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	IMPERIAL VALLEY AGGREGATES, LLC	OCOTILLO, CA	10Low Risk	5	$0	May 29, 2025
2	TULLIS INC.	ANDERSON, CA	10Low Risk	3	$0	Jun 25, 2025
3	JAXON ENTERPRISES	LE GRAND, CA	10Low Risk	3	$0	Apr 29, 2026
4	PYRAMID CONSTRUCTION AND AGGREGATES, INC.	OCOTILLO, CA	10Low Risk	6	$0	May 29, 2025
5	MARTIN MARIETTA NORTHERN CALIFORNIA AGGREGATES, LLC.	SANGER, CA	10Low Risk	3	$0	Oct 8, 2025
6	HI-GRADE MATERIALS CO.	LITTLEROCK, CA	10Low Risk	7	$0	Feb 24, 2026
7	CALMAT CO	IRWINDALE, CA	10Low Risk	14	$0	Feb 5, 2026
8	GRANITE CONSTRUCTION COMPANY	LLANO, CA	10Low Risk	11	$0	Dec 15, 2025
9	R. & J. JOY, INC.	BECKWOURTH, CA	10Low Risk	4	$0	Sep 15, 2025
10	A. TEICHERT & SON, INC.	TRUCKEE, CA	10Low Risk	5	$0	Oct 25, 2024
11	SEZZI CONCRETE & MATERIALS, INC.	STANDISH, CA	10Low Risk	3	$0	Sep 9, 2025
12	R BROWN & SONS QUARRY	WILLOW CREEK, CA	10Low Risk	3	$0	Aug 8, 2024
13	JONES WATER TRUCKS, INC.	APPLE VALLEY, CA	10Low Risk	3	$0	Feb 25, 2026
14	L & W FRAMING GROUP LLC	GREENWOOD, IN	10Low Risk	3	$0	Feb 8, 2023
15	EUREKA READY MIX CONCRETE CO., INC.	FORTUNA, CA	10Low Risk	5	$0	Jun 2, 2025
16	CALMAT CO.	IRWINDALE, CA	10Low Risk	5	$0	Jul 2, 2026
17	UNITED ROCK PRODUCTS CORPORATION	IRWINDALE, CA	9Low Risk	2	$0	Dec 4, 2024
18	WEIMER AND SONS, INC.	OROVILLE, CA	9Low Risk	2	$0	Feb 11, 2025
19	BRANSON ENTERPRISE INC.	OROVILLE, CA	9Low Risk	2	$0	May 28, 2025
20	US MINE CORPORATION	IONE, CA	9Low Risk	4	$0	Dec 10, 2025
21	SIERRA CASCADE AGGREGATE & ASPHALT PRODUCTS, INC.	LITCHFIELD, CA	9Low Risk	2	$0	Sep 9, 2025
22	TIDEWATER CONTRACTORS INC.	SMITH RIVER, CA	9Low Risk	2	$0	Jun 3, 2025
23	PORTERVILLE ROCK & RECYCLE, INC.	PORTERVILLE, CA	9Low Risk	2	$0	Jan 7, 2026
24	SANTA FE AGGREGATES, INC.	SNELLING, CA	9Low Risk	6	$0	Jul 30, 2026
25	SLS&N INC.	MONROVIA, CA	9Low Risk	2	$0	Mar 7, 2024
26	STEVENS CREEK QUARRY, INC.	SUNNYVALE, CA	9Low Risk	2	$0	Sep 29, 2025
27	SAND MATERIALS & AGGREGATE SALES, INC.	PALMDALE, CA	9Low Risk	2	$0	Nov 15, 2023
28	HUMBOLDT REDWOOD COMPANY LLC	SCOTIA, CA	9Low Risk	2	$0	Jun 3, 2025
29	NORDIC INDUSTRIES, INC.	RED BLUFF, CA	9Low Risk	2	$0	Nov 20, 2025
30	BROWN SAND INCORPORATED	LATHROP, CA	9Low Risk	2	$0	Jan 8, 2026
31	HANSEN BROS. ENTERPRISES	GRASS VALLEY, CA	9Low Risk	5	$0	Feb 13, 2026
32	GRANITE ROCK COMPANY	HOLLISTER, CA	9Low Risk	5	$0	Jan 30, 2026
33	GRIFFITH COMPANY	LEBEC, CA	9Low Risk	2	$0	Feb 28, 2024
34	EDISON SAND COMPANY	BAKERSFIELD, CA	9Low Risk	2	$0	Nov 13, 2024
35	COAST AGGREGATES	PALMDALE, CA	9Low Risk	3	$0	May 8, 2025
36	DON ROBINSON SAND & GRAVEL	NEWCASTLE, CA	9Low Risk	2	$0	Aug 1, 2024
37	R. & J. JOY, INC. DBA JOY ENGINEERING	BECKWOURTH, CA	9Low Risk	2	$0	Dec 5, 2024
38	HOLLIDAY ROCK COMPANY, INC.	MOJAVE, CA	9Low Risk	5	$0	Feb 26, 2026
39	LEPAGE COMPANY, INC.	RED BLUFF, CA	9Low Risk	2	$0	Feb 27, 2025
40	KELLOG CREEK AGGREGATES	MOKELUMNE HILL, CA	9Low Risk	2	$0	Jan 8, 2026
41	NORTH VALLEY ROCK LLC	CORNING, CA	9Low Risk	2	$0	Jan 29, 2024
42	7/11 MATERIALS, INC.	BISHOP, CA	9Low Risk	7	$0	Jul 6, 2026
43	MINERAL RESOURCES LLC	OROVILLE, CA	9Low Risk	2	$0	Jun 24, 2025
44	REYNOSO BROTHERS QUARRY	OROVILLE, CA	9Low Risk	2	$0	Nov 18, 2025
45	FORTUNA AGGREGATES LLC	COLUMBIA STATION, OH	9Low Risk	2	$0	Jun 27, 2023
46	3D GROUP	MEDFORD, NJ	9Low Risk	2	$0	Feb 27, 2025
47	BLUE ROCK CONSTRUCTION, INC.	PHILADELPHIA, PA	9Low Risk	2	$0	Nov 8, 2023
48	NORTH COUNTY SAND AND GRAVEL, INC.	MURRIETA, CA	9Low Risk	2	$0	Aug 19, 2024
49	HOLLIDAY ROCK COMPANY INC.	LITTLEROCK, CA	9Low Risk	2	$0	Oct 23, 2024
50	ROBERTSON'S READY MIX LTD A CALIFORNIA LIMITED PARTNERSHIP	INYOKERN, CA	9Low Risk	2	$0	May 6, 2025

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