Portage's primary service areas are as follows: environmental remediation, including site remediation, cleanup of contaminated buildings, soil, and groundwater, mine sites, D&D support, and construction; engineering, including civil, chemical, environmental, mechanical,
and nuclear engineering; hazardous and radioactive waste management, including waste characterization, packaging, transportation, and disposal; information technology and custom database design; project management, construction
oversight and assessment; environmental planning, permitting, regulatory document preparation, and agency interface, monitoring, and compliance assessment; site characterization; environmental
services, including CAA, NEPA, RCRA, CERCLA, and CWA compliance; community involvement and DOE Citizens Advisory Board support; and energy
services, including energy program management, comprehensive facility energy audits, and development
of energy-saving programs.