Employers One Source Group, Inc.Home / Employers One Source Group, Inc. Share: PERSONNEL & STAFFINGHR & PAYROLL Employers One Source Group, Inc. Visit Website 1260 Pin Oak Rd. Suite 102 katy, TX 77494 (281) 492-9292 (281) 395-5592 (fax) Visit Our Website About Map About PEO and Human Resource Outsourcing Solutions. We professionally manage the functions of payroll, group benefits, workers compensation with risk management, and HR support and compliance. What's Nearby? Distance: 5 10 15 20 25 50 mi.