Rail Jennings

Ali’i Mechanical Contractors LLC, is a general contractor that is responsible for providing all of the material, labor, equipment, and tools, services necessary for the construction of the project.

Our responsibilities may include applying for building permits, securing the property, providing temporary utilities on site, managing personnel on site, providing site surveying and engineering, disposing of or recycling construction waste, monitoring schedules and cash flows, and maintaining accurate records.




Our Services can include:

  • Grease Traps Installations
  • Underground Fire Protection Installations
  • Certified Shop and Mobile Welding
  • Engineering Services
  • Pre-Engineered Buildings
  • Structural Steel
  • Fabrication & Welding
  • Process Piping & Plumbing
  • Asphalt Paving and Repairs
  • Emergency plumbing repairs
  • Drain Cleaning
  • Sewer Jetting Service
  • Drain treatment products
  • Value-added Engineering