OSHA enforcement DOL H-1B filings Letter O

Employers: O

Reviewed byPlainEmployers Editorial, Government Employers Editorial Team · May 31, 2026

Employers starting with "O" — workforce trust grades derived from OSHA enforcement records (worker safety violations), DOL Office of Foreign Labor Certification H-1B filings (wage transparency + sponsorship history), and WARN Act notices (mass-layoff history). Each profile traces back to its source agency.

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5,374 employers starting with "O"

Showing 1,901–1,950 of 5,374

Sort by: Name H-1B Filings Median Salary

Employer	Industry	Median Salary	Safety
Old West Mattress Company, LLC CO	Manufacturing	—	F
Old Wisconsin WI	Manufacturing	—	B
Old World Industries LLC IL	Wholesale Trade	—	A
Old World Millworks IL	Manufacturing	—	F
Old World Spices and Seasonings MO	Manufacturing	—	F
Oldcastle SC	Manufacturing	—	A
Oldcastle APG AL	Manufacturing	—	A
Oldcastle APG FL	Manufacturing	—	A
Oldcastle APG MS	Manufacturing	—	A
Oldcastle APG NJ	Wholesale Trade	—	A
Oldcastle APG - Cedartown GA	Manufacturing	—	A
Oldcastle APG - CPM OR	Manufacturing	—	A
Oldcastle APG - CPM WA	Manufacturing	—	B
Oldcastle APG - US Mix CO	Manufacturing	—	C
Oldcastle APG New England CT	Manufacturing	—	F
Oldcastle APG New England MA	Manufacturing	—	C
Oldcastle APG New England NY	Manufacturing	—	F
Oldcastle APG New England Cranston RI	Manufacturing	—	A
Oldcastle APG Pacific DBA Calstone Company CA	Manufacturing	—	A
Oldcastle APG South AL	Manufacturing	—	C
Oldcastle APG South GA	Manufacturing	—	A
Oldcastle APG South TN	Manufacturing	—	A
Oldcastle APG South, INC FL	Manufacturing	—	A
Oldcastle APG West dba Calstone Company CA	Manufacturing	—	F
Oldcastle APG West dba Calstone Company Gilroy CA	Manufacturing	—	F
Oldcastle APG West dba Calstone Company Tracy CA	Manufacturing	—	A
Oldcastle BuidlingEvelope Miami FL	Manufacturing	—	F
Oldcastle Building Envelope AZ	Manufacturing	—	A
Oldcastle Building Envelope CA	Manufacturing	—	D
Oldcastle Building Envelope CO	Manufacturing	—	D
Oldcastle Building Envelope FL	Manufacturing	—	F
Oldcastle Building Envelope GA	Manufacturing	—	C
Oldcastle Building Envelope IL	Manufacturing	—	F
Oldcastle Building Envelope MA	Manufacturing	—	F
Oldcastle Building Envelope MO	Manufacturing	—	A
Oldcastle Building Envelope NC	Manufacturing	—	A
Oldcastle Building Envelope NJ	Manufacturing	—	A
Oldcastle Building Envelope OH	Manufacturing	—	D
Oldcastle Building Envelope OK	—	—	—
Oldcastle Building Envelope SC	Manufacturing	—	D
Oldcastle Building Envelope TX	Manufacturing	—	B
Oldcastle Building Envelope WA	Manufacturing	—	F
Oldcastle Building Envelope DBA Midwest Glass MI	—	—	—
Oldcastle BuildingEnvelope AZ	Manufacturing	—	D
Oldcastle BuildingEnvelope FL	Manufacturing	—	A
Oldcastle BuildingEnvelope GA	Manufacturing	—	A
Oldcastle BuildingEnvelope IL	Manufacturing	—	A
Oldcastle BuildingEnvelope MO	Manufacturing	—	D
Oldcastle BuildingEnvelope NJ	Manufacturing	—	C
Oldcastle BuildingEnvelope OH	Manufacturing	—	A

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Data sourced from official federal and state workforce datasets (DOL H-1B, OSHA ITA, state WARN notices). See our methodology for details.

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