Thern Inc has 8 OSHA inspections on record in Minnesota, the first in 1982.
OSHA's last visit started on May 6, 2015 as a planned inspection, in Winona.
Across those inspections OSHA issued 24 citation items: 17 serious and 7 other-than-serious.
OSHA proposed $9,200 in penalties. After settlements and reviews the total is $6,030, down 34%.
Most often, OSHA cited 1910.217, mechanical power presses (4 items).
For context, across all manufacturing employers the median penalty per cited inspection since 2015 is $3,600. Thern Inc averages $560 over 1 cited inspection in that time.
Thern Inc also files yearly injury logs with OSHA, summarized below.
Minnesota · latest 90 days of OSHA records
381employers cited
2 of them in the same industry
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Watch this company5712 Industrial Park Rd, Winona, MN 55987 · Overhead Traveling Crane, Hoist, and Monorail System Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 1910.147(c)(6)(i) · Lockout/tagout |
Serious | $600 | $420 | May 12, 2015 | Closed |
| Citation 2, item 1 | Other-than-serious | $200 | $140 | May 12, 2015 | Closed |
5712 Industrial Park Rd, Winona, MN 55987 · Overhead Traveling Crane, Hoist, and Monorail System Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 1910.147(c)(4)(i) · Lockout/tagout |
Serious | $600 | $420 | Mar 16, 2012 | Closed |
| Citation 1, item 2 29 CFR 1910.147(c)(6)(i) · Lockout/tagout |
Serious | $600 | $420 | Mar 16, 2012 | Closed |
| Citation 1, item 3 29 CFR 1910.303(b)(2) · Electrical equipment, general requirements |
Serious | $600 | $420 | Mar 16, 2012 | Closed |
| Citation 1, item 4 29 CFR 1910.217(c)(3)(iiif) · Mechanical power presses |
Serious | $1,000 | $700 | Mar 16, 2012 | Closed |
5712 Industrial Park Rd, Winona, MN 55987 · Overhead Traveling Crane, Hoist, and Monorail System Manufacturing · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 1910.212(a)(1) · Machine guarding |
Serious | $600 | $340 | Nov 25, 2008 | Final |
| Citation 1, item 2 29 CFR 1910.215(a)(4) · Grinders and abrasive wheels |
Serious | $450 | $260 | Nov 25, 2008 | Final |
| Citation 1, item 3a 29 CFR 1910.217(c)(1)(i) · Mechanical power presses |
Serious | $600 | $340 | Nov 25, 2008 | Final |
| Citation 1, item 3b 29 CFR 1910.217(c)(2)(ia) · Mechanical power presses |
Serious | $0 | $0 | Nov 25, 2008 | Closed |
| Citation 1, item 4 29 CFR 1910.219(f)(3) · Belts, pulleys and power-transmission parts |
Serious | $600 | $340 | Nov 25, 2008 | Final |
| Citation 1, item 5 29 CFR 1910.242(b) · Hand and power tools |
Serious | $450 | $260 | Nov 25, 2008 | Final |
| Citation 1, item 6 29 CFR 1910.305(b)(1)(ii) · Electrical wiring methods |
Serious | $450 | $260 | Nov 25, 2008 | Final |
| Citation 2, item 1 29 CFR 1910.305(g)(1)(iv) · Electrical wiring methods |
Other-than-serious | $150 | $100 | Nov 25, 2008 | Final |
5712 Industrial Park Rd, Winona, MN 55987 · Construction Machinery Manufacturing · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
5712 Industrial Park Rd, Winona, MN 55987 · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
5712 Industrial Park Rd, Winona, MN 55987 · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 1910.107(c)(6) · Spray painting and finishing |
Serious | $400 | $280 | Mar 21, 2000 | Closed |
| Citation 1, item 2 29 CFR 1910.178(k)(1) · Forklifts and other powered industrial trucks |
Serious | $400 | $280 | Mar 21, 2000 | Closed |
| Citation 1, item 3 29 CFR 1910.212(a)(1) · Machine guarding |
Serious | $600 | $420 | Mar 21, 2000 | Closed |
| Citation 1, item 4 29 CFR 1910.304(f)(5)(v) · Grounding and circuit protection |
Serious | $600 | $420 | Mar 21, 2000 | Closed |
| Citation 1, item 5 | Serious | $0 | $0 | Mar 21, 2000 | Closed |
| Citation 2, item 1 29 CFR 1910.147(c)(6)(i) · Lockout/tagout |
Other-than-serious | $100 | $70 | Mar 21, 2000 | Closed |
| Citation 2, item 2 29 CFR 1910.303(g)(2)(i) · Electrical equipment, general requirements |
Other-than-serious | $100 | $70 | Mar 21, 2000 | Closed |
| Citation 2, item 3 | Other-than-serious | $100 | $70 | Mar 21, 2000 | Closed |
5712 Industrial Park Road, Winona, MN 55987 · OSHA's record · Phone and website on Google Maps
No citations from this inspection.
5712 Industrial Park Road, Winona, MN 55987 · OSHA's record · Phone and website on Google Maps
| Citation and rule | Type | Proposed | Current | Issued | Status |
|---|---|---|---|---|---|
| Citation 1, item 1 29 CFR 1910.304(f)(5)(v) · Grounding and circuit protection |
Other-than-serious | $0 | $0 | Jun 4, 1982 | Closed |
| Citation 1, item 2 29 CFR 1910.217(b)(8)(iii) · Mechanical power presses |
Other-than-serious | $0 | $0 | Jun 4, 1982 | Closed |
From the Form 300A summaries employers file with OSHA each year. Rate = recordable cases per 100 full-time workers.
In 2025, the Winona site logged 4 recordable injuries or illnesses among about 130 workers: 3.0 per 100 full-time workers, against a median of 0.6 for its industry. Those cases cost 60 days away from work.
| Site and year | Workers | Cases | Days-away cases | Rate | Industry median |
|---|---|---|---|---|---|
| Thern Inc Winona · 2025 | 130 | 4 | 2 | 3.0 | 0.6 |
| Thern, Inc. Winona · 2024 | 126 | 7 | 2 | 5.5 | 1.9 |
Current text from the Code of Federal Regulations. Some citations were issued under older wording.
29 CFR 1910.107(c)(6)
(6) Wiring type approved. Electrical wiring and equipment not subject to deposits of combustible residues but located in a spraying area as herein defined shall be of explosion-proof type approved for Class I, group D locations and shall otherwise conform to the provisions of subpart S of this part, for Class I, Division 1, Hazardous Locations. Electrical wiring, motors, and other equipment outside of but within twenty (20) feet of any spraying area, and not separated therefrom by partitions, shall not produce sparks under normal operating conditions and shall otherwise conform to the provisions of subpart S of this part for Class I, Division 2 Hazardous Locations.
29 CFR 1910.147(c)(4)(i)
(4) Energy control procedure. (i) Procedures shall be developed, documented and utilized for the control of potentially hazardous energy when employees are engaged in the activities covered by this section.
29 CFR 1910.147(c)(6)(i)
(6) Periodic inspection. (i) The employer shall conduct a periodic inspection of the energy control procedure at least annually to ensure that the procedure and the requirements of this standard are being followed.
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Source: U.S. Department of Labor, OSHA enforcement data. A citation is OSHA's allegation; employers can contest it, and the status column shows where each item stands. Something wrong on this page? Tell us.