# Bleu Rouge - TDS Thermique Distribution Services

> Bleu Rouge – Thermique Distribution Services (TDS) is a French professional wholesaler of heating, plumbing, sanitary and technical building equipment, formerly SEC Lindsay, serving installers across Normandy.

Company page on Leadbay: https://mad-max.leadbay.ai/company/seclindsay.fr · loaded 2026-11-02

## At a glance

- Website: https://seclindsay.fr
- Team based in: Sotteville-Lès-Rouen (seclindsay.fr and 1 more)
- Founded: 1961 (seclindsay.fr and 1 more)
- Industry: Facilities Services
- Employees: 30 (employees and founders, investors not counted; seclindsay.fr and 1 more)
- Seen in its site's code: Google Analytics (googletagmanager.com/gtag/js), WordPress (/wp-content/) (read 2026-11-02)
- Email: contact@seclindsay.pro

## What it sells, to whom

- Bleu Rouge – Thermique Distribution Services (TDS) is a French professional wholesaler of heating, plumbing, sanitary and technical building equipment, formerly SEC Lindsay, serving installers across Normandy. ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_tds-thermique-distribution-services-activity-7447955012216844288-lJcV), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba))

## Products and services

- Heating equipment and systems ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- Boilers ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- Heat pumps ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- Radiators ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- Controls/regulation ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- Plumbing and sanitary equipment ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- Technical building equipment ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- Installation support, technical advice, project follow-up and logistics/delivery ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))

## Customers and markets

- **Customers**: Professional heating installers, plumbers, artisans and CVC/HVAC contractors in Eure, Calvados and Seine-Maritime. ([fr.linkedin.com](https://fr.linkedin.com/company/tds-thermique-distribution-services), [fr.indeed.com](https://fr.indeed.com/viewjob?jk=308032314eb29dba), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- **Markets**: B2B professional building customers, especially heating engineers, plumbers, sanitary/HVAC contractors and other chantier professionals. ([fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_partenaires-de-votre-productivit%C3%A9-pour-vos-activity-7432380676034686976-D2-X), [seclindsay.fr](https://seclindsay.fr/), [bleurouge.fr](https://www.bleurouge.fr/))
- **Markets**: Geography: primarily Normandy—Seine-Maritime and Eure, with stated wider coverage including Calvados; the water-treatment site says Normandy and planned expansion toward Hauts-de-France. ([fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_partenaires-de-votre-productivit%C3%A9-pour-vos-activity-7432380676034686976-D2-X), [seclindsay.fr](https://seclindsay.fr/), [bleurouge.fr](https://www.bleurouge.fr/))

## Where to find more

- [This page in Markdown, for agents](https://mad-max.leadbay.ai/company/seclindsay.fr.md)

Where it comes from: 9 sites read (seclindsay.fr, fr.linkedin.com, fr.indeed.com, pappers.fr, entreprises.lefigaro.fr, annuaire-entreprises.data.gouv.fr, linkedin.com, bleurouge.fr, …).

## Best angle

2026-11-02 · Headcount: Headcount up 11% in a year (1 source)

## Signals: what happened

- 2026-11-02 · Headcount: Headcount up 11% in a year (1 source: [A company database](https://seclindsay.fr/))
- 2026-07-22 · News: Planchers chauffants: tout est disponible chez TDS Bleu Rouge, et ce tout l'été! (1 source: [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_planchers-chauffants-activity-7485669465364537344-ebgQ))
- 2026-05-07 · News: Pro comme proches 🚀 C’est la manière dont nous travaillons chaque jour avec nos clients et partenaires. (1 source: [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_chauffage-plomberie-artisanat-activity-7458097058613325824-ioDk))
- 2026-04-30 · Events: Les 22 et 23 avril derniers se tenait le salon biennal d’ALGOREL, et l'équipe TDS était au rendez-vous! (1 source: [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_algorel-bleurouge-chauffage-activity-7455562421877895168-lNgD))
- 2026-04-16 · News: NOUVEAU PRODUIT EN STOCK 📦 (2 sources: [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-chauffage-plomberie-activity-7450483182161915904-yB9U), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_dolceclima-air-pro-14-activity-7465343676270063616-Pzsl))
- 2026-04-07 · News: Portrait d'équipe 📸 On vous présente Jean-Pascal, notre technico-commercial CVC depuis 13 ans chez Bleu Rouge (1 source: [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl))
- 2026-04-01 · Product: SEC Lindsay announced its reorganization and name change to TDS – Thermique Distribution Services, stating that its teams, activity, Bleu Rouge network membership and customer commitments remained unchanged (3 sources: [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_tds-thermique-distribution-services-activity-7447955012216844288-lJcV), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl), [pappers.fr](https://www.pappers.fr/entreprise/tds-thermique-distribution-services-101264299))
- 2026-03-24 · News: Important - fermeture exceptionnelle pour inventaire ⚠️ (2 sources: [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_important-fermeture-exceptionnelle-pour-activity-7442179292144259072-eSpM), [fr.linkedin.com](https://fr.linkedin.com/posts/tds-thermique-distribution-services_tds-thermique-distribution-services-activity-7447955012216844288-lJcV))

## Working on now

- Administrative reorganisation: SEC Lindsay is now TDS – Thermique Distribution Services; the company says its teams, activity, commitments and Bleu Rouge membership remain unchanged.
- Serving professional heating, plumbing, sanitary, electrical and tooling customers, with a stated emphasis on technical advice, proximity and chantier support.
- Expanding regional coverage in Normandy: delivery and store pickup across Seine-Maritime and Eure, with stores in Le Havre and Sotteville-lès-Rouen; the wider company profile also describes service coverage in Calvados.
- Maintaining and developing water-treatment activity for residential and professional customers, including softeners, refiners and osmosis systems, installation and lifecycle maintenance.
- Scaling operational capacity: a February 2026 post cited more than 8,000 stocked references, 35 employees and 10 salespeople.

From: [Changer de nom, sans changer de cap 🤝 | Bleu Rouge - TDS Thermique Distribution Services](https://fr.linkedin.com/posts/tds-thermique-distribution-services_tds-thermique-distribution-services-activity-7447955012216844288-lJcV), [Partenaires de votre productivité pour vos chantiers 👷](https://fr.linkedin.com/posts/tds-thermique-distribution-services_partenaires-de-votre-productivit%C3%A9-pour-vos-activity-7432380676034686976-D2-X), [SEC LINDSAY : votre expert traitement de l'eau en Normandie ...](https://seclindsay.fr/), [Un réseau de professionnels du sanitaire, chauffage et énergie renouvelables | Bleu Rouge](https://www.bleurouge.fr/)

## Summary

Bleu Rouge - TDS Thermique Distribution Services, formerly known as SEC Lindsay, is a French facilities services wholesaler based in Sotteville-lès-Rouen that specializes in heating, plumbing, sanitary equipment, and water treatment solutions. Operating as part of the national Bleu Rouge network, it supplies professional installers and artisans across the Eure, Calvados, and Seine-Maritime departments. The company provides technical support, logistics, and site delivery services. Information regarding its specific founders or external investors is not available in the provided sources. Recent news includes a 2026 administrative restructuring to optimize service and the introduction of a new loyalty program.

[1]: https://linkedin.com/company/tds-thermique-distribution-services "Bleu Rouge - TDS Thermique Distribution Services"
[2]: https://fr.linkedin.com/posts/tds-thermique-distribution-services_tds-thermique-distribution-services-activity-7447955012216844288-lJcV "Changer de nom, sans changer de cap 🤝 | Bleu Rouge - TDS Thermique Distribution Services"
[3]: https://www.bleurouge.fr/ "Un réseau de professionnels du sanitaire, chauffage et énergie renouvelables | Bleu Rouge"
[4]: https://fr.linkedin.com/posts/tds-thermique-distribution-services_sec-lindsay-60-ans-de-collaboration-avec-activity-7288178682026692608-Dub0 "SEC Lindsay X Ecowater: 60 ans de collaboration 💪 | Bleu Rouge - TDS Thermique Distribution Services"
[5]: https://www.bleurouge.fr/agence-tds-le-havre "Agence SEC LINDSAY - LE HAVRE : sanitaire, chauffage | Bleu Rouge"
[6]: https://fr.linkedin.com/posts/tds-thermique-distribution-services_portraitdequipe-cvc-chauffage-activity-7447221698816499712-NmDl "Portrait d'équipe 📸 On vous présente Jean-Pascal, notre technico-commercial CVC depuis 13 ans chez Bleu Rouge - SEC Lindsay nouvellement TDS! | Bleu Rouge - TDS Thermique Distribution Services"
[7]: https://www.tcmdiffu.fr/lien-grossiste+sanitaire+et+chauffage+normandie+sec+lindsay+bleu+rouge-51.html "grossiste sanitaire et chauffage NORMANDIE SEC LINDSAY bleu rouge - TCM DIFFU Cover-all - TCM DIFFU Cover-all"
[8]: https://fr.linkedin.com/posts/tds-thermique-distribution-services_mon-club-de-fid-activity-7430571900721942528-OcXn "Chez SEC Lindsay, nous récompensons nos partenaires ⭐️ | Bleu Rouge - TDS Thermique Distribution Services"

## Sources

- [Bleu Rouge - TDS Thermique Distribution Services's website](https://seclindsay.fr)
- [SEC LINDSAY : votre expert traitement de l'eau en Normandie ...](https://seclindsay.fr/)
- [Partenaires de votre productivité pour vos chantiers 👷](https://fr.linkedin.com/posts/tds-thermique-distribution-services_partenaires-de-votre-productivit%C3%A9-pour-vos-activity-7432380676034686976-D2-X)
- [Société TDS THERMIQUE DISTRIBUTION SERVICES : Chiffre d'affaires, statuts, extrait d'immatriculation](https://www.pappers.fr/entreprise/tds-thermique-distribution-services-101264299)
- [Thermique Distribution Services - TDS (76300) : siret, siren, TVA, adresse...](https://entreprises.lefigaro.fr/thermique-distribution-services-tds-76/entreprise-101264299)