- Ahlborn GmbH
- Ametek Process Instruments
- Ametek Land Inc.
- Andreas Hettich GmbH
- Apelex
- Atlas MTT GmbH
- Awareness Technology, Inc.
- Brabender GmbH & Co. KG
- BYK-Gardner GmbH
- Caleva International Ltd.
- Carbolite Ltd.
- Carl Roth GmbH
- Cerulean GmbH
- Draminski Electronics
- EMCO-TEST PRÜFMASCHINEN GMBH
- G.R.Scientific Ltd.
- Galvanic Applied Sciences Inc.
- GFG Europe Ltd.
- Grabner Instruments Messtechnik GmbH
- Grant Instruments (Cambridge) Ltd.
- Hirschmann Laborgeräte GmbH
- HunterLab Inc.
- IKA Werke GmbH & Co. KG
- Indentec Hardness Testing Machines Ltd.
- J. P. Selecta s.a.
- Johnson and Matthey PLC
- Kane International Ltd.
- Kern & Sohn GmbH
- KGW - Isotherm
- Krüss Optronic GmbH
- Laarmann Group B.V.
- Laborbau Systeme Hemling GmbH
- Linetronic Technologies SA
- Ludwig Schneider GmbH & Co. KG
- Madur Electronics Handelsges. m.b.H.
- Mahr GmbH
- Normalab France S.A.S.
- Oxford Instruments
- Partech Instruments Ltd.
- Plastifer srl
- Precisa AG
- Princeton Applied Research
- Purite-SUEZ
- Quest Technologies Inc.
- Raypa Espinar S.L.
- Schmidt+Haensch
- Siebtechnik GmbH
- S.D.M. Apparecchi scientifici Srl
- SDL Atlas Ltd.
- Sensidyne Inc.
- Sherwood Scientific Ltd.
- SI Analytics GmbH
- Skadi Europe B.V.
- Starna Scientific Ltd., UK
- Smeg S.p.a.
- SRI Instruments
- TekPro Limited
- Testa S.p.a.
- Tintometer GmbH
- Toni Technik GmbH
- Velp Scientifica srl
- Werth Messtechnik GmbH
- WTW GmbH
- Zwick GmbH & Co. KG
