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

M&M Welding - Mount Airy

Mount Airy, MD · ~127 workers · 7 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.3
Avg TCR
2.9
Industry avg
0
Fatalities
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The verdict

M&M Welding - Mount Airy runs at 112% 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.

M&M Welding - Mount Airy: 3.3 TCR = 112% of Addition, alteration and renovation general contractors, commercial and institutional building BLS 2.9 · 7y Form 300A (see methodology below)

M&M Welding - Mount Airy safety composite

M&M Welding - Mount Airy scores strongest on dart rate (safer than 73% of same-industry peers) and weakest on total case rate (tcr) (safer than 37%), 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).

D

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.26 per 100 workers

Safer than 37% of industry peers

DART rate
C 0 per 100 workers

Safer than 73% 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%).

TCR Δ

−0.4

2017→2024

M&M Welding - Mount Airy injury rate improved

M&M Welding - Mount Airy's TCR fell 0.4 from 2.1 in 2017 to 1.7 in 2024. Peak filing year was 2021 at 5.5 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=2.1 · 2018=5.4 · 2020=3.2 · 2021=5.5 · 2022=4.2 · 2023=0.6 · 2024=1.7

OSHA ITA Form 300A scorecard

Establishment book 236220 · Mount Airy, MD ABOVE-IND · MID

Grade C · TCR 3.3 · 112% of ind

  • DART 0.0 DART
  • RANK #74/99
  • PHOTO Thunderbird Construc…
  • BOOK 7y book
  • INJ 29 inj
  • SIZE ~127 FTE

Nearest TCR peer: Thunderbird Construction Inc. (0.0 TCR gap)

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M&M Welding - Mount Airy in the TCR neighbourhood

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

TCR

What this shows M&M Welding - Mount Airy averages 3.3 TCR (112% 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

M&M Welding - Mount Airy TCR series: 2017=2.1 · 2018=5.4 · 2020=3.2 · 2021=5.5 · 2022=4.2 · 2023=0.6 · 2024=1.7 · BLS 2.9

Where M&M Welding - Mount Airy falls in its industry

4,692 Addition, alteration and renov establishments

Safer than 37% of graded establishments in this industry, whose median TCR is 2.3.

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #74 safest of 99 Addition, alteration and renov employers in Maryland.

M&M Welding - Mount Airy (127 employees, TCR 3.3) 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 M&M Welding - Mount Airy
M&M Welding - Mount Airy (127 employees, TCR 3.3) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

M&M Welding - Mount Airy 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 1.7 0.0 3 0 0
2023 0.6 0.6 1 0 0
2022 4.2 4.2 6 0 0
2021 5.5 5.5 7 0 0
2020 3.2 2.4 4 0 0
2018 5.4 2.7 6 0 0
2017 2.1 1.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · MD · Mount Airy

4,692 Addition, alteration and renovation general contractors, commercial and institutional building employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 22 employers in Mount Airy, MD · 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 Thunderbird Construction Inc. 3.3 TCR
NAICS-TCR Peoria Metro Construction 3.3 TCR
NAICS-TCR Zernco, INC 3.3 TCR
NAICS-TCR Stone Hill Construction Inc 3.3 TCR
STATE-SIZE Northwest Station 127 FTE
STATE-SIZE Mechanical Engineering & Construction Corporation-MD 127 FTE
STATE-SIZE Kelly Foods Corporation 127 FTE
STATE-SIZE Crispy Bagel Company, Inc. 127 FTE
CITY-NEAR 2551 187 FTE
CITY-NEAR WM 2551 186 FTE
CITY-NEAR Altimate Electric, Inc. 126 FTE
CITY-NEAR 119 124 FTE
NAT-TCR Midwestern Pet Foods, Inc. - Monmouth 3.3 TCR
NAT-TCR East Bay 3.3 TCR
NAT-TCR TPI Bayamon Sala RF y Menores 3.3 TCR
NAT-TCR Thunderbird Construction Inc. 3.3 TCR
NAT-SIZE Hanover School 127 FTE
NAT-SIZE Aspire, Inc. 127 FTE
NAT-SIZE Saber Healthcare 127 FTE
NAT-SIZE Rouses Market #21 127 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, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.