Data
Plumbing companies in Louisiana
There are 2,883 plumbing companies in Louisiana (CityPreferred count, October 2026). North Island has the most (849), then New Orleans (124).
Reviewed October 1, 2026
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Louisiana cities
| City | Companies |
|---|---|
| North Island | 849 |
| New Orleans | 124 |
| Baton Rouge | 108 |
| Shreveport | 100 |
| Metairie | 92 |
| Lafayette | 66 |
| Kenner | 59 |
| Lake Charles | 57 |
| Slidell | 50 |
| West Monroe | 49 |
| Denham Springs | 47 |
| Houma | 44 |
| Covington | 40 |
| New Iberia | 35 |
| Mandeville | 33 |
| Bossier City | 31 |
| Gretna | 26 |
| Marrero | 26 |
| Thibodaux | 25 |
| Walker | 21 |
| Hammond | 21 |
| Sulphur | 20 |
| Ruston | 20 |
| Chalmette | 20 |
Louisiana and the rest of the country
Louisiana has 2,883 of the 185,402 plumbing companies in the country (2%). All states.
What is counted
Independent businesses that do this work, for homes or for businesses. Suppliers, stores and national chains are left out. Being counted does not mean a company is licensed, insured or recommended. A city is listed when it has 20 or more. How we count.
Questions and answers
- How many plumbing companies are there in Louisiana?
- 2,883, by CityPreferred's count as of October 2026.
- Which Louisiana city has the most?
- North Island, with 849, followed by New Orleans with 124.