Addition, alteration and renovation general contractors, commercial and institutional building · Connecticut

Mizzy Construction, Inc.

Plainville, CT · ~68 workers · 9 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.1
Avg TCR
2.9
Industry avg
0
Fatalities
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The verdict

Mizzy Construction, Inc. runs at 106% of its industry's injury rate - about level with the typical Addition, alteration and renovation general contractors, commercial and institutional building workplace, earning a grade C.

Mizzy Construction, Inc.: 3.1 TCR = 106% of Addition, alteration and renovation general contractors, commercial and institutional building BLS 2.9 · 9y Form 300A (see methodology below)

Mizzy Construction, Inc. safety composite

Mizzy Construction, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 10%), 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

32/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.06 per 100 workers

Safer than 39% of industry peers

DART rate
F 5 per 100 workers

Safer than 10% 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

Mizzy Construction, Inc.: 4.0 → 5.0 TCR

Peak year 2024 @ 5.0 TCR · DART/TCR 1.63× in 2024

Mizzy Construction, Inc.'s TCR rose 1.0 from 4.0 in 2016 to 5.0 in 2024. In 2024, DART was 1.63× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 236220 · Plainville, CT ABOVE-IND · SMALL

Grade C · TCR 3.1 · 106% of ind

  • DART 5.0 DART
  • RANK #27/55
  • PHOTO Gold Mechanical
  • BOOK 9y book
  • INJ 20 inj
  • SIZE ~68 FTE

Nearest TCR peer: Gold Mechanical (0.0 TCR gap)

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

Mizzy Construction, Inc. in the TCR neighbourhood

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

TCR

What this shows Mizzy Construction, Inc. averages 3.1 TCR (106% of the Addition, alteration and renovation general contractors, commercial and institutional building BLS benchmark).

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

Mizzy Construction, Inc. TCR series: 2016=4 · 2017=0 · 2018=4.2 · 2019=2.8 · 2020=2.6 · 2021=1.6 · 2022=4.7 · 2023=2.5 · 2024=5 · BLS 2.9

Where Mizzy Construction, Inc. falls in its industry

4,692 Addition, alteration and renov establishments

Safer than 39% of graded establishments in this industry, whose median TCR is 2.3.

More dangerous than peersSafer than peers

Narrower to Connecticut alone (the establishments it most directly competes with for workers and contracts): ranked #27 safest of 55 Addition, alteration and renov employers in Connecticut.

Mizzy Construction, Inc. (68 employees, TCR 3.1) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3 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 0100200300400500 02468 Average employees Total Case Rate Mizzy Construction, Inc.
Mizzy Construction, Inc. (68 employees, TCR 3.1) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

Mizzy Construction, Inc. has more employees than the Addition, alteration and renovation gene median and a higher injury rate than the industry's median TCR of 2.3. 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
2024 5.0 5.0 4 0 0
2023 2.5 2.5 2 0 0
2022 4.7 4.7 3 0 0
2021 1.6 1.6 1 0 0
2020 2.6 1.3 2 0 0
2019 2.8 2.8 2 0 0
2018 4.2 2.8 3 0 0
2017 0.0 0.0 0 0 0
2016 4.0 4.0 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · CT · Plainville

4,692 Addition, alteration and renovation general contractors, commercial and institutional building employers nationwide with a credible TCR · 7,008 rated employers in Connecticut with headcount on file · 59 employers in Plainville, CT · 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 Gold Mechanical 3.1 TCR
NAICS-TCR Warren Roofing & Insulating Company 3.1 TCR
NAICS-TCR Provident Construction 3.1 TCR
NAICS-TCR Home Office 3.1 TCR
STATE-SIZE Pat Munger Construction Co. Inc. 68 FTE
STATE-SIZE Earthlight Technologies LLC 68 FTE
STATE-SIZE Industrial Palllet LLC 68 FTE
STATE-SIZE Meriden Novolex Plant 68 FTE
CITY-NEAR Wheeler Clinic 495 FTE
CITY-NEAR Corporate Offices 462 FTE
CITY-NEAR Gems Sensors Plainville 377 FTE
CITY-NEAR Gems Sensors 288 FTE
NAT-TCR MEM-TRU 3.1 TCR
NAT-TCR Andersen Interior Contracting, Inc. 3.1 TCR
NAT-TCR Crown Lift Trucks Shreveport 3.1 TCR
NAT-TCR ORCHARDS 3.1 TCR
NAT-SIZE Jayhawk Fire Sprinkler Co Inc 68 FTE
NAT-SIZE Worthington, MN Facility 68 FTE
NAT-SIZE NP Tropicana LLC, dba Days Inn at Wild Wild West Gambling Hall 68 FTE
NAT-SIZE St. Ann Rehabilitation and Nursing Center 68 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, 2022, 2021, 2020, 2019, 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.