Complex custom steel tower installed at elevation

Custom structural steel · Nationwide

Complex steel.
Completely handled.

Design-assist, custom fabrication and field installation for structures that ordinary shops won’t touch.

See what
we do

Built by Bonsai Colorado · Nationwide

Capability forged in the field

Two decades solving unusual structures taught us how to make steel work when access is hard, geometry is custom and failure is not an option.

20+Years of complex
steel execution
80+Structures delivered
in demanding sites
01Accountable team from
shop drawings to install

Proof, not promises · 2011—2026

Steel without
the shortcuts.

A steel aerial structure rising over open terrain

One contract · Full responsibility

From detail
to done.

  1. 01
    Design-assist

    Early constructability, connection strategy and value engineering.

  2. 02
    Detail & engineer

    Coordinated models, shop drawings and stamped solutions.

  3. 03
    Custom fabricate

    Complex assemblies built, finished and trial-fit before shipment.

  4. 04
    Deliver & erect

    Experienced field crews for remote, elevated and constrained sites.

Send us the difficult package

Let’s make the
hard part easy.

steel@bonsai-design.com Request a bid ↗