GTTSi managers are experts within the nuclear and energy industry with over 30 years of experience (from the ground level to the top). Our client needs are responded to directly through site visit(s), phone conference(s), and/or electronic data transfer.

GTTSi management integrates employees with the decision making process – assuring ownership with a common focus. Resolution of problems is expedited by face-to-face, open communications, at the lowest possible level. GTTSi is a leader in the nuclear technical services. Since 1980, we have been a partner to 80% of US electric utilities. Services provided by GTTSi for the nuclear and energy industry –

  • Operations

  • Engineering

  • Digital System Conversion

  • Training

  • Project Management


GTTSi provides professional consulting, training, testing/examination, and project management services.

  • GFE/Fundamentals Training
  • Initial License Training
  • Licensed Operator Continuing Training (LOCT)
  • Licensed Operator Requalification Training (LORT)
  • Technical Training (Maintenance, I&C, Electrical)
  • Engineering Training
  • Staff Augmentation
  • Job Task Analysis
  • Simulator Support
  • Job Performance Measures
  • Program Evaluation/Assessment
  • Exam Bank, Audit Bank, NRC Exam, LOCT Exam

GTTSi provides professional consulting, specific engineering support, and project management services.

  • Staff Augmentation
  • Procedure Development
  • Job Task Analysis (JTA)
  • System Design/Evaluation
  • Flow Calculations
  • Specification Requirements
  • Corrective Action
  • Maintenance Rule
  • Planners/Schedulers
  • Piping (Structural, Analysis)
  • Design Change Packages
  • Welding Inspections
  • Cost Analyst
  • Graphics
  • QA/QC
  • Cyber Security

GTTSi provides professional consulting, operations support, and project management services.

  • Staff Augmentation
  • Procedure Development
  • Technical Specifications
  • Shift Mentors
  • Work Control
  • Configuration Management
  • Red Tag/Tagout Packages
  • Boilers
  • Combustion Turbines
  • Diesel Generators
  • Steam Turbines
  • Corrective Action
  • Pumps
  • QA/QC
  • 10CFR 50.59 review