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	Violations	Total Fines	Last Inspected
1	HANKOOK & COMPANY ES AMERICA CORP. Battery Manufacturing	CLARKSVILLE, TN	FHigh risk66	6	37	$126K	Sep 10, 2024
2	LG ENERGY SOLUTION MICHIGAN INC Battery Manufacturing	HOLLAND, MI	DElevated62	23	37	$143K	Aug 31, 2026
3	U. S. BATTERY MFG. AUGUSTA, INC. Battery Manufacturing	AUGUSTA, GA	DElevated55	1	4	$96K	Apr 18, 2023
4	INDUSTRIAL BATTERY ENGINEERING INC. Battery Manufacturing	SUN VALLEY, CA	CAverage44	2	6	$6K	Jun 26, 2024
5	ASCEND ELEMENTS, INC. Battery Manufacturing	COVINGTON, GA	CAverage38	2	4	$23K	Mar 16, 2026
6	WA317988198 - DYNO BATTERY INC Battery Manufacturing	SEATTLE, WA	CAverage37	1	3	$6K	Oct 8, 2025
7	STRYTEN MANUFACTURING Battery Manufacturing	MANCHESTER, IA	CAverage36	3	3	$43K	May 1, 2024
8	ENERSYS ENERGY PRODUCTS Battery Manufacturing	WARRENSBURG, MO	CAverage35	2	2	$22K	Mar 31, 2023
9	WA317984696 - DYNO BATTERY INC Battery Manufacturing	SEATTLE, WA	CAverage35	1	21	$29K	Feb 21, 2025
10	BLOOM ENERGY CORPORATION Battery Manufacturing	NEWARK, DE	CAverage34	2	2	$13K	Mar 24, 2026
11	EAST PENN MANUFACTURING COMPANY Battery Manufacturing	LYON STATION, PA	CAverage34	3	3	$17K	Jun 22, 2026
12	ELM FIELDSIGHT LLC Battery Manufacturing	THE COLONY, TX	CAverage34	1	7	$23K	Nov 9, 2023
13	CAMEL ENERGY MANUFACTURING MICHIGAN LLC Battery Manufacturing	BATTLE CREEK, MI	CAverage34	3	11	$4K	Apr 24, 2025
14	SPIERS NEW TECHNOLOGIES INC. Battery Manufacturing	OKLAHOMA CITY, OK	CAverage32	1	7	$75K	Apr 25, 2023
15	HETTRICK ELECTRIC Battery Manufacturing	CARSON CITY, NV	CAverage32	1	4	$14K	Dec 21, 2022
16	67536 - ENERSYS DELAWARE INC Battery Manufacturing	RICHMOND, KY	CAverage31	1	3	$11K	Nov 14, 2024
17	FORM ENERGY, INC. Battery Manufacturing	OAKLAND, CA	CAverage30	1	5	$18K	May 6, 2025
18	152060 - CLARIOS, LLC Battery Manufacturing	KERNERSVILLE, NC	CAverage30	1	4	$26K	Jun 9, 2022
19	ENERSYS ADVANCED SYSTEMS INC. Battery Manufacturing	PINELLAS PARK, FL	BBelow average29	1	2	$12K	Sep 27, 2023
20	CHIBATTERYSYSTEMS LLC Battery Manufacturing	CHICAGO HEIGHTS, IL	BBelow average28	1	3	$6K	Jan 22, 2024
21	BMZ USA, INC. Battery Manufacturing	VIRGINIA BEACH, VA	BBelow average28	1	6	$2K	May 14, 2025
22	POWIN LLC Battery Manufacturing	WINTERS, CA	BBelow average27	1	6	$17K	Jul 20, 2022
23	RFX2026XTN246X0069 - ECOBAT RESOURCES ARIZONA, LLC Battery Manufacturing	CASA GRANDE, AZ	BBelow average27	1	2	$17K	Dec 23, 2025
24	CROWN BATTERY MFG. CO. Battery Manufacturing	FREMONT, OH	BBelow average26	1	2	$10K	Mar 6, 2024
25	BEAM GLOBAL Battery Manufacturing	BROADVIEW, IL	BBelow average26	1	1	$10K	Jun 27, 2023
26	VIRIDI PARENTE, INC. Battery Manufacturing	RICHMOND, CA	BBelow average26	1	3	$12K	Jul 22, 2025
27	XALT ENERGY, LLC Battery Manufacturing	MIDLAND, MI	BBelow average26	1	2	$3K	Oct 20, 2022
28	GRANT BATTERY LLC DBA BATTERIES PLUS BULBS Battery Manufacturing	BATTLE CREEK, MI	BBelow average25	1	3	$400	Dec 5, 2023
29	ULTIUM CELLS LLC Battery Manufacturing	LANSING, MI	BBelow average25	1	2	$2K	Mar 19, 2025
30	EREPLACEMENTS Battery Manufacturing	GRAPEVINE, TX	BBelow average24	1	2	$5K	Mar 12, 2024
31	EAGLEPICHER TECHNOLOGIES, LLC Battery Manufacturing	EAST GREENWICH, RI	BBelow average24	1	1	$4K	Oct 4, 2022
32	ETERNITY TECHNOLOGIES TEXAS, INC. Battery Manufacturing	SHERMAN, TX	BBelow average22	1	4	$2K	Feb 26, 2026
33	LG ENERGY SOLUTIONS Battery Manufacturing	LANSING, MI	BBelow average22	1	1	$2K	Apr 27, 2026
34	BMZ USA INC. Battery Manufacturing	VIRGINIA BEACH, VA	BBelow average22	1	2	$2K	Feb 3, 2023
35	H&T NEVADA, LLC Battery Manufacturing	SPARKS, NV	BBelow average21	3	1	$3K	Jul 30, 2025
36	ADVANCED THERMAL BATTERIES, INC. Battery Manufacturing	WESTMINSTER, MD	BBelow average21	2	8	$2K	Aug 26, 2024
37	EOS ENERGY STORAGE Battery Manufacturing	TURTLE CREEK, PA	BBelow average20	4	1	$13K	Dec 9, 2025
38	L-H BATTERY COMPANY, INCORPORATED Battery Manufacturing	JEFFERSONVILLE, OH	BBelow average19	3	2	$5K	Mar 23, 2026
39	BATTERY BUILDERS, LLC Battery Manufacturing	NAPERVILLE, IL	BBelow average19	4	2	$4K	Feb 6, 2025
40	NANOTECH ENERGY, INC Battery Manufacturing	CHICO, CA	BBelow average18	2	3	$3K	Dec 18, 2024
41	TESLA, INC. Battery Manufacturing	LATHROP, CA	BBelow average18	5	1	$1K	May 22, 2026
42	TROJAN BATTERY COMPANY, LLC Battery Manufacturing	SANTA FE SPRINGS, CA	BBelow average18	2	4	$2K	Nov 20, 2024
43	STRYTEN ENERGY Battery Manufacturing	SALINA, KS	BBelow average14	1	1	$16K	Nov 22, 2023
44	HLBMA LLC Battery Manufacturing	ELLABELL, GA	BBelow average13	1	2	$9K	Dec 18, 2025
45	CLARIOS, LLC Battery Manufacturing	MIDDLETOWN, DE	BBelow average13	1	1	$8K	Jun 23, 2023
46	TELEDYNE BATTERY INDUSTRIES INC Battery Manufacturing	REDLANDS, CA	BBelow average10	4	0	$0	Nov 6, 2024
47	ENGINEERED POWER SYSTEMS, INC. Battery Manufacturing	MARYLAND HEIGHTS, MO	BBelow average10	1	2	$2K	Nov 26, 2024
48	TESLA, INC Battery Manufacturing	LATHROP, CA	BBelow average10	3	0	$0	Mar 17, 2025
49	ALTAIRNANO, INC. Battery Manufacturing	CAROLINA, PR	BBelow average10	1	1	$3K	May 5, 2023
50	PANASONIC ENERGY OF NORTH AMERICA Battery Manufacturing	SPARKS, NV	BBelow average10	7	0	$0	Apr 12, 2024

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