Fox, Threet & Vicari Named Shareholders

HRG has named Josh Fox, Erin Threet and Adrienne Vicari shareholders of the firm in recognition of their loyalty and contributions to the company’s success.

“Josh, Erin and Adrienne have dedicated long hours to HRG in the office and outside in the community,” President Bob Grubic says. “They have provided exemplary service to our clients on project work and have helped to raise HRG’s profile in the industry through papers they have published and presentations they have made at various conferences.  This honor is well-deserved by all of them.”

Josh Fox

Fox is the regional service group manager for water and wastewater services in HRG’s Harrisburg, PA, office.  He has nine years of experience in the design and construction of water supply and distribution systems, wastewater collection and conveyance systems, and stormwater facilities.


Erin ThreetThreet is the regional manager of HRG’s Lewisburg, PA,  office and a project manager in HRG’s water and wastewater service group.  She has nine years of experience in the planning and design of water storage, distribution, and treatment systems as well as the design and permitting of wastewater collection and conveyance systems.


Adrienne M. Vicari, P.E.Vicari is the manager of financial services in HRG’s Harrisburg, PA, office. She is responsible for developing financing strategies and capital project plans for municipal and private entities, including long-range financial planning as well as the receipt of government grants and loans.  She also has extensive experience as an engineer designing water and wastewater system facilities.


Originally founded in 1962, HRG has grown to be a nationally ranked Top 500 Design Firm, providing civil engineering, surveying and environmental services to public and private sector clients. The 200-person employee-owned firm currently has office locations in Pennsylvania, Ohio, and West Virginia.