23511. Plumbing, Heating & Air Conditioning Contractor Add Listing #0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ(Reset) Company Name / DBA University Mechanical & Engineering Contractors Industrial Classification 23511. Plumbing, Heating & Air Conditioning Contractor Business Type CORP Owner Name Univ Mechanical & Engineering Contractors Inc Street Address 1168 Fesler St 92020-1812 Phone Number 619 956-2500 23511 EditDelete Company Name / DBA Ultimate Air System Inc Industrial Classification 23511. Plumbing, Heating & Air Conditioning Contractor Business Type CORP Owner Name Ultimate Air System Inc Street Address 7052 Convoy Ct 92111-1017 Phone Number 858 866-5622 23511 EditDelete