CIDB Grade 1 contractors in JOHANNESBURG, Gauteng
Use this page when you already know the grade but still need to choose the right work class in JOHANNESBURG.
Grade 1 carries a CIDB tender threshold of Up to R200,000. Start with the class chooser below to open the most relevant class-specific shortlist.
Quick actions
Contractors at this grade
210
Active
182
Classes available
16
Latest capture
14 Mar 2026 at 20:44
Choose the work class you need
Start with the class that best matches the tender scope. Public shortlist pages are linked directly; lower-volume classes stay informational and point to the class guide.
General Building
Open the Grade 1 GB shortlist for JOHANNESBURG.
Contractors
101
Active
89
PE
92
Civil Engineering
Open the Grade 1 CE shortlist for JOHANNESBURG.
Contractors
87
Active
78
PE
72
Electrical: Public Installations
Open the Grade 1 EP shortlist for JOHANNESBURG.
Contractors
57
Active
49
PE
47
Mechanical Engineering
Open the Grade 1 ME shortlist for JOHANNESBURG.
Contractors
51
Active
48
PE
42
Specialist: Roofing & Waterproofing
Open the Grade 1 SO shortlist for JOHANNESBURG.
Contractors
45
Active
40
PE
41
Specialist: Piling & Foundations
Open the Grade 1 SQ shortlist for JOHANNESBURG.
Contractors
33
Active
29
PE
32
Specialist: Structural Steelwork
Open the Grade 1 SH shortlist for JOHANNESBURG.
Contractors
21
Active
20
PE
20
Electrical: Building Installations
Open the Grade 1 EB shortlist for JOHANNESBURG.
Contractors
20
Active
16
PE
19
Specialist: Lifts & Escalators
Open the Grade 1 SK shortlist for JOHANNESBURG.
Contractors
17
Active
16
PE
15
Specialist: Demolition
Open the Grade 1 SB shortlist for JOHANNESBURG.
Contractors
11
Active
9
PE
11
Specialist: Formwork & Falsework
Open the Grade 1 SF shortlist for JOHANNESBURG.
Contractors
9
Active
8
PE
8
Specialist: Landscaping
Open the Grade 1 SL shortlist for JOHANNESBURG.
Contractors
7
Active
6
PE
7
Specialist: Painting & Decorating
Open the Grade 1 SN shortlist for JOHANNESBURG.
Contractors
7
Active
6
PE
7
SE
Open the Grade 1 SE shortlist for JOHANNESBURG.
Contractors
6
Active
6
PE
6
Specialist: Glazing
Review the SG class guide while this city-grade path remains below the public shortlist threshold.
Contractors
3
Active
3
PE
2
SI
Review the SI class guide while this city-grade path remains below the public shortlist threshold.
Contractors
3
Active
3
PE
3
Source confidence
CIDB-linked crawl evidence for this city-grade screening set.
Evidence rows
420
With evidence
210
Latest capture
14 Mar 2026 at 20:44
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