Herbert, Rowland & Grubic, Inc. (HRG) Share: Consultants Herbert, Rowland & Grubic, Inc. (HRG) Visit Website 220 West Kensinger Drive Suite 100 Cranberry Township, PA 16066 (724) 779-4777 About Map About HRG is a full-service planning, design and infrastructure solutions firm. With over 60 years of business and over 30 years in Western Pennsylvania, HRG focuses on community growth and development. What's Nearby? Distance: 5 10 15 20 25 50 mi.