Restag has commercial agreements with the following OEM (Original Equipment Manufacturer) for sale of their products to energy, oil & gas, chemical, petrochemical and other process industries :
| ABB |
| Advel |
| AEG |
| Agilent |
| Alcad |
| Aleta |
| Alicat |
| Ametek |
| AMG Pesch |
| Anderson Negele |
| API |
| Asco |
| Ascom |
| Ashcroft |
| ATB |
| Atlas Copco |
| Aturia group |
| Aviteq |
| Axflow |
| Baco |
| Balluff |
| Bamford |
| Barberi |
| Bartec |
| Baumer |
| Bekomat |
| Bell |
| Benzlers |
| Bernard Control |
| Beta Instruments |
| Blackbox |
| Boldarino |
| Boldrocchi |
| Boll & Kirch |
| Bonfiglioli |
| Bosch Rexroth |
| Bourdon |
| Bowdens |
| Bray |
| Brooks Instrument BV |
| Brosa |
| Bruel & Kjaer |
| Burocco |
| Camozzi |
| Carraro |
| Carrier |
| Castel |
| Cavotec |
| CEAG |
| Cemb |
| CEMP |
| Chromalox |
| Circor |
| Cisco |
| Coiltech |
| Compair |
| Contrel |
| Copeland |
| Cortem |
| Crouzet |
| Cynergy3 |
| Dana (Brevini) |
| Danfoss |
| Delta Controls |
| Delta Mobrey |
| Deltrol |
| Det-Tronics |
| Dimat |
| Donaldson |
| Dow |
| Dr.E.Horn |
| Draeger |
| Drive System |
| Durag |
| Dynapac |
| Eaton |
| Ebara |
| Ebro |
| Edenburg |
| Elb |
| Elcis |
| Elfin |
| Emerson |
| EMF |
| Endress+Hauser |
| Enerdis |
| Enraf |
| Entrelec |
| Etatron |
| Etel |
| ETI |
| Eurotherm |
| Faggiolati Pumps |
| Fairchild |
| Fandis |
| Fantini Cosmi |
| Faure Herman |
| Finder |
| Fireye |
| Fisher Scientific |
| Flender |
| Flintec |
| Flowserve |
| Fluid Control |
| Fluiten |
| Foxboro |
| Frenzelit |
| FTM |
| Fuji |
| Fuji |
| Gardner Denver |
| GE |
| Gemu |
| General Monitors |
| Gentec |
| Gessmann |
| Gestra |
| Gigasense |
| Globtop |
| GMI |
| Go Regulator |
| Groenveld Beka |
| Grundfos |
| Hach |
| Hamamatsu |
| Hengstler |
| Heraeus - Electro-Nite |
| Herth |
| Hima |
| Hirschmann |
| Hitachi Energy |
| Hochiki |
| Honeywell |
| Hudson |
| Hydac |
| IDS |
| INA |
| Inducoder |
| Infineon |
| Ingersoll Rand |
| Interapp |
| ISRA Vision |
| Italvibras |
| Johnson |
| Julabo |
| Jumo |
| Kidde Fire Protection |
| Kobold |
| Kracht |
| Kraus & Naimer |
| Krohne |
| Lapp |
| Leuze |
| Lincoln |
| Loop Telecom |
| Lovato |
| Lowara |
| Lowflow |
| Magnetrol |
| Mahr |
| Marelli |
| Masoneilan |
| Meanwell |
| Meggit |
| Meister |
| Methrom |
| Metrix |
| Mettler Toledo |
| Miller |
| Milton Roy |
| Mintor |
| Misia |
| MMC |
| MR |
| MSA |
| MTA |
| MTS |
| MWM |
| Nardi Compressori |
| NKT |
| Norgren |
| Notifier |
| Nuovo Pignone |
| nVent |
| Officine Orobiche |
| Oleo |
| Oria Brighil |
| Parker |
| Pedrollo |
| Pentair |
| Phoenix Contact |
| Pilz |
| Pneumatrol |
| Prominent |
| Protec |
| R.Sthal |
| Ravaglioli |
| Redecam |
| Regler |
| Rema Tip Top |
| Restek |
| Rexroth |
| RGS |
| Rickmeier |
| Riello |
| Robertshaw |
| Roehm |
| Rosenbauer |
| Rossi |
| Rotarex Firetec |
| Rotex |
| Rotork |
| Saft |
| Sartorius |
| Satir |
| Saunders |
| Scame |
| Schneider Electric |
| SDCEM |
| Sefco |
| Selta |
| Sew Eurodrive |
| SHC |
| Siba |
| Sibre |
| Sidex |
| Siemens |
| Sircal |
| SKC |
| Skinner Power System |
| SMC |
| SMC |
| Specac |
| Spectro |
| Spectron |
| StatusFlow |
| STE |
| Steute |
| Sthal |
| Strate |
| Streamline |
| Stromag |
| Swagelock |
| TDK-Lambda |
| Technip FMC |
| The Ruggles-Klingemann |
| Thorn |
| Tramec |
| Trane |
| Trascend |
| Turck Banner |
| Tyco |
| United Electric |
| Uraca |
| Valbia |
| Valpres |
| Valtek |
| Vashi |
| Vector |
| Vega |
| Venanzetti |
| Versa |
| Victualic |
| Voith Turbo |
| Volta |
| Volvo |
| Wa Motor |
| Wasson Ece |
| Watson Marlow |
| Watt Drive |
| Weidmuller |
| Welland & Tuxhorn |
| Wika |
| Wilo |
| Woerner |
| Woodward |
| WSW Walzlager |
| WTW |
| Xomox |
| Xylem Water Solutions |
| Yamada |
| Yamatake |
| Yokogawa |
| Ziehl-Abegg |
