
Alliance of medium-sized family businesses in the building services wholesale trade for plumbing, heating, air conditioning, electrical and industrial technology
GC-GRUPPE (CORDES & GRAEFE KG)
Bremen · Stuhr · Selm · Markt Schwaben · Duisburg · DüsseldorfNew on Amplifa
The GC-GRUPPE
The GC-GRUPPE is an alliance of regionally rooted, medium-sized family businesses in the specialized wholesale trade for building services. It emerged in 1975 in Bremen from CORDES & GRAEFE, WILHELM GIENGER and GOTTSCHALL & SOHN; its roots go back to the founding of the pipe wholesale business CORDES & GRAEFE in 1921. With more than 300 distribution locations in Germany, over 100 personally managed partner houses, around 920 ABEX pickup express warehouses and 270 ELEMENTS specialist exhibitions, the group supplies the skilled trades in the areas of plumbing, heating, air conditioning/ventilation, installation, electrical, roofing, civil engineering, industrial technology and photovoltaics. The product range comprises over 5 million items from more than 2,650 suppliers, complemented by the private labels TRINNITY and SISTEMS. Through the online shop GC ONLINE PLUS, the logistics services GC24-EXPRESS and BoxLoad as well as installation services, the GC-GRUPPE supports the skilled trades with around 20,000 employees in Germany; internationally it is represented with partners in 15 countries.
- Site
- Bremen
- Processes
- Online shop GC ONLINE PLUS (over 5 million items), Logistics: ABEX pickup express warehouses (920 locations), ABEX 24/7, ABEX Fast Lane, GC24-EXPRESS (100,000 items within 24h), BoxLoad / BoxLoad Mini (construction site containers), CityLog (delivery by cargo bike in 8 major cities), Installation services: ServiceQuadrat24 (shower enclosures/bathroom installations), Schrottbienen (old system disposal, construction site logistics), PV installation service (complete, partial installation AC/DC)
- Materials
- Private label TRINNITY, Private label SISTEMS
- Certificates
- Logistics services (ABEX, GC24-EXPRESS, BoxLoad)
- Industries
- Plumbing/Heating/Air Conditioning (SHK), Building services wholesale, Electrical, Roofing, Civil engineering, Industrial technology
- 01
Procurement from more than 2,650 manufacturers
- 02
Warehousing in central warehouses and partner houses
- 03
Distribution via ABEX pickup express warehouses and GC24-EXPRESS
- 04
Digital sales via GC ONLINE PLUS
- 05
Consulting, installation services and digital services for the skilled trades
Product Range & Private Labels
Private label TRINNITY
Own private label with building services products from renowned manufacturers for all product ranges.
Private label SISTEMS
System solutions for energy savings in the heating sector.
Locations & Distribution Network
Bremen
DEAdministration GC Großhandels Contor GmbH

Stuhr
DEHolding/Administration CORDES & GRAEFE KG, wholesale Cordes & Graefe Bremen KG

Selm
DECentral warehouse/logistics center GC24-EXPRESS KG
Markt Schwaben
DECentral warehouse Bavaria (Gienger Logistik KG)
Duisburg
DEMain house Collin KG Duisburg
Düsseldorf
DEAdministration site GFE GmbH (digital service provider)
Inside the production





Industries
Additional services
Reference customers
Logistics & Availability
Goods availability for the skilled trades is based on a nationwide logistics network with daily access to over 70,000 warehouse items as well as 100,000 items within 24 hours via GC24-EXPRESS.
| Evidence | Selm |
|---|---|
| Logistics services (ABEX, GC24-EXPRESS, BoxLoad) |
History
- 1921
Founding of the pipe wholesale business CORDES & GRAEFE by August Cordes and Alfred Graefe in Bremen
- 1933
Friedrich Carl Hollweg acquires shares; reorientation toward building services wholesale
- 1966
Distribution channel declaration: commitment to the 3-tier distribution channel
- 1974
Opening of the first ABEX pickup express warehouse in Aachen
- 1975
Founding of the GC-GRUPPE in Bremen (CORDES & GRAEFE, WILHELM GIENGER, GOTTSCHALL & SOHN)
- 1994
Founding of the HTI-GRUPPE (civil engineering/industrial technology)
- 1996
Launch of GC ONLINE PLUS, the first online shop in the industry
- 2002
Founding of the EFG-GRUPPE (electrical)
- 2013
Start of DTG roofing wholesale; Spanish partners Thisa/Biosca.
- 2015
Comafranc Group (France) becomes a partner
- 2016
Partnership with Odörfer (Austria)
- 2017
Pressiani (Italy) becomes a partner
- 2019
SVAI (Italy) becomes a partner
- 2020
ITG industrial technology wholesale; launch of CityLog
- 2021
FACQ (Belgium) becomes a partner
- 2022
Rossi & Lersa and Termomarket (Italy) become partners
- 2024
Logistics center Selm goes into operation; the partners Idroterm and Commerciale Veneta Beltrame are added.