# Drainage contractors in Calgary

3 drainage contractors near Calgary, ranked by the strength of independent public evidence. Trust Score is used when available, drawing on reviews, credential evidence and registry data from named public sources, cross-checked wherever more than one source covers a business. No ads, no paid placement. Grouped by main trade first, then businesses that also offer this trade, with possibly closed businesses last. Highest Trust Score first within each group. All 3 are listed below, ranked by evidence.

| Contractor | Location | Trust Score | Rating | Reviews | Named sources | Listed under |
| --- | --- | --- | --- | --- | --- | --- |
| [Knight Plumbing, Heating And Air Conditioning Ltd](https://ca.mytrustedtraders.com/traders/knight-plumbing-heating-and-air-conditioning-ltd) | Calgary, Alberta | 74/100 | 4.8/5 | 1,364 | HomeStars | Also offer this trade |
| [SG Mechanical](https://ca.mytrustedtraders.com/traders/sg-mechanical) | Calgary, Alberta | 32/100 | 4.9/5 | 19 | HomeStars | Also offer this trade |
| [Day & Knight Plumbing & Heating Ltd.](https://ca.mytrustedtraders.com/traders/day-knight-plumbing-heating-ltd) | Calgary, Alberta | Not shown | 5.0/5 | 167 | HomeStars | Also offer this trade |

Each contractor's full public evidence is at its profile URL (append `/md` for a Markdown version). See all drainage contractors in Canada at `https://ca.mytrustedtraders.com/find/drainage-contractor`.

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Source: MyTrustedTraders. https://ca.mytrustedtraders.com/find/drainage-contractor/calgary
Real public evidence only: every figure traces to a named source, and figures are cross-checked wherever more than one independent source covers the same business. If a source does not carry a field, it is not shown.