SIA Solutions LLC (SIA) is a professional services engineering and consulting firm specializing in program and project specific solutions in Environmental Consulting, Engineering, Remediation, Radiological Services, Infrastructure Asset Management, Public-Private (P3) and Public-Public/Public-Private (P4) partnerships (P3/P4), Energy, and Water Resources. SIA executes an integrated, multi-disciplinary approach to Asset Management that includes holistic planning, development, and disposition of man-made and natural infrastructure in order to optimize utilization and value.We are headquartered in Houston, TX with offices in Washington, D.C.; Chicago, Illinois; Baltimore, Maryland; San Antonio, Texas; and, Sacramento, California.

Environmental Consulting & Engineering Radiological Services Environmental Remediation Hazardous Toxic & Radioactive waste (HTRW) Management Infrastructure Asset Management & Energy Consulting Infrastructure Asset Management P3/P4 Energy Consulting Services Policy and Programmatic Services Technologies & Robotics Engineering & Consulting Remediation HTRW Management Services NEPA Compliance Public-Private and Public-Public Partnerships (P3/P4) Compatible Land Use & Development Policy and Program Support Services Technologies and Robotics Environmental Engineering & Consulting Environmental Remediation Hazardous Toxic and Radioactive Waste Management Services National Environmental Policy Act (NEPA) Compliance Utilities Compatible Land Use & Development Environmental Engineering & Consulting