5415. Computer Systems Design Services Add Listing 54132. Computer Systems Design & Related Services (446)541511. Custom Computer Programming Services (129)541513. Computer Facilities Management Services (1)541519. Other Computer Related Services (194)#0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ(Reset) Company Name / DBA Altium Llc Industrial Classification 5415. Computer Systems Design Services Business Type LLC Owner Name Altium Llc Street Address 4225 Executive Sq Suite 700 92037-9181 Phone Number 858 864-1516 541512 EditDelete Company Name / DBA Anthony Massa Custom Software Development Industrial Classification 5415. Computer Systems Design Services Business Type SOLE Owner Name Anthony J Massa Street Address 11527 Corte Playa Las Brisas 92124-1547 Phone Number 858 565-6887 541512 EditDelete Company Name / DBA Aryan Infosystems Industrial Classification 5415. Computer Systems Design Services Business Type PARTNR Owner Name Aarti Bhagat & Kishor Amberkar Street Address 16166 Cayenne Ridge Rd 92127-3707 Phone Number 858 566-2402 541512 EditDelete Company Name / DBA Alba Design Industrial Classification 5415. Computer Systems Design Services Business Type SOLE Owner Name Alan Ulises Alba Blancas Street Address 13923 Hibiscus Ave 92064-4009 Phone Number 858 367-3682 541512 EditDelete