Portland generator businesses based in the City of Portland
One generator business based in Portland, ranked on the Portland area list. Its name opens its own page; Portland's own rules and what to do right now are below.
1 listed here382 on the Portland area list
Lists for Portland
Companies in Portland
1D & R Heating & Air
#190 of 382 in the Portland area
License not checked
49 pts
How the points work
- Experience100
Years licensed or years registered with the state, whichever is longer.
- Points100
Numbers are compared with the other companies on this list, so the biggest firm can't run away with a signal. A company the data doesn't cover gets the list's middle score for that signal, not zero. A signal measured for fewer than 3 companies on the list is left out of its points.
Paid placements0
Licenses from the Department of Consumer Business Services - Building Codes Division, file of Nov 7, 2026. Ask for the license number and check it with the Department of Consumer Business Services - Building Codes Division. A license can lapse after this page was built. Full method
Your business on this list?
Claim it, correct it or have it removed, free. The rules are the same for every company. How it works We never show a company's own phone number on a list.
Updated
Sources
- Building Codes Division - Active Contractor/Individual Licenses, file of Nov 7, 2026
Licenses as of the Department of Consumer Business Services - Building Codes Division's file of Nov 7, 2026, checked again on the day this page is published. We approved this source on Nov 4, 2026; companies are listed automatically, not reviewed one by one.