Missouri's Turnkey Bunker Specialists

Full-Service General Contractor

Bunker Up Buttercup is a licensed and insured Missouri general contractor specializing in underground bunker construction. We handle every phase of your project—from initial design and engineering review to excavation, installation, waterproofing, construction, and final commissioning.

Unlike design-only firms or coordination services, we're the single point of contact for your entire bunker project. No subcontractor management required. No coordination headaches. Just professional, turnkey construction backed by our Missouri contractor license and comprehensive insurance.