Need Experienced Plumber/Installer for Catchment Tank, Filtration, Pump, and Tan

Looking to hire an experienced, reliable person or team to build and install a 15,000-gallon catchment tank system and complete the plumbing tie-in for a residential property in Hawaii.
Scope of work includes:
Build and install 15,000-gallon catchment tank.
Install filtration system and water pump.
Connect system to existing plumbing.
Hook into the water heater.
Install tankless water heater.
Make sure all components are properly tested and working.
Ideal candidate should have experience with:
Catchment systems.
Plumbing and water filtration.
Water pumps and pressure systems.
Tankless water heater installation.
Clean, professional workmanship.
Please reply with:
Your experience.
Photos of similar work.
Availability.
License and insurance status, if applicable.
Estimated cost or bid range.
Serious applicants only. Looking for someone dependable who can complete the job correctly and efficiently.
Optional shorter version:
Need experienced plumber/installer for a 15,000-gallon catchment tank build, filtration and pump install, and tankless water heater hookup. Must have experience with catchment systems and plumbing. Please send experience, photos, availability, and bid.
One note: tankless water heater and catchment work often involves plumbing, electrical, and possibly permitting, so it helps to ask for license/insurance and clarify whether the bidder will handle code compliance. Tankless installation commonly involves venting, gas/electrical connections, and proper hookup steps that are best handled by a qualified pro