Omaha Filing Equipment Systems and Supplies 2501 Taylor St Established in 1918, Porter Trustin Carlson is the leading supplier of architectural building materials in the Nebraska, Western Iowa and Southeast South Dakota Areas. The Company provides design, installation and maintenance services for all its product lines. Omaha NE Filing Equipment Systems and Supplies Porter Trustin Carlson Co www.ptc-co.com garage door door doors garage overhead roll-up rolling opener sectional fire grille counter protection hardware dock leveler Cookson Aluma Shield Milcor Moderco Panelfold Bobrick Wondoor Montel Bradley Draper Interface InP garage door door doors garage overhead roll-up rolling opener sectional fire grille counter protection hardware dock leveler Cookson Aluma Shield Milcor Moderco Panelfold Bobrick Wondoor Montel Bradley Draper Interface InP Business Reviews Porter Trustin Carlson Co Testimonials