Velarion Records

Metal Heat Treating in Los Angeles County, CA: 35 establishments

Metal Heat Treating, NAICS 332811. 115,080 federal records on file in Los Angeles County, 5 programs (why shown together). Los Angeles County is 1st of 58 California counties with records in more than one program.

What stands out

Establishments in this industry in Los Angeles County 35

Employees in mid-March: 1,023 · First-quarter payroll: $15,764 thousand · Annual payroll: $72,009 thousand · By size: 4 with fewer than 5 employees, 4 with 5 to 9 employees, 6 with 10 to 19 employees, 15 with 20 to 49 employees, 5 with 50 to 99 employees.

Hospitals filing a Medicare cost report in Los Angeles County 164

Nursing facilities in Los Angeles County 369

Hazardous-waste handlers in Los Angeles County 21,830

3,435 large quantity generators · 15,845 small quantity generators · 16 treatment, storage or disposal facilities · 1,318 with at least one violation on record.

Clean Air Act facilities in Los Angeles County 390

227 classified as major sources · the county is in a designated nonattainment area.

Motor carriers in Los Angeles County 92,327

Other industries in Los Angeles County

Programs in Los Angeles County

Every federal record in Los Angeles County → All California counties →

Census CBP 2022, federal files read 2026-09-15: method