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	INDUSTRIAL FITTINGS AND VALVES, INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	TOA BAJA, PR	DElevated58	1	7	$23K	Jan 9, 2026
2	WA317975509 - SOLGEN POWER LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	YAKIMA, WA	DElevated57	1	2	$60K	Aug 10, 2023
3	WA317971030 - SOLGEN POWER LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	SEATTLE, WA	DElevated55	1	5	$29K	Oct 18, 2022
4	WELLS PLUMBING AND HEATING SUPPLIES, INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	CHICAGO, IL	DElevated51	1	2	$16K	Jan 8, 2025
5	AMERICAN COPPER & BRASS LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	COLDWATER, MI	DElevated47	1	6	$2K	Oct 3, 2024
6	GENERAL PLUMBING SUPPLY, INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	EDISON, NJ	CAverage41	2	6	$55K	Nov 7, 2023
7	WA317978075 - SOLGEN POWER LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	TACOMA, WA	CAverage40	1	3	$121K	Jan 22, 2024
8	WA317969771 - SOLGEN POWER LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	TACOMA, WA	CAverage39	1	1	$53K	Aug 1, 2022
9	WA317968131 - SOLGEN POWER LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	SEATTLE, WA	CAverage39	1	1	$26K	Mar 25, 2022
10	WA317968575 - SOLGEN POWER LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	CENTRALIA, WA	CAverage39	1	1	$53K	Apr 27, 2022
11	PLUMBERS' SUPPLY COMPANY Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	NEWBURYPORT, MA	CAverage38	2	4	$21K	Dec 23, 2024
12	F.W. WEBB COMPANY Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	HYANNIS, MA	CAverage37	2	3	$16K	Mar 2, 2026
13	EASTERN PLUMBING SUPPLY COMPANY GP, LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	DALLAS, TX	CAverage35	1	14	$31K	Jan 10, 2023
14	TRUMBULL INDUSTRIES INC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	WARREN, OH	CAverage35	3	2	$22K	Jun 23, 2026
15	WM F MEYER CO INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	CREST HILL, IL	CAverage34	1	9	$20K	Jul 11, 2025
16	ATLANTIC PLUMBING SUPPLY CORPORATION Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	WRIGHTSTOWN, NJ	CAverage34	1	6	$35K	Jun 13, 2024
17	HAJOCA CORPORATION Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	WEST ALLIS, WI	CAverage34	1	10	$19K	Apr 24, 2023
18	GUARANTEED SERVICES LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	ANCHORAGE, AK	CAverage34	1	5	$22K	Aug 24, 2022
19	WINSUPPLY OF CLINTON Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	CLINTON, IA	CAverage34	1	5	$20K	Apr 16, 2025
20	WISCONSIN TUBING LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	OMRO, WI	CAverage33	1	11	$10K	Oct 2, 2023
21	WA317986162 - TACOMA WINSUPPLY CO Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	TACOMA, WA	CAverage33	1	6	$17K	May 1, 2025
22	US CO. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	CLIFTON, NJ	CAverage33	1	5	$17K	Feb 3, 2022
23	COBURN SUPPLY CO., INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	NASHVILLE, TN	CAverage33	1	10	$10K	Mar 26, 2024
24	HAJOCA CORPORATION Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	SIOUX FALLS, SD	CAverage33	1	5	$16K	Jan 25, 2022
25	ETNA SUPPLY COMPANY Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	WIXOM, MI	CAverage32	2	4	$7K	May 9, 2023
26	108908 - GOODIN CO Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	MINNEAPOLIS, MN	CAverage32	1	3	$22K	Mar 7, 2025
27	HARRY COOPER SUPPLY COMPANY Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	SPRINGFIELD, MO	CAverage32	1	3	$15K	Jun 13, 2024
28	MORSCO SUPPLY, LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	ELLICOTT CITY, MD	CAverage32	1	19	$5K	Aug 2, 2023
29	MECHANICAL ONE LLC - AIR CONDITIONING, PLUMBING AND ELECTRICAL Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	ORLANDO, FL	CAverage32	1	4	$8K	Aug 23, 2023
30	ADVANCED WATER SOFTENING, LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	BUTLER, NJ	CAverage31	1	3	$11K	Jun 22, 2023
31	MALLARD PLUMBING Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	OAKLAND, CA	CAverage31	2	6	$5K	Jul 30, 2024
32	317742024 - KELLER SUPPLY CO Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	SALEM, OR	CAverage31	1	4	$9K	Oct 7, 2025
33	WA317976000 - SOLGEN POWER LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	CLARKSTON, WA	CAverage30	1	3	$7K	Sep 12, 2023
34	H.B SEDWICK, JR. BUILDING SUPPLY, INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	ORANGE, VA	CAverage30	1	6	$4K	Feb 6, 2024
35	CHEMCORE INDUSTRIES, INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	RIVIERA BEACH, FL	CAverage30	1	2	$14K	Apr 4, 2023
36	US HOSE CORPORATION Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	ROMEOVILLE, IL	CAverage30	1	2	$21K	Dec 10, 2024
37	WINSUPPLY MIDDLETOWN DC LLC #00002 Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	MIDDLETOWN, CT	BBelow average29	1	2	$10K	Aug 9, 2022
38	CPX2025XTN246X0039 - PIERTEK, INC. DBA WOOD BROTHERS INDUSTRIES Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	PHOENIX, AZ	BBelow average29	1	7	$8K	Jul 28, 2025
39	FERGUSON ENTERPRISES, LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	HONOLULU, HI	BBelow average28	1	4	$7K	Oct 24, 2025
40	WA317969065 - KELLER SUPPLY CO Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	REDMOND, WA	BBelow average28	1	5	$6K	Jun 7, 2022
41	WINSUPPLY WORCESTER MA CO. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	AUBURN, MA	BBelow average28	1	4	$8K	Jul 18, 2025
42	TRI STAR INDUSTRIAL LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	LONG BEACH, CA	BBelow average27	1	1	$16K	Aug 17, 2023
43	THE RAL SUPPLY GROUP, INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	MIDDLETOWN, NY	BBelow average27	1	2	$16K	May 2, 2023
44	JEFFERSON SALES SOUTH, INC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	KINGSPORT, TN	BBelow average27	1	5	$500	Apr 21, 2026
45	ENGLEWOOD WINSUPPLY Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	DENVER, CO	BBelow average27	1	2	$5K	Mar 5, 2026
46	FOX SPRINKLER SUPPLY CORPORATION Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	SCHAUMBURG, IL	BBelow average27	1	2	$4K	Aug 16, 2022
47	NORTHEASTERN SUPPLY, INC. Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	BEL AIR, MD	BBelow average27	1	7	$2K	Feb 10, 2022
48	FERGUSON ENTERPRISES INC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	RENO, NV	BBelow average27	1	4	$16K	Apr 1, 2025
49	CENCO CORPORATION Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	WESLACO, TX	BBelow average26	1	3	$11K	Oct 31, 2023
50	SOLAR-KLEAN, LLC Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers	PALO ALTO, CA	BBelow average26	1	4	$13K	Sep 13, 2022

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