PlymoVent Ltd  (Banbury)
	Process and Control Today Ltd (PandCT)  (Tunbridge Wells)
	P & M Pumps  (Sawtry)
	P I Systems  (Sherborne)
	P&J Dust Extraction Ltd  (Queenborough)
	P&M Vacuum Services Ltd  (Heywood)
	Pacepacker Services Ltd  (Great Bardfield)
	Packaging Automation Ltd   (Knutsford)
	Packo Pumps  (Ellesmere)
	Pall Process Filtration Ltd  (Portsmouth)
	Panks Engineers limited  (Norwich)
	Paragon Software Systems plc  (Dorking)
	Paris Hose Ltd  (Crowthorne)
	Parker domnick hunter  (Gateshead)
	Parker Filtration  (Dewsbury)
	Parker Hannifin Ltd  (Hemel Hempstead)
	Parker Hannifin Ltd (formerly KV Ltd)  (Milton Keynes)
	Parsons Reiss  (Radcliffe)
	Partec UK Ltd  (Canterbury)
	Partex Marking Systems  (Birmingham)
	Parton Fibreglass Ltd   (Tamworth)
	PAS  (Houston, USA)
	Pavilion Technologies  (Austin, USA)
	PBM Inc  (Irwin)
	PCM Pumps Ltd  (Corby)
	PCS Industries Limited  (Wickford)
	PDC Engineering  (Des Plaines, USA)
	PDR  (Crawley)
	Pedrollo Distribution Ltd  (Tamworth, England)
	Pegler Hattersley  (Ormskirk)
	Pensteel Ltd  (Brentwood)
	Pentair Valves & Controls (Hindle Valves)  (Market Harborough)
	Pentair Valves & Controls (Tyco Valves & Controls)  (Market Harborough)
	Perma Pure LLC  (Toms River, USA)
	Permali R P Ltd
	Permastore Ltd
	Permex Ltd  (Hoddesdon)
	Permex Systems Ltd  (Great Dunmow)
	Perpetuum Ltd  (Southampton)
	Perry Process Equipment Ltd  (Newton Aycliffe)
	Peter Smith Valve Co. Ltd  (Bulwell)
	Pfaudler Balfour  (Leven, Scotland)
	Pfeiffer Vacuum ltd  (Newport Pagnell)
	Pharmatech Ltd  (Coleshill)
	Philchem Ltd  (Haverhill)
	Phoenix Contact Ltd  (Telford)
	Phoenix Mecano Ltd  (Aylesbury)
	PI (PROFIBUS & PROFINET International)  (Karlsruhe, Germany)
	PIAB Ltd  (Loughborough)
	PIPE Ltd  (Bicester)