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Premier Steel Door & Security Products Manufacturer
Founded in 1856, Deansteel Manufacturing has evolved from a small sheet metal shop into a premier U.S. manufacturer of hollow metal doors, marine doors, and bullet- and blast-resistant security products. Our veteran-owned business has over 67 years of experience serving construction, energy, and military clients globally. We maintain rigorous quality standards, with products third-party tested to meet demanding industry specifications. Our commitment to innovation is demonstrated through specialized divisions for marine applications, security solutions, and hollow metal construction. With 150,000 square feet of production space and extensive inventory, we combine traditional craftsmanship with modern fabrication technology.Our team maintains Joseph Dean's original principles of quality workmanship and honest business practices while delivering cutting-edge solutions. We hold more certifications than any other American manufacturer in our field, including UL, USCG, and IMO approvals. Our technical expertise spans fire-rated doors, hurricane-resistant systems, and ballistic protection meeting UL 752 and NIJ standards. We serve customers worldwide through a network of distributors and direct sales channels. This combination of heritage, technical capability, and customer focus has made us an industry leader for over six decades.
Services
Hollow Metal Doors
Marine Fire Doors
Bullet-Resistant Doors
Blast-Resistant Systems
Custom Steel Windows
FEMA Storm Doors
Acoustical Doors
Weathertight Barge Doors
Stainless Steel Showers
Highlights and features
- 67 years of specialized experience in steel door manufacturing
- Veteran-owned business with continuous family leadership
- Most comprehensive industry certifications in North America
- In-house R&D for ballistic and blast-resistant technologies
- Global service with domestic manufacturing capabilities
Associations and certifications
- Underwriters Laboratories (UL)
- US Coast Guard (USCG)
- International Maritime Organization (IMO)
- Steel Door Institute (SDI)
- National Association of Metal Manufacturers
What people say
Unmatched durability
Critical safety certifications
Military-grade protection
Timely delivery
Technical support
Services
Hollow Metal Doors
Commercial-grade hollow metal doors and frames meeting SDI standards. Available in fire-rated, acoustical, and hurricane-resistant configurations. Constructed from cold-rolled steel for durability in institutional and industrial applications.
Marine Fire Doors
IMO FTP Code-compliant marine doors with USCG and EC certifications. Designed for offshore rigs and vessels with A0-A60 fire ratings. Features weathertight seals and impact-resistant construction for harsh maritime environments.
Bullet-Resistant Doors
UL 752-certified security solutions protecting against handgun and military ordnance threats. Available in Levels 1-10 protection with custom configurations for banks, government facilities, and military installations.
Blast-Resistant Systems
Engineered blast mitigation doors tested to 50 psi pressures. Independently verified through shock tube testing with performance diagrams for precise application requirements in high-risk environments.
FEMA Storm Doors
FEMA 320/361-compliant storm shelter doors protecting against hurricanes and tornadoes. Impact-resistant construction with 130 MPH wind ratings for community shelters and critical infrastructure facilities.
People
John Dean
CEO
Third-generation leader with 40+ years in steel manufacturing. Directed expansion into ballistic and marine divisions. Holds multiple industry certifications. Maintains family commitment to quality and innovation since 1980s leadership transition.
Gilbert Vigil
President
Overseeing daily operations with 25+ years in metal fabrication management. Focuses on production efficiency and quality control. Instrumental in facility expansion to 150,000 sq ft. Maintains SDI certification compliance.
Nicholas Valentin
Vice President of Engineering
Licensed Professional Engineer managing R&D for new product development. Leads blast-resistant testing program with BakerRisk. Holds multiple patents for security door mechanisms. 20+ years in structural steel design.
Tom Perez
Sales Manager
15-year veteran in technical sales for marine and security products. Manages international client relationships. Expert in IMO and USCG regulatory requirements. Facilitates custom solution implementations for offshore projects.
Juan Cardenas
Plant Manager
Operations leader with 30+ years in manufacturing. Oversees 200+ employees and lean production systems. Maintains just-in-time inventory for 10,000+ frame components. Implements safety protocols for heavy metal fabrication.
Questions
What industries does Deansteel serve?
We serve construction, maritime, defense, energy, and government sectors with specialized steel door solutions.
Are Deansteel products certified for safety standards?
Yes, we hold UL, USCG, IMO, and NFPA certifications with third-party testing for all product lines.
Can you customize security door specifications?
Our engineering team designs custom ballistic and blast-resistant solutions meeting exact project requirements.
Do you supply products internationally?
Yes, we service global markets with shipping options for offshore and military installations worldwide.
What makes Deansteel different from competitors?
We combine 168-year heritage with cutting-edge R&D, holding more industry certifications than any U.S. manufacturer.
How quickly can orders be fulfilled?
Standard items ship from stock inventory while custom orders typically take 4-6 weeks production time.
