Astudiaethau Enghreifftiol:
I wybod ym mha gategori yn y restr fer mae’r cwmnïau hyn yn perthyn I, ewch I’r Restr Fer 2006
| 101 Battalion REME, Wrecsam |
IEA Ltd, Pen-y-bont ar Ogwr |
| 3M - Gorseinon |
Kronospan Limited, Wrecsam |
| Antur Waunfawr, Caernarfon |
L’Oréal Manufacturing (UK) Limited, Llantrisant |
| Axonics Limited, Abertawe |
Lewis Pies, Abertawe |
| Bespoke Kitchen Systems Ltd, Abertawe |
Ymddiriedolaeth GIG Gogledd Orllewin Cymru |
| Biozyme Laboratories Limited, Torfaen |
Penn Pharmaceutical Services Ltd, Tredegar |
| Cyngor Bwrdeistref Sirol Pen-y-bont ar Ogwr |
Ystâd Penpont, Aberhonddu |
| Ymddiriedolaeth GIG Bro Morgannwg |
Plas Menai, Y Ganolfan Chwareaon Dwr Genedlaethol, Caernarfon |
| Cadbury Trebor Bassett, Wrecsam |
Dwr Ffynnon Prince’s Gate, Arberth |
| Canolfan Conway Centre, Ynys Mon |
Parc Carafannau River View, Llanedi |
| Ymddiriedolaeth GIG Caerdydd a’r Fro |
Sigma Exhibition Services Limited, Wdig |
| Cyngor Sir Gâr |
Siltbuster Limited, Trefynwy |
| Dinas A Sir Abertawe |
Sims Group UK Limited, Casnewydd |
| Coed Derwen Joinery Limited, Abergavenny |
Sinclair Knight Merz (Europe) Ltd, Y Drenewydd |
| Cyngor Cefn Gwald Cymru, Bangor |
Stradform Limited, Abertawe |
| CW Facilities Management, y Barri |
Teddington Engineered Solutions Ltd, Llanelli |
| Coleg Glannau Dyfrdwy, Cei Connah |
Tesco Abertawe |
| Dulas Ltd, Machynlleth |
Comisiwn Coedwigaeth, Bwlch Nant yr Arian |
| DYFI Discoveries, Aberdyfi |
Theatr Mwldan, Aberteifi |
| Ecological Land Management Ltd, Wrecsam |
Tubex, Aberdâr |
| EnviroForest Ltd, Caerwent |
Cyngor Bro Morgannwg |
| EnviroGene Limited, Hengoed |
Pysgodfa Pysgod Bras Watermeadow, Kilgetty |
| Euro Quality Coatings Limited, Caerdydd |
WD Turner, Caerdydd |
| Expertees Ltd, Abertawe |
Yuasa Battery (UK) Ltd, Glyn Ebwy |
