The sector Collecte et traitement des eaux usées (NAF code 37.00Z) comprises 716 active companies in France, of which 716 publish their accounts. The median sector revenue is 1.3 M€ with a median net income of 75 k€ (data from 2025).
Sources : INPI & INSEE SIRENE
Financial statistics by quartile (Q1 = 25%, Median = 50%, Q3 = 75%)
| Year | Q1 (25%) | Median | Q3 (75%) | Sample |
|---|
Number of companies in the sector by department
Ranking by revenue
Click on a department to see the main companies
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | OVIVE | SECLIN | 30.2 M€ |
| 2 | OPALE ASSAINISSEMENT | DUNKERQUE | 20.3 M€ |
| 3 | GESTION DE L'ASSAINISSEMENT DU VALENCIENNOIS | VALENCIENNES | 20.3 M€ |
| 4 | SOCIETE DES EAUX DE LA VILLE DE CAMBRAI | CAMBRAI | 11.5 M€ |
| 5 | TPF- UTILITIES | FRETIN | 6.9 M€ |
| 6 | HAINAUT MAINTENANCE | RAISMES | 5.6 M€ |
| 7 | MILLE | WAMBRECHIES | 5.6 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SARP-OSIS SUD EST | VAULX-EN-VELIN | 71.1 M€ |
| 2 | SARP CENTRE EST | RILLIEUX-LA-PAPE | 39.1 M€ |
| 3 | EAU ET CHALEUR EN HAUTE MONTAGNE | VAULX-EN-VELIN | 30.7 M€ |
| 4 | ECOSTATION | LIMONEST | 23.5 M€ |
| 5 | SEQUALY | CALUIRE-ET-CUIRE | 6.5 M€ |
| 6 | NICOLLIN EAU | VENISSIEUX | 5.2 M€ |
| 7 | HERA ASSAINISSEMENT | LYON | 4.1 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | EAUX DE NORMANDIE | MAROMME | 56.4 M€ |
| 2 | LHOTELLIER EAU | BLANGY-SUR-BRESLE | 11.7 M€ |
| 3 | VIAM | SOTTEVILLE-LES-ROUEN | 11.5 M€ |
| 4 | MEROPUR | MAROMME | 7.4 M€ |
| 5 | SNC VEOLIA EAU EXPLOITATIONS LE HAVRE | LE HAVRE | 5.8 M€ |
| 6 | ATHALYS | SOTTEVILLE-LES-ROUEN | 4.8 M€ |
| 7 | EKOPAK FRANCE | MONT-SAINT-AIGNAN | 3.5 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SERAMM - SERVICE D'ASSAINISSEMENT DE MARSEILLE METROPOLE | MARSEILLE | 106.3 M€ |
| 2 | AGGLOPOLE PROVENCE ASSAINISSEMENT | SALON-DE-PROVENCE | 10.2 M€ |
| 3 | SARP PROVENCE GESTION ET SERVICES | SALON-DE-PROVENCE | 7.6 M€ |
| 4 | SOCIETE D'ASSAINISSEMENT OUEST METROPOLE | MARSEILLE | 6.6 M€ |
| 5 | ACCM ASSAINISSEMENT | SALON-DE-PROVENCE | 5.4 M€ |
| 6 | GRIM'EAU | SALON-DE-PROVENCE | 4.1 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SARP-OSIS OUEST | NANTES | 66.1 M€ |
| 2 | SOCIETE ORLEANAISE D'ASSAINISSEMENT | NANTES | 39.0 M€ |
| 3 | SARP OUEST | NANTES | 34.4 M€ |
| 4 | EPUREO | SAINT-HERBLAIN | 12.9 M€ |
| 5 | SAUR SUD LOIRE | LA BAULE-ESCOUBLAC | 11.5 M€ |
| 6 | DUBILLOT ENVIRONNEMENT | LES SORINIERES | 3.9 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOCIETE D ASSAINISSEMENT DE BORDEAUX METROPOLE | BORDEAUX | 75.2 M€ |
| 2 | SARP SUD-OUEST | BASSENS | 62.5 M€ |
| 3 | SOCIETE DU BASSIN D'ARCACHON ASSAINISSEMENT ET PAR ABREVIATION SB2A | BIGANOS | 22.8 M€ |
| 4 | OVALIS ENVIRONNEMENT | BASSENS | 6.4 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOC EAUX VERSAILLES-ST CLOUD | TRAPPES | 103.7 M€ |
| 2 | ENTREPRISE ASSAINISSEMENT VOIERIE | ECQUEVILLY | 28.5 M€ |
| 3 | VIDANGES REUNIES S V R | GAZERAN | 12.0 M€ |
| 4 | SARP HYGIENE BATIMENT | ECQUEVILLY | 8.7 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | ALLIANCE ENVIRONNEMENT EXPLOITATION | LUNEL | 24.1 M€ |
| 2 | SERVIMO MEDITERRANEE | SAINT-JEAN-DE-VEDAS | 4.8 M€ |
| 3 | CITEC ASSAINISSEMENT - CONTROLE, INSPECTION, TESTS, ETANCHEITE, CANALISATION, ASSAINISSEMENT | SAINT-ANDRE-DE-SANGONIS | 3.3 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | CALLEA | LENS | 24.1 M€ |
| 2 | SOCIETE DES EAUX DE SAINT-OMER | SAINT-MARTIN-LEZ-TATINGHEM | 13.3 M€ |
| 3 | SOCIETE D'ASSAINISSEMENT DU BOULONNAIS | BOULOGNE-SUR-MER | 10.9 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOCIETE NOUVELLE ASSAINISSEMENT VIDANGES EGOUTS - BILLARD | VAUX-LE-PENIL | 33.1 M€ |
| 2 | MARNEO | SAINT-THIBAULT-DES-VIGNES | 15.4 M€ |
| 3 | MARNEAUVAL | CHELLES | 10.7 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | ODIVEA | DIJON | 43.3 M€ |
| 2 | VALEAURHIN | DIJON | 15.2 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | ASTEO | TOULOUSE | 63.2 M€ |
| 2 | METGE ENVIRONNEMENT | GARIDECH | 4.7 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOCIETE D'EXPLOITATION MUTUALISEE ISEROISE DE DISTRIBUTION D'EAU, D'ASSAINISSEMENT ET D'ORDURES MENAGERES | VILLEFONTAINE | 16.7 M€ |
| 2 | RAY ASSAINISSEMENT | CHARVIEU-CHAVAGNEUX | 3.9 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | LABAT ASSAINISSEMENT VIDANGE | AIRE-SUR-L'ADOUR | 4.8 M€ |
| 2 | LAFOURCADE | SOORTS-HOSSEGOR | 4.4 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOCIETE DE GESTION ET DE SERVICES POUR L'ASSAINISSEMENT ET L'EPURATION. | REIMS | 6.6 M€ |
| 2 | SOCIETE D'ASSAINISSEMENT DE L'AGGLOMERATION D'EPERNAY - SAAE | MARDEUIL | 3.8 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SECHE TRAITEMENT EAUX INDUSTRIELLES | CHANGE | 71.2 M€ |
| 2 | SECHE ASSAINISSEMENT | CHANGE | 24.9 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOCIETE DE VALORISATION DES EFFLUENTS DE LA METROPOLE DU GRAND NANCY | POMPEY | 9.8 M€ |
| 2 | SUEZ GRAND LONGWY AGGLOMERATION | LEXY | 3.1 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | ENTREPRISE MALEZIEUX | WOIPPY | 29.6 M€ |
| 2 | ENTREPRISE KUGLER | REDING | 2.9 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | ASSISTANCE ET TRAVAUX POUR L'INDUSTRIE ET LES COLLECTIVITES | BISCHHEIM | 11.7 M€ |
| 2 | SOCIETE DE VALORISATION DES EFFLUENTS DE L'EUROMETROPOLE DE STRASBOURG | STRASBOURG | 9.7 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOC ASSAINISSEMENT RATIONNEL ET POMPAGE | PARIS | 45.7 M€ |
| 2 | SOCIETE D'EXPLOITATION DE SYSTEMES ET D'INSTALLATIONS D'EAU ET D'ASSAINISSEMENT | PARIS | 32.3 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | GESTION POUR L'ENVIRONNEMENT DE MONTAUBAN | MONTAUBAN | 6.9 M€ |
| 2 | WEILL | MONTBETON | 3.2 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOCIETE D'ASSAINISSEMENT DU GRAND AVIGNON | AVIGNON | 16.2 M€ |
| 2 | SOCIETE AVIGNONNAISE DES EAUX | AVIGNON | 3.1 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SUEZ SERVICES FRANCE | PUTEAUX | 54.0 M€ |
| 2 | SEINE OUEST ASSAINISSEMENT | PUTEAUX | 7.3 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | TRA-SABLE | NOISY-LE-GRAND | 3.2 M€ |
| 2 | AHC ASSAINISSEMENT HYGIENE ET CONFORT | SAINT-DENIS | 3.2 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | CURAGE INDUSTRIEL DE GONESSE | GONESSE | 69.5 M€ |
| 2 | ORIAD ILE DE FRANCE | BOUFFEMONT | 7.7 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | VALVERT REGIONALE D ASSAINISSEMENT | CROTTET | 10.4 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SUD EST ASSAINISSEMENT DU VAR | NICE | 14.7 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | EAUX TROUVILLE-DEAUVILLE-NORMANDIE | TOUQUES | 21.7 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | COMPAGNIE D'ENVIRONNEMENT ROYAN ATLANTIQUE | VAUX-SUR-MER | 11.2 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | EAUX DE DINAN - ASSAINISSEMENT | TADEN | 4.7 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | FRANCHE COMTE ASSAINISSEMENT | BESANCON | 3.2 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | CHARTRES METROPOLE ASSAINISSEMENT | CHARTRES | 15.5 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SCOPHYDRO | GIMONT | 2.9 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | LEBLANC ENVIRONNEMENT | TAILLIS | 3.6 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | DOLEA-ASSAINISSEMENT | DOLE | 3.6 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | AMA ENVIRONNEMENT | SAINT-BARTHELEMY-D'ANJOU | 3.6 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SARL HYDROSERVICES DE L OUEST | THEIX-NOYALO | 7.6 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | YVES MADELINE | FLERS | 21.3 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SCAVI | COGNIN | 9.8 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | O DES ARAVIS | SAINT-JEAN-DE-SIXT | 6.6 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | ASSAINISSEMENT BODIN | FONTENAY-LE-COMTE | 3.8 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | CONFLUENCE SEINE ESSONNE ENERGIE | EVRY-COURCOURONNES | 7.4 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOC EAUX ET ASSAINISSEMENT | FORT-DE-FRANCE | 6.4 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | GRAND PRADO 360D | SAINT-DENIS | 13.2 M€ |
| # | Company | City | Revenue |
|---|---|---|---|
| 1 | SOCIETE MAHORAISE D'ASSAINISSEMENT | MAMOUDZOU | 6.6 M€ |
The sector Collecte et traitement des eaux usées (NAF code 37.00Z) has 716 active companies in France (source INSEE SIRENE), of which 716 publish their annual accounts (source INPI). The statistics presented here are based on companies that publish their accounts.
The median revenue of companies in the sector Collecte et traitement des eaux usées is 1.3 M€ (data from 2025). This means that half of the companies in the sector have lower revenue, and the other half have higher revenue.
The main companies in the sector Collecte et traitement des eaux usées by revenue are : SERAMM - SERVICE D'ASSAINISSEMENT DE MARSEILLE METROPOLE (106.3 M€), SOC EAUX VERSAILLES-ST CLOUD (103.7 M€), SOCIETE D ASSAINISSEMENT DE BORDEAUX METROPOLE (75.2 M€), SECHE TRAITEMENT EAUX INDUSTRIELLES (71.2 M€), SARP-OSIS SUD EST (71.1 M€). See the table above for the complete ranking.
The sector Collecte et traitement des eaux usées shows a median net income positive of 75 k€, which indicates overall healthy profitability.