Portage has managed numerous environmental restoration projects across the U.S. ranging from small, individual site projects to large, multimillion-dollar projects. Expertise includes characterization, remediation, waste containerization, transportation, and safe disposition of radiologically and chemically contaminated soil and debris. Portage also provides environmental compliance expertise for a full spectrum of environmental regulations, including NEPA (analysis and process administration); CWA; CAA; CERCLA (evaluations, treatment design, removal, and disposal); and RCRA (permitting, assessments and closures).

Portage has a highly qualified group of software developers with experience in a variety of applications. The team specializes in database and web application development.

Portage provides facility energy audits, identifies energy- and cost-saving solutions, and manages and implements energy-saving projects and programs. The company has extensive background in managing utilities, calculating utility rates, and writing utility contracts.

Portage provides a broad range of in-house and field engineering services to federal, state, local and tribal government agencies and private sector clients throughout the country as well as support at military facilities in the U.S. and overseas. Engineering services include civil, chemical, environmental, mechanical and nuclear engineering associated with environmental restoration projects, military construction, and operation of nuclear facilities.

Portage has broad experience managing projects involving radioactive, hazardous, mixed and industrial waste, including characterization, excavation, packaging, transportation, and offsite disposal, particularly for large scale government cleanup projects.

Portage maintains a complete geomatics program that implements progressive geospatial technologies. Areas of expertise include data capture, generation, and editing; spatial database development and management; geospatial analysis; image/raster processing and analysis; environmental remote sensing; computer programming and application development; cartography; and custom GIS solutions.