What is CRS
The Contractors Registration System (CRS) registers contractors providing construction and construction-related services for the public sector.
Who is it for
For contractors intending to tender or undertake construction and construction-related public sector projects in Singapore.
Types of Workheads
There are a total of 65 workheads under the following 7 major groups of registration:
| Group of registration | Financial Grades |
| Construction Workhead (CW) | A1, A2, B1, B2, C1, C2, C3 |
| Construction Related Workhead (CR) | L6, L5, L4, L3, L2, L1, Single Grade |
| Mechanical & Electrical Workheads (ME) | L6, L5, L4, L3, L2, L1 |
| Facilities Management Workhead (FM) | FM01: M1, M2, M3, M4 FM02, FM03 & FM04: L6, L5, L4, L3, L2, L1 |
| Supply Heads (SY) | L6, L5, L4, L3, L2, L1 |
| Trade Heads (TR) | Single Grade |
| Regulatory Workheads (RW) | Not applicable |