- Network Rail Principal Contractor
- Level A & B distribution staff
- CRE design and construction services
- Protection upgrades
- 24h Maintenance callouts
- Substation upgrades to full turnkey packages
- Full Network support
- Installation test and commissioning plans

ICS carry out full railway infrastructure works for the rail industry, including Network Rail as one of their Principal Contractors with full RISQS accreditation, undertaking the installation, wiring and commissioning of switchgear & protection systems upgrades within track side substations across the network.