Ranked by oldest company: 1. Purvis Systems | Year founded: 1973 2. CAI Software LLC | Year founded: 1978 3. SEACORP LLC | Year founded: 1981 The complete list is available for purchase online. For information about participating in PBN’s Top Lists, or to make additions or corrections, call (401) 680-4838 or write to Research@PBN.com.
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