Rochester, MN ·
OSHA Injury Report: Tonna Mechanical, Inc.
Injury · Job transfer or restriction
At a glance
On , an injury at Tonna Mechanical, Inc. in 1440 Industrial Dr NW, Rochester, MN 559010831 resulted in job transfer or restriction. Employee was hvacr Service Technician in plumbing and heating contractors.
Where did this happen?
- Establishment
- Tonna Mechanical, Inc.
- Parent company
- Tonna Mechanical, Inc.
- Street
- 1440 Industrial Dr NW
- City
- Rochester
- State
- MN
- ZIP
- 559010831
- On-site location
- Jobsite: Garage mechanical area
What was the outcome?
- Outcome
- Job transfer or restriction (code 3)
- Type
- Injury (code 1)
- Days restricted or transferred
- 31
Before the incident
The employee was servicing a unit heater while working from a ladder in a residential garage.
What happened
While performing service work from the ladder the employee fell from the ladder.
Injury or illness
Back and shoulder strain with right calf contusion.
Object or substance involved
Ladder.
Summary line
Back and shoulder strain with right calf contusion from fall off ladder while servicing unit heater
Employee and industry
- Job description
- HVACR Service Technician
- SOC code
- 49-9021: Heating, Air Conditioning, and Refrigeration Mechanics and Inst
- NAICS code
- 238220: Plumbing and heating contractors
- NAICS vintage
- 2022
- Employees at this establishment (2025 average)
- 91
- Hours worked at this establishment (2025 total)
- 162,038
- EIN
- 411269382
- Establishment ID
- 1436326
- Employer case #
- 7
When (timing detail)
- Date of incident
- Time of incident
- Not known — the employer filed this case without a time of day.
- Filing year
- 2025
- Submitted to OSHA
- 2026-01-22
More injuries at Tonna Mechanical, Inc.
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Source
Data from OSHA ITA Form 300/301 electronic submissions, filing year 2025. ITA Case Detail records are establishment-reported submissions, not OSHA inspections, so no per-record IMIS deep link exists.
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