Veteran-owned planning and specification firm providing engineering, detailed specifications, competitive bidding, and construction oversight from concept to completion
Bunker Up Buttercup is a veteran-owned Missouri planning and specification firm specializing in underground bunkers. We guide every phase of your project—from initial design and specifications, with structural engineering review by a licensed Missouri PE, to competitive contractor bidding, and construction oversight through final commissioning.
We produce complete planning and specification packages—with structural drawings prepared and sealed by our licensed partner engineering firm—then bid your project to vetted, licensed contractors in our partner network and oversee the work to completion. You get professional planning, competitive pricing, and independent oversight backed by licensed Missouri engineers.


Professional specification standards, survival-focused design, and Springfield-specific engineering
Every bunker designed with PE-stamped structural plans by licensed Missouri engineers who understand our challenging clay soils
PE-stamped structural plans and specifications prepared by licensed Missouri engineers who protect your project from concept to completion
We bid your specified project to vetted, licensed contractors in our partner network—securing competitive pricing and accountable, vetted subcontractors
Every contractor in our partner network is vetted for licensing, insurance, experience, and quality—so the crew that builds your bunker is one we trust
Deep expertise in local soils, water tables, freeze-thaw cycles, and tornado engineering requirements
Professional-grade waterproofing, reinforced concrete, heavy steel framing—built to last generations
All projects meet or exceed Missouri building codes and FEMA shelter specifications
Professional bunker construction throughout the Springfield region
Schedule your free consultation and site assessment with Missouri's leading bunker planning and specification firm.
(417) 895-8733