Highest Risk Employers

Top 50 ranked by OSHA enforcement history

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Risk Score Total Fines Most Violations Willful Violations

State

#	Company	Location	Risk	Inspections	Total Fines	Last Inspected
1	ULTIUM CELLS LLC	WARREN, OH	10Low Risk	13	$0	Jul 24, 2024
2	TROJAN BATTERY COMPANY, LLC	SANTA FE SPRINGS, CA	10Low Risk	6	$0	May 21, 2025
3	CLARIOS, LLC	HOLLAND, OH	10Low Risk	4	$0	Jun 12, 2024
4	SK BATTERY AMERICA INC.	COMMERCE, GA	10Low Risk	9	$0	Feb 24, 2025
5	PALOS VERDES BUILDING CORPORATION	CORONA, CA	10Low Risk	3	$0	Nov 29, 2022
6	LG ENERGY SOLUTION MICHIGAN INC	HOLLAND, MI	10Low Risk	3	$0	Mar 2, 2023
7	PANASONIC ENERGY CO., LTD.,	DE SOTO, KS	10Low Risk	3	$0	Nov 25, 2025
8	CLARIOS INC.	SAINT JOSEPH, MO	10Low Risk	3	$0	May 27, 2025
9	HANWHA Q CELLS GEORGIA INC	WHITE, GA	9Low Risk	2	$0	May 20, 2025
10	YUASA BATTERY, INC.	LAURELDALE, PA	9Low Risk	2	$0	Jan 22, 2026
11	HANWHA Q CELLS GEORGIA, INC.	WHITE, GA	9Low Risk	2	$0	Feb 21, 2025
12	EOS ENERGY STORAGE	EAST PITTSBURGH, PA	9Low Risk	2	$0	Jun 22, 2023
13	STRYTEN ENERGY, LLC	LANCASTER, PA	9Low Risk	2	$0	Jun 7, 2023
14	ALPHA TECHNOLOGIES SERVICES, INC.	SUWANEE, GA	9Low Risk	2	$0	Jan 13, 2026
15	ULTIUM CELLS LLC	SPRING HILL, TN	9Low Risk	2	$0	Feb 1, 2024
16	LITHION BATTERY INC.	HENDERSON, NV	9Low Risk	2	$0	Feb 28, 2024
17	68905 - BLUEOVAL SK LLC	GLENDALE, KY	0Low Risk	1	$0	Mar 3, 2026
18	76056 - VOLVO BATTERY SOLUTIONS LLC	GREER, SC	0Low Risk	1	$0	Mar 5, 2024
19	BLUEOVAL BATTERY MICHIGAN LLC	MARSHALL, MI	0Low Risk	1	$0	Feb 26, 2026
20	EAST PENN MANUFACTURING	OELWEIN, IA	0Low Risk	1	$0	Nov 18, 2025
21	EAST PENN MANUFACTURING CO.	LYON STATION, PA	0Low Risk	1	$0	Apr 3, 2025
22	EAST PENN MANUFACTURING CO., INC.	CORYDON, IA	0Low Risk	1	$0	Apr 24, 2025
23	ELECTROCHEM SOLUTIONS, INCORPORATED	RAYNHAM, MA	0Low Risk	1	$0	Jun 3, 2026
24	ENERSYS ADVANCED SYSTEMS INC.	HORSHAM, PA	0Low Risk	1	$0	Mar 19, 2026
25	GOTION ILLINOIS NEW ENERGY INC.	MANTENO, IL	0Low Risk	1	$0	Jan 21, 2026
26	SAMSUNG SDIA COMPANY	AUBURN HILLS, MI	0Low Risk	1	$0	Nov 24, 2025
27	UNIFRAX CORPORATION	TONAWANDA, NY	0Low Risk	1	$0	Mar 15, 2022
28	24M TECHNOLOGIES, INC.	CAMBRIDGE, MA	0Low Risk	1	$0	Nov 25, 2025
29	67615 - BLUEOVAL SK	GLENDALE, KY	0Low Risk	1	$0	Dec 11, 2024
30	68560 - BLUEOVAL SK LLC	GLENDALE, KY	0Low Risk	1	$0	Nov 10, 2025
31	DRAGONFLY ENERGY CORP	SPARKS, NV	0Low Risk	1	$0	Apr 2, 2026
32	HYUNDAI ENG AMERICA, INC.	KINGSTON, GA	0Low Risk	1	$0	Jul 2, 2024
33	LG ENERGY SOLUTION MICHIGAN, INC.	BELLEVILLE, MI	0Low Risk	1	$0	Jun 5, 2024
34	MICHIGAN BATTERY EQUIPMENT, INC.	FLINT, MI	0Low Risk	1	$0	Apr 22, 2025
35	NAVAFLEX INC.	WORTHINGTON, OH	0Low Risk	1	$0	Mar 16, 2026
36	PANASONIC ENERGY OF NORTH AMERICA	SPARKS, NV	0Low Risk	1	$0	May 12, 2023
37	REDWOOD MATERIALS INC	SPARKS, NV	0Low Risk	1	$0	Aug 31, 2023
38	STRYTEN ENERGY, LLC.	KANSAS CITY, KS	0Low Risk	1	$0	Jul 13, 2022
39	STRYTEN SALINA LLC	SALINA, KS	0Low Risk	2	$0	Jul 2, 2024
40	68492 - BLUEOVAL SK LLC	GLENDALE, KY	0Low Risk	1	$0	Oct 21, 2025
41	158991 - TOYOTA BATTERY MANUFACTURING, INC.	LIBERTY, NC	0Low Risk	1	$0	Jun 3, 2025
42	160944 - SUNLIGHT BATTERIES USA INC.	GREENSBORO, NC	0Low Risk	1	$0	Apr 14, 2026
43	317743081 - CONTINENTAL BATTERY CO	HILLSBORO, OR	0Low Risk	1	$0	Jan 30, 2026
44	68353 - BLUEOVAL SK LLC	GLENDALE, KY	0Low Risk	1	$0	Aug 29, 2025
45	68370 - BLUEOVAL SK LLC	GLENDALE, KY	0Low Risk	1	$0	Sep 4, 2025
46	CLARIOS, LLC	RED OAK, IA	0Low Risk	1	$0	May 6, 2025
47	ASCEND ELEMENTS	NOVI, MI	0Low Risk	1	$0	Nov 6, 2023
48	ASCEND ELEMENTS, INC.	WESTBOROUGH, MA	0Low Risk	1	$0	Mar 21, 2024
49	BATTERIES PLUS	REDDING, CA	0Low Risk	1	$0	Sep 3, 2025
50	CHIBATTERYSYSTEMS LLC	CHICAGO HEIGHTS, IL	0Low Risk	1	$0	Jan 17, 2024

Data sourced from the US Department of Labor OSHA Enforcement Database, updated weekly.