Build Faster. Build Safer. Build with UniSteel400

Pre‑engineered metal buildings: clear spans, code‑ready performance, and crews that deliver.

Colorado Steel Building Erection Specialists

UniSteel400 is a Colorado‑based erector specializing in pre‑engineered metal buildings (PEMBs). Our crews are experienced on projects ranging from warehouses and municipal facilities to farm structures and residential shops. We handle the full erection scope with documented safety and quality control, serving Colorado and the broader Midwest as a certified Butler Builder®.

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What We Build & Erect (PEMBs)

We construct steel buildings for commercial, municipal, agricultural, and residential projects.

Commercial & Industrial

  • Warehouses & Distribution Centers
  • Manufacturing Facilities & Machine Shops
  • Restaurants & Breweries
  • Office & Retail
  • Self‑Storage

Municipal & Public Works

  • Government Buildings & Municipal Storage
  • Police & Fire Stations
  • Community Centers & Public Facilities
  • Fleet & Public Works Shops

Agricultural & Equestrian

  • Barns & Equipment Storage
  • Hay & Feed Storage
  • Riding Arenas & Horse Stables
  • Livestock Shelters & Animal Sheds
  • Workshops, Offices & Outbuildings
  • Cannabis Buildings

Residential Shops & Outbuildings

  • Garages, Workshops & Storage Buildings
  • Carports & RV Covers
  • Homes/Cabins & Outbuildings
  • Kennels & Sheds

Why Owners Choose UniSteel400

Speed, Safety, Quality: Dedicated PEMB erection crews; EMR 0.84 for proven safety.

Full‑Scope Erection: Anchor bolt verification, framing, envelope, doors/windows, insulation systems (Simple Saver, IMPs), trim and weathertightness.

Documentation & Inspections: We erect to stamped drawings and maintain site documentation to streamline approvals.

Multi‑Manufacturer Ready: We coordinate with leading PEMB manufacturers—ready the day your building arrives.

Colorado Experience: Founded in 2019; family‑owned, multiple crews led by experienced leaders.

Serving Denver Metro, Northern Front Range, Eastern Plains, Western Slope and neighboring states including Wyoming, Texas, New Mexico, Kansas and Nebraska.

Service Areas

We erect buildings across Colorado (Denver Metro, Northern Front Range, Eastern Plains, Western Slope) and into neighboring states (Wyoming, Texas, New Mexico, Kansas, Nebraska).

Popular Building Types

Self Storage Buildings

Farm & Agricultural Buildings

Riding Arenas and Equestrian Buildings

Residential Buildings

Gym & Athletic Buildings

Warehouse Buildings

Why Choose Us

UniSteel400 is a building contractor specializing in the erection of pre-engineered metal buildings.  We have constructed a diverse array of buildings from large agricultural buildings & warehouses to school gymnasiums and rock climbing gyms.  We have worked for some the largest contractors in the Midwest.

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