Greentree is licensed or certified by the following organizations:

National

NWBOC

New Jersey

NJWBE
NJ SBE
NJSCC
DPMC
NJ Public Works Contractor
UST Closure License
Lead Evaluation Contractor
Asbestos Safety Control Monitor
NJ Radioactive Materials License
NJ PE & Land Sruveryor for Engineering
DOT Hazardous Materials
Business License

New York

NY State Asbestos License
NY Radioactive Materials License
USEPA Certificate to Conduct Lead Based Paint
Business License

Florida

USEPA Certificate to Conduct Lead Based Paint
Business License

Pennsylvania

City of Philadelphia Business License