Federal safety inspectors are investigating a tobacco processing factory in Ozone Park, Queens, operated by street brand HotHead Grabba, expanding its probe of the company.

The Occupational Safety and Health Administration launched its probe of the 99th Street factory on May 2, records show, nearly two weeks after former employees told THE CITY that they experienced dizziness and injury during work shifts at that facility and were owed thousands in unpaid wages.

A referral, not an employee complaint, triggered the safety probe, the records indicate. An OSHA spokesperson declined to say whether another agency made the safety referral to OSHA. Two former employees filed wage theft complaints to the New York State Department of Labor on April 11.

OSHA visited the site with a focus on potentially combustible dust…

Since February, at least a half dozen former employees have filed wage theft or safety hazard complaints against HotHead Grabba…

HotHead Grabba did not respond to questions from THE CITY sent on Thursday to their Instagram account, where an unidentified representative has previously responded to inquiries. 

In March, messages from the account pushed back on what they called “false allegations.”...