Request a QuoteSenneca Companies ORDER TODAY! 800.456.7788 Products About UsResourcesContact About Senneca Thermoseal is a Senneca Company Senneca Holdings is a diversified management and holding company whose companies are focused on the specialty door industry. Senneca oversees the operations of its companies, allocates resources among them, and helps to improve the performance of its operations. Senneca seeks out acquisition opportunities that strengthen our position in a business segment as well as companies that will diversify our portfolio of specialty doors. Senneca combines global scale with operational agility to lead the markets we serve. Recognized for our entrepreneurial approach for over 30 years, our Team of employees worldwide takes pride to provide customers with the best specialty doors to meet your needs. More About Senneca OUR COMPANIES Thermoseal Industries, LLC 5350 Frye Road Irving, TX 75061 Phone 800.456.7788 Email info@thermoseal.com Fax 856.456.0989 © Copyright 2021 Thermoseal. All Rights Reserved. content management, website design, e-commerce and web development services in Erie, Pennsylvania