Precision steel fabrication, welding, and repair – built for Hawai’i homes and businesses
From custom gates and railings to structural steel and on-site welding, we deliver durable, clean work on schedule. Photos and testimonials say it best—browse recent projects and request a quote in minutes.
Services at a glance
Tengan Steel Services is a small, responsive team serving Hawaiʻi Island (and statewide by request). We combine shop precision with respectful, tidy work on site—so your project looks good and works exactly as you intended.
Custom Fabrication
Handrails, guardrails, stairs, gates, doors, brackets, frames, tables, fixtures, smokers, grills —fabricated to spec, primed and finished for island weather.
Structural & Misc. Metals
Beams, columns, embeds, lintels, connection plates, bollards, canopies, RTU frames—shop-built or field-fit to your drawings.
Mobile Welding & Repairs
Stick, MIG, TIG. On-site repairs for cracking, corrosion, impact damage, and modifications. After-hours emergency work available.
Ornamental Metals
Clean, consistent lines in steel and stainless. Powder-coat and hot-dip galvanizing options for longevity.
Design Assist & Drawings
Shop drawings, field measurements, and coordination with GCs, architects, and inspectors to keep submittals and installs moving.
Project Management
Clear schedules, photo updates, and punch-list follow-through. Licensed and insured; safety-first on every job.
An array of projects and satisfied customers
A very small sample of the work we’ve done — built strong and built to last.
Custom Double Swing Gate Fabrication and Installation
- Double swing gate, custom-built
- Schedule 40 galvanized pipe
- Commercial-grade galvanized chain link wrap
- Reinforced concrete-set posts
- Durable finish for long-term outdoor use
Custom Galvanized Steel Smokehouse with Fire Box
- Custom-built dimensions: 4 ft. x 4 ft. x 6 ft.
- Integrated side fire box for controlled heat and smoke flow
- Fabricated from galvanized steel for strength and weather resistance
- Designed to fit an existing concrete pad at the client’s home
- Durable build for years of use
Heavy-Duty Custom Pipe Rack Brackets
- Custom-fabricated rack brackets for 40 ft. shipping container
- Each bracket rated for 200+ pounds capacity
- Built for strength and durability — outperforms online models
- Precision welds for long-lasting performance
- Optimized for clean storage of pipes and steel stock
Custom Reinforced Steel Door
- Reinforced steel door fabricated to custom size
- Built for security after recent break-ins
- Painted and finished to match the site
- Fabricated and installed with same-day turnaround
- Stronger and longer-lasting than store-bought options
Custom Heavy-Duty Tent Pole Brackets
- Custom-fabricated tent pole brackets
- Built from heavy-duty tubing for superior strength
- Stronger and more reliable than store-bought parts
- Designed to withstand repeated setup and tear-down
- Provides safe, stable support for large tents
Custom Hold-Downs for Roofing Machine
- Custom-fabricated hold-down brackets
- Built for HPM roofing machine
- Heavy-duty steel construction for maximum durability
- Precision welds and drilled mounting plates
- Designed for reliable, long-term performance in industrial use
“Aaron has saved us more times than we can count over the past 16 years. From welding steel plates to reinforce our bar walk-in, to fabricating heavy-duty brackets for our bowling equipment, to custom gates and fencing to secure our property, Aaron has always delivered with precision and reliability. He’s someone we’ve been able to count on, time and time again.”
Calvin Higa
President and General Manager, KBXtreme