Construction zone traffic control contractors in San Francisco, CA

19 licenses with the C-31 classification list San Francisco (San Francisco County) as their address with the state, 19 of them active. Active licenses with nothing flagged come first.

• ✓C3pr IncA · B · C-31 · C-32 · #1104017 San Francisco · San Francisco County Active
• ✓Cmc Traffic Control Specialists LLCC-31 · #792059 San Francisco · San Francisco County Active
• ✓Crystal MiksA · B · C-31 · C-32 · #1150737 San Francisco · San Francisco County Active
• ✓Demakas Plumbing & Heating IncC-4 · C-16 · C-20 · C-31 +2 · #349523 San Francisco · San Francisco County Active
• ✓Dr Traffic Control LLCC-31 · #1099211 San Francisco · San Francisco County Active
• ✓Fontenoy EngineeringA · C-27 · C-31 · #981726 San Francisco · San Francisco County Active
• ✓Ground Control IncA · C-21 · C-27 · C-31 +2 · #1046787 San Francisco · San Francisco County Active
• ✓Hernandez EngineeringA · C-31 · #756488 San Francisco · San Francisco County Active
• ✓Hoseley CorporationA · C-27 · C-31 · HAZ · #1000494 San Francisco · San Francisco County Active
• ✓Marinship Development Interest LLCA · B · C-31 · HAZ · #1013885 San Francisco · San Francisco County Active
• ✓McO EngineeringA · B · C-31 · C-51 · #986437 San Francisco · San Francisco County Active
• ✓Michael O'Shaughnessy Construction IncA · C-31 · #984235 San Francisco · San Francisco County Active
• ✓Mission Constructors IncA · B · C-31 · #973263 San Francisco · San Francisco County Active
• ✓Mitchell EngineeringA · B · C-10 · C-31 +2 · #754676 San Francisco · San Francisco County Active
• ✓N T K Construction IncA · B · C-31 · C-36 +1 · #851273 San Francisco · San Francisco County Active
• ✓Nibbi-Marinship JvA · B · C-8 · C-31 · #1159815 San Francisco · San Francisco County Active
• ✓Ranger Pipelines Inc & Cts JvA · B · C-4 · C-31 +1 · #1143222 San Francisco · San Francisco County Active
• ✓Ranger Pipelines IncorporatedA · B · C-4 · C-31 +1 · #417996 San Francisco · San Francisco County Active
• ✓Ranger/liffey JvA · C-4 · C-10 · C-31 +1 · #1079350 San Francisco · San Francisco County Active

Source: CSLB license file, Nov 8, 2026All trades in San Francisco