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Portland Exteriors Firm Says It Has Served More Than 300 Clients
The family-owned company, run by partners Mike McCullum and Bob Milliken, follows federal lead-safe rules on older homes.
Roofing, siding & windows · Portland · www.cardinalext.com
Maine Business Wire reported on Cardinal Exteriors on October 9, 2026.
October 9, 2026
Cardinal Exteriors is a family-owned exterior contracting company in Portland run by partners Michael McCullum and Robert Milliken, known on the company's website as Mike and Bob.

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The family-owned company, run by partners Mike McCullum and Bob Milliken, follows federal lead-safe rules on older homes.