Founded in 1999 and acquired by NUVIA in 2024, TSSD Services delivers professional and technical staffing solutions across the nuclear lifecycle—from construction to decommissioning.
TSSD also supports renewable energy initiatives with proven technical excellence.
About us
TSSD Services, Inc. (TSSD) is a leading provider of professional and technical staffing solutions, established in 1999. The company was acquired by NUVIA in 2024.
Specializing in the energy and utility sectors, with a focus on the nuclear industry, TSSD excels in delivering highly skilled management and technical resources at every stage of the nuclear plant lifecycle— from construction and commissioning to operations, capital improvements, decommissioning and long-term dry fuel storage and management.
TSSD excels in decommissioning and environmental remediation, expertly managing decontamination, demolition, and site remediation projects. We handle the segregation, packaging, and disposal of low-level radioactive, hazardous, and clean demolition wastes, ensuring safe and efficient outcomes every time.
Our experienced team has a proven track record of successfully managing safe, efficient, and cost-effective projects.
TSSD has expanded its expertise beyond the nuclear industry, now offering top-tier resources for the rapidly growing renewable energy market.
Our expertise
TSSD Services, Inc. excels in 3 areas: Staff Augmentation, Technical Support, and Project Management, providing seamless expertise across the full spectrum of nuclear and renewable energy projects.
Staff augmentation
TSSD Services, Inc. offers robust Staff Augmentation solutions—from project management, engineering, QA, safety, hygiene, licensing, radiation protection, to waste handling—ensuring expert placement across the nuclear lifecycle.
Technical support
Through Technical Support, we provide peer reviews, SME consulting & expert witness services, advisory panels, transition planning, project oversight, financial governance, and support for FERC and DOE litigation and cost recovery.
Project management
As Project Management specialists since 1999, we build long-term partnerships, guiding nuclear decommissioning, power upgrades, support to nuclear operators, new builds, and expanding into renewables with proven excellence.
Trusted partners in project management, we aim to be the reliable long-term staffing partners of our clients. We value long-lasting relationship and seek for medium to long-term projects.
Our team
Our employees are our strongest asset, and we value their well-being, continuous training and growth, to provide a high-level quality service to our clients.
About 60% of our employees are field workers, with on-site administrative and project management employees making up the difference.
Employee turnover is low and average duration of an employee with the company is at least 5 years.
