ROCH STONE
In 2025, ROCH STONE signed €1.8M of contracts with the City of Paris (maximum amounts), mostly in public facility maintenance works.
Source: the City's contract list (opendata.paris.fr) and the DECP (data.gouv.fr), data as of 29 September 2026.
Rochstone
registered office in Champigny-sur-Marne (94500) · headcount 10 to 19 employees · founded in 2001 · SIREN 439803701 · view on annuaire-entreprises.data.gouv.fr ↗
€1.8M
in contracts signed with the City in 2025, at their maximum amounts
The contracts signed
Largest first.
Travaux Mairie 10E Rénovation RDC lot 1 tous corps d'étatsigned on 11 Feb 2025€625kPainting works in public facilities of the City of Parissigned on 18 Dec 2025€476kRenovation of the ground-floor premises of a group nursery, 15 rue de la Tour d'Auvergnesigned on 24 Sept 2024€396kTRX de Rénovation des Sanitaires École Éléméntaire 75020signed on 23 May 2023€303kModernisation de Certains Espaces C.C 75018signed on 28 Jun 2018€240kTravaux Modernisation Réfectoire CLG Grange aux Bellessigned on 7 Jun 2023€233kTravaux Réfect Étanchéit Trrasse/reprise Garde-corps/maçon Segpasigned on 11 Jun 2019€228kRenovation of the nursery school premises, 28 rue Hôpital Saint-Louis, lot 1signed on 26 May 2025€222k38 more contracts
Travaux Restructuration Partielle EM 7 RUE Moscou Paris 8Esigned on 18 Apr 2023€209kModernisation Biberonnerie CC Hippolyte 75014 Parissigned on 27 Apr 2023€199kRenovation of the toilets and creation of a laundry room, rue de Tanger elementary schoolsigned on 27 Jun 2024€192kFacade renovation works with installation of external thermal insulation, nursery schoolsigned on 23 Sept 2024€187kReconstitution MUR Mitoyen E.E 75018signed on 11 Jun 2015€173kDémolition et Reconstruction MUR Cloture E.M 75018signed on 6 Jun 2014€154kRestructuration Cuisine Crèche 75018signed on 26 Apr 2013€147kMise aux Normes Plans de Change CC Choderlos de Laclos 13Esigned on 4 Jul 2025€143kMùodernisation Sanitaires GS ST Lambert-théodore Deck 15Esigned on 21 Jun 2023€137kRéamenagemt du 3È Étage & Réfect° du 4È Etage CC 48 Lacepèdesigned on 19 May 2023€135kAménagement et Accessibilité Centre Santé 75018signed on 24 May 2016€133kModernisation Sanitaires École E 1 Foyatier 75018signed on 28 May 2020€127kRénovation Cage Escaliere et Préau EE Arbre SECsigned on 25 May 2023€126kModernisation Terrasse R+2 E.P 75018signed on 28 May 2018€123kTravaux Restructuration Section BB CC 241/243 Lafayette 10Esigned on 5 Jun 2023€122kModernisation des Sanitaires EE 7 RUE Doudeauville 75018signed on 2 Jun 2017€109kTravaux Loge Gardien EE 8 RUE Dorleac 75018 Parissigned on 7 Nov 2022€106kTravaux Toiture Terrasse École Maternelle 75018 Parissigned on 2 Jun 2021€101kRestructuration Cuisine et Sanitaires Crèche Islettes 18Esigned on 7 May 2014€100kRenovation of the covered playground of the elementary school, 34 rue du Faubourg-Saint-Denis, P…signed on 6 May 2025€86kTravaux Sanitaires de la Cours École Elementaire 75018 Parissigned on 20 May 2021€85kTravaux Rénovation Entrée Espace Accueil Parents CC 208 FGsigned on 27 Mar 2025€83kModernisat° Postes de Changes CC 5 AV. Adrien Hebrard 75016signed on 29 Apr 2022€80kTravaux Modernisation Étancheité Terrasse École Maternellesigned on 3 May 2019€79kWorks to redo the waterproofing of the nursery school roof, 94 rue Joseph de Maistresigned on 24 Jun 2024€73kModernisation Office et Refectoire GS Lamoriciere 12esigned on 9 Jun 2023€71kModernisation des Espaces de Changesigned on 3 May 2021€69kTravaux Aménagement Locaux École Maternelle Belleville 75019signed on 14 Jun 2023€61kModernisation des Sanitaires E.E 75018signed on 2 Jun 2017€57kSimilar works contract, all trades, renovation of premises CC T. Auvergnesigned on 22 Jan 2025€50kTravaux Modernisation Eclairages Faux Plafonds Preau EE Vvngsigned on 24 Jun 2019€50kCreation of a changing station and a WC on the first floor (R+1) of the Delbet collective crèchesigned on 18 Jul 2024€41kCréation Cabines Supplémentaires et Cabine PMR E.E 75018signed on 11 Jun 2015€40kWorks to create offices for logistics staffsigned on 5 Feb 2025€35kTravaux tous corps d'état Rénovation Locaux RDC de la CC 15 Tour…signed on 16 Oct 2025€34kTravaux Retrait Revêtement Mural /mise Peinture Crèche Collectivsigned on 3 May 2019€30kTravaux Rénovation Salle Loge Gardienne BUR Rev-sanit/réfec EEsigned on 18 Oct 2019€29kRenovation and soundproofing works on the canteen of the nursery school, 94 rue Joseph de Maistr…signed on 27 Jun 2024€20kYear by year
€€147k in 2013 · €€1.8M in 2025
Click a year to see its amount.
What for
Each category opens the page of every supplier in that category.
Maximum contract amounts: what the City paid the company, contract by contract, is not published. A shared lot shows the whole lot’s amount. Source: City of Paris, DECP.