Established in 1998, PEG is a multi-disciplinary engineering and environmental consulting firm that is experienced in working with Local and Federal Government Agencies, Non-Profit Industries, Private Corporations and Individuals. PEG understands that builders desire to retain a High Performance Home Building Consultant to perform residential Energy Rating services to include HERS Index as well as related Green Building Programs, Code Compliance services and Energy Efficient Construction rebate aggregation. Headquartered in Fairfax, Virginia, PEG has a proven track record of success through an understanding and long standing commitment to environmental quality; the natural environment, the built environment, building standards, codes and best practices, building performance standards and understanding of human interaction with their surroundings as it relates to their use of material, energy, and water resources.

The PEG Headquarters staff of 67 consists of engineering, energy efficiency, industrial hygiene, and management professionals that manage hundreds of technical field representatives in more than 20 States. PEG has staff accredited by the USGBC, NEBB, ICC, RESNET, NAHB, AIHA, AEE and BPI. PEG is both a National Provider and Authorized Education Delivery Partner for RESNET and the USGBC.