About STI Marine Firestop

A Division of Specified Technologies Inc.

About STI Marine Firestop document

STI Marine's team of experienced professionals is ready to assist on your next project. We employ field representative all over the globe to provide expert one-on-one support and training in your office or in the shipyard. We have engineering offices in different countries to provide technical support for even the most complicated applications or custom situations. Count on us to provide the support your team needs to make your next build successful.

For over 30 years, STI has been the leader in developing innovative firestopping solutions - whether on land or at sea. Trust STI for Service, Technology, and Innovation; pillars for our success and yours!

Our Mission

To provide innovative and cost-effective firestop solutions.

Our Core Values

  • Firestopping and its important role in life safety
  • Our customers’ success and making their experience with us as valuable and enjoyable as possible
  • Delivering knowledge and outstanding technical support
  • Maintaining a culture of integrity, caring, respect, flexibility, teamwork, and fun
  • Developing high-quality, innovative, and environmentally responsible products
  • Our employees and their personal and professional development
  • Financially sustainable performance
james stahl headshot

Our Commitment

Welcome to STI Marine where you can instantly access all the relevant information on our innovative line of cable transits and penetration seals for fire-rated bulkheads and decks. All of our products and systems are subject to Type Approvals from major classification agencies such as DNV GL, Lloyds Register, ABS, BV, as well as approvals by USCG and MED.

We are continuously testing new applications so check back frequently, or reach out to our Technical Services team or any of our regional marine offices for more information. Whether you need to comply with fire related requirements or have a unique water-tight condition, I am confident we can help.

On behalf of all my colleagues, we look forward to serving you and earning the opportunity to be a trusted supplier to your company.

James P. Stahl Jr.

Vice President & General Manager, STI Marine

Worldwide Offices

North America - Corporate

Europe - Regional Office

Middle East - Regional Office

Singapore - Regional Office

Latin America - Regional Office

India - Regional Office

Far East Asia & China - Regional Office

Career Opportunities

What Specified Technologies Inc. Offers

  • Competitive compensation package
  • Matching 401k Plan
  • Paid Time Off
  • Medical, Dental & Vision
  • Company Paid Life, Short & Long Term Disability
  • Flex Spending Programs
  • Educational Reimbursement

When you join Specified Technologies Inc., you are joining a company that centers its focus on excellence by encouraging the talent within. We value our employees, their ideas and their innovations. In order for us to thrive as a business, we must include and encourage participation from all. Our leaders and our teams have an ownership mindset that brings a higher level of impact to the business. Because of this, we are able to provide our clients with products that are nothing short of excellent in fit, feel and performance.

Specified Technologies Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

Visit our career portal to submit your information now!

Please no phone calls!

View Available Opportunities

Notable Projects

Since 1991, STI has been involved in thousands of projects around the world. Listed below is a partial list of these projects.

Bulk Carrier

Chemical Tanker

Container Ship

CPP Platform



Drill Ship


Ferry Ropax







Offshore Aux LQ

Offshore LQ

Oil & Gas

ORE Carrier






Super Yacht

Survey Vessel / Yacht