1,871 hazardous substance removal contractors checked against 6 data sources (Page 38 of 38)
Hazardous substance removal contractors.
1,871
Total Contractors
1,817
Active Licenses
241
Federal Records
Showing contractors 1851-1871 of 1,871
WISER CONTRACTOR INC
ClearLicense #1130431 · LOS ANGELES
WITHERS WILLIAM
ClearLicense #322187 · SANTA CLARITA
WOLFENDEN R T CO
ClearLicense #430897 · STEVENSVILLE
WORLD COMMODITIES INCORPORATED
ClearLicense #1065929 · HUNTINGTON BEACH
WORLD OIL CORP
ClearLicense #1111813 · SOUTH GATE
WRECK AGE DEMOLITION INC
ClearLicense #890096 · CHINO HILLS
WSP USA ENVIRONMENT & INFRASTRUCTURE INC
ClearLicense #697810 · WALNUT CREEK
WSP USA INC
ClearLicense #920405 · NEW YORK
X10 GROUP INC
ClearLicense #1064143 · LOS ANGELES
XKT ENGINEERING INC
ClearLicense #566979 · VALLEJO
YAFFEE
ClearLicense #830295 · SACRAMENTO
YAZ CONSTRUCTION INC
ClearLicense #1054295 · PACIFIC PALISADES
YD CONSTRUCTION & DEVELOPMENT INC
ClearLicense #839200 · SHERMAN OAKS
YOKOI CARL
ClearLicense #870807 · NEWBURY PARK
YOUNG WILLIAM D AND SONS TRUCKING AND NURSERY
ClearLicense #1000055 · INDIO
Z L C CORP
ClearLicense #890327 · CONCORD
ZARIF TALAL BEN
ClearLicense #534678 · LOS ANGELES
ZEPEDA TECHNICAL SOLUTIONS
ClearLicense #1119244 · BELL GARDENS
ZONDORAK W M
ClearLicense #327534 · SAN DIEGO
ZONE TRAFFIC CONTROL
ClearLicense #1068600 · SARASOTA
ZUSSER COMPANY INC
ClearLicense #864216 · LOS ANGELES
California requires all contractors performing hazardous substance removal work valued at $500+ to hold a valid CSLB HAZ license. Of the 1,871 licensed hazardous substance removal contractors in the state, 97% currently hold active licenses and 12.9% have at least one federal compliance record.
Manual vetting takes 45+ minutes per contractor and routinely misses violations in databases most people don't know to check. SiteVetter runs CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, and EPA environmental records in seconds—creating a timestamped compliance artifact.
Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For hazardous substance removal work specifically, 12.9% of licensed contractors have federal records that a standard CSLB license check wouldn't reveal. SiteVetter's 5-database check catches what a single-source verification misses.
Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.