising injury rate

W.B. Guimarin & Co Inc.: 3.6 → 6.5 TCR

Peak year 2021 @ 8.5 TCR · DART/TCR 0.67× in 2022

W.B. Guimarin & Co Inc.'s TCR rose 2.9 from 3.6 in 2019 to 6.5 in 2022. Peak filing year was 2021 at 8.5 TCR. In 2022, DART was 0.67× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Columbia, SC ABOVE-IND · MID

Grade D · TCR 5.6 · 199% of ind

  • DART 3.7 DART
  • RANK #42/54
  • PHOTO Redlands Plumbing He…
  • BOOK 4y book
  • INJ 25 inj
  • SIZE ~115 FTE

Nearest TCR peer: Redlands Plumbing Heating & Air Conditioning, Inc. (0.0 TCR gap)

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

W.B. Guimarin & Co Inc. in the TCR neighbourhood

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

TCR

What this shows W.B. Guimarin & Co Inc. averages 5.6 TCR (199% of the Mechanical contractors BLS benchmark).

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

W.B. Guimarin & Co Inc. TCR series: 2019=3.6 · 2020=3.7 · 2021=8.5 · 2022=6.5 · BLS 2.8

Where W.B. Guimarin & Co Inc. falls in its industry

5,793 Mechanical contractors establishments

Safer than 30% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to South Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #42 safest of 54 Mechanical contractors employers in South Carolina.

W.B. Guimarin & Co Inc. (115 employees, TCR 5.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 05101520 Average employees Total Case Rate W.B. Guimarin & Co Inc.
W.B. Guimarin & Co Inc. (115 employees, TCR 5.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

W.B. Guimarin & Co Inc. has more employees than the Mechanical contractors median and a higher injury rate than the industry's median TCR of 3.3. 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
2022 6.5 3.7 7 0 0
2021 8.5 7.6 10 0 0
2020 3.7 1.8 4 0 0
2019 3.6 1.8 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · SC · Columbia

5,793 Mechanical contractors employers nationwide with a credible TCR · 7,610 rated employers in South Carolina with headcount on file · 542 employers in Columbia, SC · 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 Redlands Plumbing Heating & Air Conditioning, Inc. 5.6 TCR
NAICS-TCR Neumann Plumbing and Heating, Inc. 5.6 TCR
NAICS-TCR Midwestern Mechanical - Rapid 5.6 TCR
NAICS-TCR Construction 5.6 TCR
STATE-SIZE International Paper Georgetown Container 115 FTE
STATE-SIZE 4176 Greer Sheet Plant 115 FTE
STATE-SIZE Thermo Fisher Scientific 115 FTE
STATE-SIZE ORBIS Packaging 115 FTE
CITY-NEAR Palmetto Health Richland 5,949 FTE
CITY-NEAR Prisma Health Richland 4,729 FTE
CITY-NEAR South Carolina Department of Transportation 4,400 FTE
CITY-NEAR SC Department of Transportation 3,864 FTE
NAT-TCR TUL-ODFL 5.6 TCR
NAT-TCR Lunds & Byerlys, Woodbury 5.6 TCR
NAT-TCR Automated Casting Facility 5.6 TCR
NAT-TCR 6400-SWY-0017-0017-01684 5.6 TCR
NAT-SIZE 5 Star Refrigeration & Air Conditioning, Inc. 115 FTE
NAT-SIZE Southland Paving Inc. 115 FTE
NAT-SIZE Erdrich USA Inc. 115 FTE
NAT-SIZE CLHP Operations LLC 115 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: 2022, 2021, 2020, 2019. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.