Herbert, Rowland & Grubic Inc. has promoted Erin Threet to vice president of services, a new role designed to maintain the firm’s commitment to quality as it pursues ambitious growth plans.

“HRG is growing; increasing our staff, adding new services and expanding into new markets. As we grow, we want to ensure our clients continue to receive the high level of service they’ve always received from us, and Erin will be an excellent steward in that regard,” HRG Chief of Services Josh Fox said.

HRG, which has 12 locations, including one in the Lehigh Valley, assists with the planning, design and management of community infrastructure. The firm serves public and private sector clients throughout the mid-Atlantic region and has won more than 100 awards from state and national organizations for its projects.

The employee-owned company is an industry leader in municipal engineering, water and wastewater systems engineering, and stormwater management. It also has a strong presence in the transportation engineering and land development business sectors.

For more information, visit the website at http://www.hrg-inc.com