diff --git a/affiliations-tools/v1/corporate/abreviations.csv b/affiliations-tools/v1/corporate/abreviations.csv
new file mode 100644
index 0000000..1b02f4b
--- /dev/null
+++ b/affiliations-tools/v1/corporate/abreviations.csv
@@ -0,0 +1,108 @@
+Acad	Academie
+Accid	Accident
+Adm	Administrative
+Aerosp	Aerospaciale
+Agr	Agricole
+AFB	Air Force Base
+AIDS	Acquired Immuno Deficiency Syndrome
+Amer	American
+Anal	Analysis
+Anat	Anatomie
+Anim	Animal
+Arthrit	Arthritis
+Assoc	Association
+Ave	Avenue
+Biochem	Biochemistry
+Biol	Biologie
+Bot	Botanique
+Blvd	Boulevard
+Bur	Bureau
+Canc	Cancer
+Ctr	Centre
+Chim	Chimie
+Chirurg	Chirurgie
+Coll	Collège
+Com	Comite
+Commun	Communication
+Co	Compagnie
+Conf	Conference
+Def	Defense
+Dept	Departement
+Dev	Developpement
+Diabet	Diabetes
+Diag	Diagnosis
+Div	Division
+Educ	Education
+Elect	Electrique
+Environm	Environnement
+Etab	Etablissement
+Etud	Etudes
+Expt	Experimentation
+Fac	Faculte
+Fed	Federal
+Ft	Fort
+Fdn	Fondation
+Gen	General
+Govt	Gouvernement
+Grp	Groupe
+Hist	Histoire
+Hop	Hopital
+Hort	Horticulture
+Hosp	Hospital
+Hyg	Hygiene
+Ind	Industrie
+Infect	Infectieuse
+Informat	Informatique
+Inst	Institut
+Int	International
+Intro	Introduction
+Invest	Investigation
+Jr	Junior
+Lab	Laboratoire
+Lect	Lecture
+Lib	Librairie
+Malad	Maladie
+Mat	Materiel
+Math	Mathematique
+Mech	Mecanique
+Med	Medicine
+Mem	Memorial
+Metab	Metabolique
+Met	Metallurgie
+Mil	Militaire
+Minist	Ministre
+Mol	Moleculaire
+Mt	Mont
+Nat	Nature
+Nav	Navigation
+Nucl	Nucleaire
+Nutr	Nutrition
+Observ	Observatoire
+Obstet	Obstetrique
+Off	Office
+Org	Organisation
+Pediat	Pediatrique
+Pharm	Pharmacie
+Phys	Physique
+Pl	Place
+Prod	Production
+Prov	Province, Provincial
+Psychiat	Psychiatrique
+Rech	Recherche
+Rehabil	Rehabilitation
+Reprod	Reproduction
+Sanit	Sanitaire
+Sci	Science
+Sect	Section
+Serv	Service
+Soc	Societe
+Stn	Station
+Stat	Statistique
+Struct	Structure
+Syst	Systeme
+Tech	Technique
+Tel	Telephone
+Temp	Temperature
+Terr	Territoire
+Text	Textile
+Univ	Universite
diff --git a/affiliations-tools/v1/corporate/abreviations.pickle b/affiliations-tools/v1/corporate/abreviations.pickle
new file mode 100644
index 0000000..36dc6b7
--- /dev/null
+++ b/affiliations-tools/v1/corporate/abreviations.pickle
Binary files differ
diff --git a/affiliations-tools/v1/corporate/abreviations.py b/affiliations-tools/v1/corporate/abreviations.py
new file mode 100644
index 0000000..1441d5d
--- /dev/null
+++ b/affiliations-tools/v1/corporate/abreviations.py
@@ -0,0 +1,28 @@
+import csv
+import pickle
+
+# fonction : création du dictionnaire depuis un CSV : colonne 1 = key et colonne 2 = value
+def transform_to_dict(csv_file):
+    my_dict = {}
+    with open(csv_file, 'r') as file:
+        f = csv.reader(file, delimiter='\t')
+
+        for row in f:
+            key = row[0].lower().strip()
+            value = row[1].lower().strip()
+            my_dict[key] = value
+
+    return my_dict
+
+# fonction : sauvegarde du dictionnaire dans un pickle
+def save_dict_to_pickle(my_dict, my_pickel):
+    with open(my_pickel, 'wb') as file:
+        pickle.dump(my_dict, file)
+
+# appel des fonctions 
+fichier_csv = 'abreviations.csv'
+resultat = transform_to_dict(fichier_csv)
+
+fichier_pickle = 'abreviations.pickle'
+save_dict_to_pickle(resultat, fichier_pickle)
+
diff --git a/affiliations-tools/v1/corporate/private_public.py b/affiliations-tools/v1/corporate/private_public.py
new file mode 100644
index 0000000..7ac6f68
--- /dev/null
+++ b/affiliations-tools/v1/corporate/private_public.py
@@ -0,0 +1,114 @@
+import json
+import sys
+import pickle
+import re
+import urllib.parse
+import requests
+from ratelimit import limits, RateLimitException
+from backoff import on_exception, expo
+
+# Filtrage par mot clé pour ne garder que l'essentiel
+def filter(affiliation) :
+    affiliation_lower = affiliation.lower()
+    adress = affiliation_lower.replace(",", "")
+    words = adress.split(" ")
+    private = ["sas", "sarl", "sa", "private", "edf", "orange"]
+    public = ["univ", "hop", "uar", "umr","cea", "cnrs"]
+    for word in words :
+        if word in private :
+            return "private"
+        elif word in public :
+            return "public"
+    return adress
+
+# Normaliser les abréviations
+def expandAbbreviations(affiliation,dict):
+    affiliation = affiliation.lower()
+    arr = affiliation.split(" ")
+    res = []
+    for word in arr :
+        short_word = word.replace(",","").replace(".","")
+        if short_word in dict:
+            suffix = ""
+            if "," in word:
+                suffix = ","
+            res.append(dict[short_word] + suffix)
+        else:
+            res.append(word)
+    return " ".join(res)
+
+
+# découpage des adresses en plusieurs parties
+def name_enterprise(affiliation) :
+    affiliation = affiliation.lower()
+    affiliations = affiliation.split(',')
+    return affiliations[0]
+
+
+# Repérer le département dans l'affiliation 
+def num_dept(affiliation) :
+    res = re.findall('f-(\d{2})\d{3}',affiliation)
+    if len(res)==0 :
+        return None
+    return res[0]
+
+# requêtage de l'API pour les données filtrées
+@on_exception(expo, RateLimitException, max_time=1)
+@limits(calls=7, period=1)
+def request(name, dept) :
+    url = "https://recherche-entreprises.api.gouv.fr/search?q=" + urllib.parse.quote(name)
+    if dept:
+        url += "&departement=" + dept
+    response = requests.get(url,headers={'Accept':'application/json'})
+    return response.json()
+
+# gérer les réponses de l'API
+def is_private_public(information):
+    if len(information)==0 or 'results' not in information or not information['results']:
+        return "Informations manquantes"
+
+    # Parcourir chaque objet "results" extraire la valeur de "est_service_public"
+    est_service_public_list = []
+    for result in information['results']:
+        complements = result.get('complements')
+        est_service_public = complements.get('est_service_public', None)
+        if est_service_public is not None:
+            est_service_public_list.append(est_service_public)
+            if True in est_service_public_list :
+                return "public"
+            return "private"
+
+    # return est_service_public_list
+
+def publicOrPrivate(affiliation,my_dict):
+    privatePublicOrAffiliation = filter(affiliation)
+    if privatePublicOrAffiliation in ["private", "public"]:
+        adress = affiliation.lower().split(",")
+        enterprise = adress[0]
+        return "organisme: "+enterprise+", statut: "+privatePublicOrAffiliation
+    
+    expanded_affiliation = expandAbbreviations(affiliation,my_dict)
+
+    name = name_enterprise(expanded_affiliation)
+    dept = num_dept(expanded_affiliation)
+
+    information = request(name, dept)
+    nature = is_private_public(information)
+
+    return "organisme: "+name+", statut: "+nature
+    
+
+def main():
+    with open('abreviations.pickle', 'rb') as handle:
+        my_dict = pickle.load(handle)
+    for line in sys.stdin:  
+        data = json.loads(line)
+        texte = data["value"]
+
+        data["value"] = publicOrPrivate(texte,my_dict)
+
+        sys.stdout.write(json.dumps(data))
+        sys.stdout.write("\n")
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/affiliations-tools/v1/corporate/requirements.txt b/affiliations-tools/v1/corporate/requirements.txt
new file mode 100644
index 0000000..7061df9
--- /dev/null
+++ b/affiliations-tools/v1/corporate/requirements.txt
@@ -0,0 +1,2 @@
+ratelimit
+backoff
\ No newline at end of file