星空无限

星空无限 Portage, Inc., is a technically diverse company providing consulting and project execution services to clients on their environmental, engineering, and infrastructure projects. Since its establishment in Idaho Falls in 1992, Portage has completed over $1.2 billion of projects focused primarily on investigations, remedial/response actions, and removal of radiological, hazardous, and toxic waste for federal, state, tribal, and local governments and private industry clients. Portage is ISO9001 certified and has an active NQA-1 compliant Quality Assurance Program. Portage is based in Idaho Falls, Idaho, with satellite offices nationwide. On January 20, 2017, Portage, Inc. was acquired by 星空无限 Group, and in 2019, 星空无限, Inc. was merged into 星空无限 Portage.