Defendify
Information Technology Company5 Moulton St, Portland, ME
Business Services
Independent information technology companies in Portland, ME
12 independent, locally-owned information technology companies are listed in Portland, Maine on CheckThisBiz. National chains and franchises are not included. Ranked by how much we could independently verify (listing sources, phone, website and owner verification), the top information technology companies are Defendify, Introspective Systems and Systems Engineering.
How we rank: email-verified customer reviews on CheckThisBiz first, then independent checks (listing sources, phone, website and domain, owner verification). Paid placement never changes this ranking. Our methods · Sources · Updated October 1, 2026
View on map12 information technology companies in Portland · Clear
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Introspective Systems
Information Technology Company148 Middle St, Portland, ME
Systems Engineering
Information Technology Company120 Exchange St, Portland, ME
Reliable Networks
Information Technology Company477 Congress St, Portland, ME
Logically
Information Technology Company63 Marginal Way, Portland, ME
Yellahoose LLC
Information Technology Company142 High St, Portland, ME
Liberty Ship Technology
Information Technology Company400 Commercial St, Portland, ME
Information Systems of Maine
Information Technology Company123 Longfellow St, Portland, ME
Reed Allen Photography
Information Technology Company400 Capisic St, Portland, ME
The People's Geek
Information Technology Company27 Hanson St, Portland, ME
All Computer Solutions Inc
Information Technology Company22 Monument Sq, Portland, ME
Uprise Partners
Information Technology Company254 Commercial Street, Merrill’s Wharf Suite 245, Portland, ME
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