It isn't high enough to put them out of business. As stated at the end of the article:
Asplundh Tree Expert is a 90-year-old company, based in Willow Grove, Pennsylvania, that contracts with utility companies, railroads, and municipalities to clear trees and brush near power lines. The company had $3.9 billion in revenue in 2016, according to Forbes, an 11 percent increase over 2015.
The chairman and CEO of the company, Scott Asplundh, said in a written statement last week: "We accept responsibility for the charges as outlined, and we apologize to our customers, associates and all other stakeholders for what has occurred." He added that the company is taking corrective action including using face-recognition software to confirm the identities of new hires and will also submit its compliance program to ICE for review.
They should have criminally prosecuted them for running an illegal business.