A Heavy Highway Civil Construction Source
  • Grade Tech Inc.
  • 2025
  • 7
  • 3
  • 42.86%
  • $8,709,567
  • 10.16%
  • 16.12%
  • 16.87%
  • $18,551,673
10250 Crow Canyon Rd
Castro Valley CA
94552
510-733-0390