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Half-life Systems LLC

Correct this listing

Doing business as HALF-LIFE SYSTEMS

UEIUEI: the 12-character ID the government gives every company registered for federal work. It replaced the DUNS number in April 2022. Glossary CZ73ZN9BEYH5· CAGECAGE code: a 5-character code that identifies one company location for federal work. A company with several sites can have several. Glossary 14D72· LYME, CT· Active registration until Apr 20, 2027· www.halflifesystems.com (opens in a new tab)

Overview

Registered industries (NAICS)

Registered in 11 industries; primary 541715

  • 334519 Other Measuring and Controlling Device Manufacturing
  • 541330 Engineering Services
  • 541380 Testing Laboratories and Services
  • 541611 Administrative Management and General Management Consulting Services
  • 541620 Environmental Consulting Services
  • 541690 Other Scientific and Technical Consulting Services
  • 541713 Research and Development in Nanotechnology
  • 541714 Research and Development in Biotechnology (except Nanobiotechnology)
  • 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
  • 611430 Professional and Management Development Training
  • 621111 Offices of Physicians (except Mental Health Specialists)

No prime contract or subcontract to this company appears in the federal contract records from FY2001 on.

About

From the company's SBA profile, updated Apr 2026

Half-Life Systems LLC provides applied research, technical analysis, engineering support, and clinical services within nuclear systems, radiation, space and defense systems, and neurology. Core capabilities include: -Fission power systems -Fusion power systems -Exposure and shielding analysis -Radiation effects on human physiology -Integration of medical considerations into nuclear and space system design -Clinical neurology The company supports SBIR/STTR efforts and subcontract work for NASA and DoD-aligned programs, contributing to concept development, technical analysis, and early-stage system design.