ADP is an industry leader in HR by market share and so worth a demo if you are considering adding a PEO.
Best known for their payroll offering, ADP offers a suite of other HCM products including a PEO called ADP TotalSource. ADP is known for over delivering on customer success, something that has made them a behemoth in the HR world.
Cimquest, 4C Foods Corp, Nina Footwear, Kidpik, Safe Homes of Orange County, Grand Street Medical Associates
ADP offers in-depth implementation guides on their resources page.
ADP has a customer success department.
ADP's PEO pricing is not disclosed on their website, since these vary from one company to another. That being said, similar services tend to range from $120 to $160 per employee, per month. Also, according to ADP's own research, PEO costs average 2-12% of wages.