SI3 brings a broad range of services and expertise to the operational battlefield, board room, and business space. Our experts work in the following service areas:
| Service | NAICS | NAICS Description |
| 2D & 3D CAD/CAM Engineering Services | 541340 | Drafting Services |
| Software Developent & Integration | 541511 | Custom Computer Programming Services |
| Cyber Security & BCDR Services | 541519 | Other Computer Related Services |
| Project Management | 541618 | Other Management Consulting Services |
| Program Management | 541618 | Other Management Consulting Services |
| Cyber Security & Process Engineering | 541690 | Other Scientific and Technical Consulting Services |
| Threat Detection, Edge Networking, Signals Intelligence Systems | 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) |
| Architectural and Mechanical Engineering | 541990 | All Other Professional, Scientific, and Technical Services |
| Access Control, Surveillance Systems, Alarm Systems | 561621 | Security Systems Services (except Locksmiths) |
| Computer Software Training, Productivity, Cyber, i2 | 611420 | Computer Training |
| Lean Six Sigma Leadership | 611430 | Professional and Management Development Training |
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