Manufacturing
Custom fabrication, machining, and assembly—built to your specifications.
Sentry’s Manufacturing Division delivers custom fabrication, CNC machining, structural steel, and assembled systems for customers nationwide.
With welding, machining, assembly, and finishing in-house, we support everything from individual custom components to complete systems built to your specifications.
Manufacturing Capabilities
- Mild steel, stainless steel, and aluminum fabrication
- Structural steel fabrication and pipe welding
- Custom fabrication and design coordination
- CNC cutting and machining for precise component preparation
- In-house paint and finishing using a large-scale wet paint booth
- Custom trailer frames and structural assemblies
Manufacturing Services
Custom components and complete manufacturing solutions built to your specifications, from one-off projects to repeatable production.
Precision CNC machining for custom components, fabricated assemblies, structural systems, and integrated products.
Cutting, forming, and welding for custom metal components, access systems, and specialty assemblies.
Structural steel and miscellaneous metal components for platforms, access systems, and other load-bearing applications.
Complete systems assembled in-house, delivering mobile or fixed products ready for installation or operation.
In-house paint and finishing for fabricated components and assembled systems, with industrial paint products also available for sale.
Service, repairs, retrofits, refinishing, and upgrades to keep manufactured products working throughout their lifecycle.
How We Deliver Manufacturing Work
We work directly with you to understand your application, performance requirements, and delivery needs, then coordinate fabrication, machining, assembly, and finishing in-house.
Keeping these capabilities under one roof helps us manage quality and schedules while delivering components and complete systems ready for installation or operation.
Quality & Certifications
Sentry LLC’s Watertown, South Dakota facility is AISC-certified as a Building Fabricator and Highway Component Manufacturer.
We maintain quality control throughout fabrication, machining, welding, and finishing, with work performed to applicable project specifications and industry standards.
Who We Serve
- Contractors
- Dealers
- Independent Customers
- Processors
- Producers
Materials & Products
Materials
- Mild Steel
- Stainless Steel
- Aluminum
Manufactured Products
- Vapor Line Stands
- Load Out Stands
- Pipe Stands
- Cellar Covers
- Structural Steel Components
Start a Manufacturing Project
Tell us about your project. Our manufacturing team can discuss your requirements, timeline, and next steps.