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| Nacan | O | ||||
| NACE (**) | O | ||||
| NAF | O | ||||
| Nagaoka | O | ||||
| Nagase America Corporation | O | ||||
| Nagle Pumps Inc. | O | ||||
| Nagman Group | O | ||||
| NAIMA (**) | O | ||||
| Nalbach Engineering | O | ||||
| Nalco/Exxon Energy Chemicals | O | O | |||
| Nalge Nunc International | O | ||||
| Nametre | O | ||||
| Nammu.com | O | ||||
| NAMS | O | ||||
| NAMUR | O | ||||
| Nanmac Corp. (**) | O | ||||
| Nanocor | O | ||||
| Nano-Master | O | ||||
| NanoVapor® Systems | O | ||||
| NanoXchange.com | O | ||||
| Nantong ChangChem | O | ||||
| Napier International Technologies Inc. | O | ||||
| NAPKO | O | ||||
| Nara Machinery Co. | O | ||||
| NARoil.com | O | ||||
| nash_elmo Industries | O | ||||
| NATCO Canada | O | ||||
| NATCO Group | O | O | O | O | O |
| NATCOM | O | ||||
| NATECO2 GmbH | O | ||||
| NATEX Prozesstechnologie GesmbH | O | ||||
| National Air Vibrator Company | O | ||||
| National Assoc. of Chemical Distributors | O | ||||
| National Board of Boiler and Pressure Vessel Inspectors | O | ||||
| National Bulk Equipment | O | ||||
| National Center for Manuf. Sciences | O | ||||
| National Centre for Upgrading Tech. (**) | O | ||||
| National Chemical Company | O | ||||
| National Cooperative Refinery Assoc.- NCRA | O | ||||
| National Drying Machinery Co. (**) | O | ||||
| National Ethanol Vehicle Coalition (NEVC) | O | ||||
| National Filter Media Corporation | O | ||||
| National Filtration Systems, Inc. | O | ||||
| National Fire Protection Association | O | ||||
| National Heat Exchange | O | ||||
| National Hydrogen Association. | O | ||||
| National Instrument Co. Inc. | O | ||||
| National Instruments Corporation | O | ||||
| National Insulation Association | O | ||||
| National Iranian Oil Company | O | ||||
| National Lubricating Grease Institute | O | ||||
| National Magnetic Sensors | O | ||||
| National Oil Recyclers Assoc. (NORA) | O | ||||
| National Packaging Services | O | ||||
| National Petrochemical & Refiners Ass. | O | ||||
| National Petroleum Agency - Brazil (ANP) | O | ||||
| National Petroleum Council (NPC), | O | ||||
| National Propane Gas Assoc. (NPGA) | O | ||||
| National Refinery Limited | O | ||||
| National Reliability Systems | O | ||||
| National Renewable Energy Laboratory | O | ||||
| National Response Center | O | ||||
| National Scale Technology | O | ||||
| National Solar Power Research Institute | O | ||||
| National Starch & Chemical Company | O | O | |||
| National-Spencer, Inc. | O | ||||
| Nationwide Boiler | O | ||||
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| Naylor Pipe Company | O | ||||
| Ncode | O | ||||
| N-Con Systems | O | ||||
| NDC Infrared Engineering | O | ||||
| NDS | O | ||||
| NDT Systems & Services AG | O | ||||
| NEAC Compressor Service | O | ||||
| Nebraska Boiler Company | O | ||||
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| Nederman, Inc. | O | ||||
| NedStack BV | O | ||||
| NEFCO, Inc. | O | ||||
| Neil Technologies. | O | ||||
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| Nelson & Roseme, Inc. | O | ||||
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| Nelson Liquid Drive Corporation | O | ||||
| Nelson Machinery & Equipment | O | ||||
| Nelson, Waldemar S. & Company | O | ||||
| NEMA AirFin GmbH | O | ||||
| Neolytica, Inc | O | ||||
| Neptune Chemical Pump Co. | O | ||||
| Neptune Mixer Co. | O | ||||
| Neptune Research, Inc. | O | ||||
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| Netherlands Refining Co. (NEREFCO) | O | ||||
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| Neuman & Esser Maschinenfabrik | O | ||||
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| Niro Inc (**) | O | O | O | ||
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| Nova Magnetics Burgmann (NMB) | O | ||||
| Nova Weigh Ltd. | O | ||||
| NovaChem BV | O | ||||
| NovaFlex Group | O | ||||
| Novega Produktionssysteme GmbH | O | ||||
| Noveon, Inc. | O | ||||
| Novosibirsk Rare Metal Plant | O | ||||
| Novozymes | O | ||||
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| Oakite Products | O | O | |||
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| Odebrecht | O | O | |||
| Oden Corporation | O | ||||
| O'Donnell Consulting Engineers, Inc. | O | ||||
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| ODS B.V. | O | ||||
| ODVA | O | ||||
| Oemeta Chemische Werke Gmbh | O | ||||
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| Oetiker | O | ||||
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| Ogontz Corp. | O | O | |||
| OGP Technical Services Sdn Bhd | O | ||||
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| OHL Gutermuth | O | ||||
| Ohman Descaling Services, Inc. | O | ||||
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| Oil & Gas Advisory Services in Brazil | O | ||||
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| Oil Skimmers, Inc. | O | ||||
| Oildom Publishing | O | ||||
| Oilgear Company | O | O | |||
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| OJU Corporation | O | ||||
| Okawara Manufacturing Co. | O | ||||
| O'Keefe Controls Co. | O | ||||
| Olajterv Contracting and Engineering | O | ||||
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| OM Group | O | ||||
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| Omega Simulation Co. | O | O | |||
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| OMEL | O | ||||
| Omex Environmental | O | ||||
| Omexell, Inc. (**) | O | ||||
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| Omni Containments Systems | O | ||||
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| Omni International | O | ||||
| OMNI North America | O | ||||
| OMNI Professional Environmental Associates | O | ||||
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| Omnimark Instrument Corporation | O | ||||
| OmniTech International, Ltd. | O | O | |||
| Omron | O | ||||
| OMS | O | ||||
| OMV Aktiengesellschaft (Austria) | O | ||||
| Omya | O | ||||
| ONDEO Degrémont | O | ||||
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| ONICON | O | ||||
| Onion Enterprises (OE) | O | ||||
| Onis Incorporated | O | ||||
| ONIX Systems Inc. | O | ||||
| Online Fuel Cell Information Center | O | ||||
| On-Line Instrument Systems, Inc. (OLIS) | O | ||||
| OnlineMetals.com | O | ||||
| Onpro AG | O | ||||
| Onset | O | ||||
| Onyx Valve Co. | O | ||||
| Open Text | O | ||||
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| Optech | O | ||||
| Optek - Danulat, Inc. | O | ||||
| OPTI | O | ||||
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| Optimization Resources, Inc. | O | ||||
| Optimized Process Designs (OPD) | O | ||||
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| OR Soft Jänicke GmbH | O | ||||
| Orange Research Incorporated | O | ||||
| Orbeco-Hellige | O | ||||
| Orbimatic | O | ||||
| Orbitran Systems, Inc. | O | ||||
| Oreco A/S | O | ||||
| Oregon Freeze Dry Inc. | O | ||||
| Oremet-Wah Chang | O | ||||
| Orenco Systems, Inc. | O | ||||
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| Orion Corporation (**) | O | ||||
| Orion Fittings Inc. | O | ||||
| Orion S.p.a. | O | ||||
| Orival Water Filters | O | ||||
| Ormecon GmbH | O | ||||
| O'Rourke Engineering Ltd. | O | ||||
| Orr Protection Systems, Inc | O | ||||
| ORTEC, Inc. | O | ||||
| Ortech Engineering | O | ||||
| Orthman Conveying Systems | O | ||||
| Ortloff Engineers, LTD (**) | O | ||||
| OSECO - Oklahoma Safety Equipment | O | ||||
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| OSHAinstitute.com | O | ||||
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| Osna | O | ||||
| Osprey Biotechnics | O | ||||
| Otek Corp. | O | ||||
| Otepi Consultores, S.A | O | ||||
| Otsuka Chemical | O | ||||
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| Outokumpu Stainless Tubular Products (**) | O | ||||
| Oven Manufacturers | O | ||||
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| Oxford University UK | O | ||||
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| Ozark Fluorine Specialties, Inc. | O | ||||
| Ozmotech Pty Ltd | O | ||||
| Ozolutions | O | ||||
| Ozomax | O | ||||
| Ozomax (**) | O | ||||
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| P & K Equipment, Inc. | O | ||||
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| P&P Innovative Software Inc. | O | ||||
| P. J. Whalen & Associates Ltd. | O | ||||
| PAC Petroleum Analyzer Company | O | ||||
| PACE, Inc. | O | ||||
| Pacer Industries, Inc. | O | ||||
| Pacer Pumps | O | ||||
| Pacific Biodiesel, Inc. | O | ||||
| Pacific Blowers | O | ||||
| Pacific Crest | O | ||||
| Pacific Scale Co. Inc | O | ||||
| Packaging Specialties Inc. (PSI) | O | ||||
| Packinox | O | ||||
| PACS (**) | O | ||||
| PACTware ™ | O | ||||
| Page International | O | ||||
| Paharpur | O | ||||
| Paint Research Association | O | ||||
| Palamatic Handling Systems Ltd | O | ||||
| PALAS® GmbH | O | ||||
| Palisade Corporation | O | ||||
| Pall Corporation (**) | O | ||||
| Pallmann Pulverizers Company | O | ||||
| Palm International | O | ||||
| Palmer - Wahl Instruments | O | ||||
| Pan America Environmental | O | ||||
| PANalytical | O | ||||
| Panametrics | O | ||||
| Pan-Continental | O | ||||
| PanGas | O | ||||
| Panner Company | O | ||||
| Pannevis | O | ||||
| Panther Probe Inc | O | ||||
| Papailias Inc. | O | ||||
| Papenmeier Maschinenbau | O | ||||
| Paper Systems, Inc. | O | ||||
| Papros Inc. | O | ||||
| PAQUES BV | O | ||||
| Parameter Estimation, Inc. | O | ||||
| Paratherm Corp. | O | ||||
| PARC Technical Services Inc | O | ||||
| Parchem Trading Ltd. | O | ||||
| Pardee Engineering | O | ||||
| Parijat Controlware | O | ||||
| Parker Balston | O | ||||
| Parker Fluid Control Division | O | ||||
| Parker Hannfin Corp. | O | ||||
| Parker Parflex Div. | O | ||||
| Parker Seal Group | O | ||||
| Parkson Corp | O | ||||
| Parr Instrument | O | O | |||
| PARS Manufacturing Company | O | ||||
| Parsons Brinckerhoff | O | ||||
| Parsum GmbH | O | ||||
| Particle Measuring Systems | O | ||||
| Particle Sizing Systems (PSS) | O | ||||
| Particle Technology Labs, Ltd. | O | ||||
| PAS, Inc. | O | ||||
| Pascall Engineering Limited | O | ||||
| Patels Airtemp | O | ||||
| Patent Construction Systems | O | O | |||
| Pathfinder LLC (**) | O | ||||
| Pathfinder, Inc. | O | ||||
| Pathway | O | ||||
| Pathways Thermal Technology, Inc. | O | ||||
| Patriot Forge Inc. | O | ||||
| Patterson Process | O | ||||
| Patterson Pump Company | O | ||||
| Patterson-Kelley | O | ||||
| Paul GmbH & Co | O | ||||
| Paul Hedfeld GmbH | O | ||||
| Paul Mueller Co. | O | O | |||
| Paul N. Gardner Company | O | ||||
| Pavilion Technologies | O | ||||
| Payne Engineering Company | O | ||||
| Paz Oil Co. Ltd. | O | ||||
| PBI Dansensor | O | ||||
| PBM, Inc. | O | ||||
| PBR Industries | O | ||||
| PCB Piezotronics | O | ||||
| PCC Flow Technologies, Inc. | O | ||||
| PCC Valves & Controls | O | ||||
| PCI Membrane Systems | O | ||||
| PCI Memtech | O | ||||
| PCI Pompes | O | ||||
| PCM Company | O | ||||
| PCM Delasco | O | ||||
| PCM Pompes | O | ||||
| PCS Nitrogen (**) | O | ||||
| PDC Machines, Inc. | O | ||||
| Peabody Engineering | O | ||||
| Peak Scientific Instruments | O | ||||
| Pearpoint, Ltd. | O | ||||
| Pebco | O | ||||
| PEC- Idemitsu | O | ||||
| Pedrick Tool & Machine Co. | O | ||||
| Pegasus International Inc. | O | ||||
| Pegasus Technologies | O | ||||
| Peinemann Equipment | O | ||||
| Pelletron Corporation | O | ||||
| Pelseal | O | ||||
| Pemex (Mexico) | O | ||||
| Penberthy | O | ||||
| Penn Process Technologies | O | ||||
| Penn Separator Corp. | O | ||||
| Pennsylvania Crusher Corp. | O | ||||
| Pennwalt India Limited | O | ||||
| Penny & Giles Instrumentation | O | ||||
| Pennzoil | O | ||||
| PENTA Engineering, P.A. | O | ||||
| Penta Manufacturing Company | O | ||||
| Pentachem S.r.l. | O | ||||
| Pentair Pump Group | O | ||||
| Pentair Water Treatment | O | ||||
| Pentek Industrial | O | ||||
| PeopleSoft | O | ||||
| Pepcon Systems | O | ||||
| Pepperl+Fuchs GmbH | O | ||||
| Peppers Cable Glands Limited | O | ||||
| Peregrine Falcon Corporation | O | ||||
| Perforated Tubes | O | ||||
| Performance Contracting Group | O | ||||
| Performance Plus | O | ||||
| PeriFlo Inc | O | ||||
| Perigon Engineering | O | ||||
| PerkinElmer | O | ||||
| Perma Pure Inc. | O | ||||
| Permabond Americas | O | ||||
| Perma-Cal Industries | O | ||||
| Perma-Flex Mold Co. | O | ||||
| Perma-Pipe | O | ||||
| Perpetuum | O | ||||
| Perry Equipment Corporation | O | ||||
| Perry Videx, LLC | O | O | |||
| Persta | O | ||||
| Perstorp Chemicals | O | O | |||
| Pertafenikki Engineering | O | ||||
| Pertamina (Indonesia) | O | ||||
| PESCO | O | ||||
| Peter Brotherhood Ltd. | O | ||||
| Peter Paul Electronics | O | ||||
| Petris Technology, Inc. | O | ||||
| Petro Chem Technologies (PCT) | O | ||||
| Petro Star | O | O | |||
| Petrobras | O | ||||
| Petrobrazi Company | O | ||||
| Petro-Canada | O | O | O | ||
| Petrochem Carless | O | ||||
| Petro-Chem Development Co. | O | ||||
| PetroChem Inspection Services | O | ||||
| Petrochem Insulation, Inc. | O | ||||
| Petrochemical Industries Co. (PIC) | O | ||||
| PetroData Ltd | O | ||||
| Petrofac LLC | O | ||||
| Petrogal (Portugal) | O | ||||
| Petrogas Process and Environmental | O | ||||
| PetrOil Engineering & Construction | O | ||||
| Petrolab | O | ||||
| Petroleo Brasileiro, S.A.- Petrobras | O | ||||
| Petróleos de Venezuela (PDVSA) | O | ||||
| Petroleos del Peru | O | ||||
| Petroleum & Refractory, Inc.. | O | ||||
| Petroleum Association of Japan | O | ||||
| Petroleum Authority of Thailand | O | ||||
| Petroleum Co. of Trinidad and Tobago Ltd. (Petrotrin) | O | ||||
| Petroleum Communication | O | ||||
| Petroleum Energy Center (PEC) | O | ||||
| Petroleum Finance Company (PFC) | O | ||||
| Petroleum Systems Services Corporation | O | ||||
| PetroleumSoftware.com | O | ||||
| PetroMetriX Ltd | O | ||||
| PetroMoly Corporation | O | ||||
| Petro-Mont Technical Services | O | ||||
| Petron (Philippines) | O | ||||
| Petronas | O | O | |||
| Petronyx, LLC | O | ||||
| PetroPages | O | ||||
| PETROPERU S.A. | O | ||||
| Petroplus | O | ||||
| Petropulse.com | O | ||||
| Petrosea | O | ||||
| Petroseal (SFPE) | O | ||||
| PetroSense | O | ||||
| Petrotech Turbomachiney | O | ||||
| Petrotechna | O | ||||
| Petrotest Instruments | O | ||||
| PETROTRIN | O | ||||
| Petroval | O | ||||
| PetroVantage | O | ||||
| PETROX S.A. Refinería de Petróleo | O | ||||
| Petrozuata | O | ||||
| Pfaltz & Bauer | O | ||||
| Pfannenberg | O | ||||
| Pfanstiehl Laboratories Inc. | O | ||||
| Pfaudler, Inc. | O | O | O | ||
| Pfeiffer Vacuum | O | ||||
| Pflitsch GmbH | O | ||||
| PGI International | O | O | O | ||
| Phase Dynamics | O | ||||
| Phase Laser Systems | O | ||||
| Phase-Transfer Catalysis | O | ||||
| Phasex | O | ||||
| PHD, Inc. | O | ||||
| Phelps Fan | O | ||||
| Phenolchemie GMBh | O | ||||
| Philadelphia Gear Corp. | O | ||||
| Philadelphia Mixing Solutions | O | ||||
| Philadelphia Resins | O | ||||
| Philadelphia Safety Devices | O | ||||
| Philip Services Corp. | O | O | O | ||
| Philips Analytical | O | ||||
| Phillip Townsend Associates (**) | O | ||||
| Philtec | O | ||||
| Phipps & Bird | O | ||||
| PHIX | O | ||||
| Phoenix Aktiengesellschaft | O | ||||
| Phoenix Contact | O | ||||
| Phoenix Equipment Corporation | O | ||||
| Phoenix Fabricators and Erectors, Inc. | O | ||||
| Phoenix Forge | O | ||||
| Phonetics, Inc. | O | ||||
| Photovac, Inc. | O | ||||
| Photovolt Instruments | O | ||||
| Physical Acoustics Corporation (PAC) | O | ||||
| Physical Sciences Inc. | O | ||||
| Physitemp Instruments | O | ||||
| PI Components | O | ||||
| Pi Engineering Software Inc. | O | ||||
| PIAB North America | O | ||||
| PICA USA, Inc. | O | ||||
| Picarro Inc. | O | ||||
| Pick Heaters | O | ||||
| Pieralisi Group | O | ||||
| Pierce Manufacturing | O | ||||
| Pierre Guerin | O | ||||
| Pigs Unlimited | O | ||||
| PII Group | O | ||||
| Pildysh Engineering Inc. | O | O | |||
| Piller Industrieventilatoren GmbH | O | ||||
| Pilot Chemical Company | O | O | |||
| Pilz | O | ||||
| PINK GmbH Thermosysteme | O | ||||
| Pinnacle Air Pollution Control | O | ||||
| Pinpoint Laser Systems | O | ||||
| Pioneer Asphalt Company | O | ||||
| Pioneer Companies, Inc. | O | ||||
| PIPco, Inc. | O | ||||
| Pipe Fabrication Institute (PFI) | O | ||||
| Pipe Line & Gas Industry | O | ||||
| Pipe Wrap / Para Fijar Enterprises | O | ||||
| Pipelife Nederland B.V. | O | ||||
| Pipeline Inspection Co. | O | ||||
| Pipeline Pigging Products, Inc. | O | ||||
| Pipeline Seal and Insulator | O | ||||
| pipemall.com | O | ||||
| Pipetech International | O | ||||
| Piping Supports, Inc. | O | ||||
| Piping Systems, Inc. | O | ||||
| Piping Technology & Products | O | O | |||
| PipingDesign.com | O | ||||
| pipingnews.com | O | ||||
| Pirelli Cavi E Sistemi SpA | O | ||||
| Pister Group, Inc. | O | ||||
| Pittsburgh Corning (**) | O | ||||
| P-Ker Engineering | O | ||||
| PKG Equipment | O | ||||
| Planet Ark | O | ||||
| Plant and Machinery, Inc. | O | ||||
| Plant Automation Services (PAS) | O | ||||
| Plant Design Automation Consulting | O | ||||
| Plant Engineer | O | ||||
| Plant Maintenance Resource Center | O | ||||
| Plant Maintenance Service Corp. | O | ||||
| Plant Services MRO Central | O | ||||
| Plant Support and Evaluations Inc. (PSE) | O | ||||
| Plant-Design.Com | O | ||||
| PlantWare ApS | O | O | |||
| Plasma-Tec | O | ||||
| Plasnet | O | ||||
| Plastec Ventilation Inc | O | ||||
| Plastic Engineered Products (P.E.P.) | O | ||||
| Plastic Fabrication Manufacturers | O | ||||
| Plastic Fusion Fabricators, Inc. | O | ||||
| Plastic Lined Piping Systems. | O | ||||
| Plastic Omnium | O | ||||
| Plasticolors, Inc. | O | ||||
| Plastics Technology | O | ||||
| Plastics.com | O | ||||
| Plasticx Universe | O | ||||
| Plasti-Fab, Inc. | O | ||||
| Plastinetics® | O | ||||
| Plastiques GyF | O | ||||
| Plast-O-Matic Valves | O | O | |||
| Plate Concepts, Inc. | O | ||||
| Platts | O | O | |||
| Plenty Inc. | O | ||||
| Plenty Mirrlees Pumps | O | ||||
| Plibrico Limited | O | ||||
| Plidco Intl | O | ||||
| Plug Power | O | ||||
| Plymouth Tube Company | O | ||||
| PlymoVent Corp. | O | ||||
| Plynoprojekt Praha a.s. | O | ||||
| PM (Project Management Group) | O | ||||
| PMC - Paper Machine Components | O | ||||
| PMC Biotec | O | ||||
| PMC Specialties Group, Inc. | O | ||||
| PMC/BETA | O | ||||
| PMC-Global Industries | O | ||||
| PmH | O | ||||
| PMP Fermentation Products, Inc. | O | ||||
| PND Corporation | O | ||||
| Pneucleus Technologies LLC | O | ||||
| Pneumadyne, Inc. | O | ||||
| Pneumafil Corporation | O | ||||
| Pneumapress® Filter Corporation (**) | O | ||||
| Pneumatech Inc. | O | ||||
| Pneumatic Conveying Consultants | O | ||||
| Pneumatic Conveying Inc. | O | ||||
| Pneumatic Products | O | ||||
| Pneumofore | O | ||||
| PNR | O | O | |||
| PNR Engineering Pte Ltd. | O | ||||
| Pocketball Valve Co. | O | ||||
| Poerner Ingenieurgesellschaft | O | ||||
| Pointwise, Inc. | O | ||||
| POL | O | ||||
| Polarchem International Ltd. | O | ||||
| Polaris Engineering | O | ||||
| Polibrid | O | ||||
| Polimeri Europa | O | O | |||
| Pollution Engineering | O | ||||
| Poly Hi Solidur | O | ||||
| Poly Processing Company | O | ||||
| Poly Software International | O | ||||
| Poly-Carb Inc. | O | ||||
| Polychem Corporation | O | ||||
| Polychromix | O | ||||
| Polydyne Inc. | O | ||||
| Polyhydron Pvt. Ltd | O | ||||
| Polymath Software (**) | O | ||||
| PolyMax | O | ||||
| Polymer Diagnostics Inc. (PDI) | O | ||||
| Polymer Dynamics, Inc. | O | ||||
| Polymer Laboratories | O | ||||
| Polymer Standards Service GmbH (**) | O | ||||
| Polymer Testing of St. Louis, Inc. | O | ||||
| Polymeric Systems Inc | O | ||||
| PolyOne (**) | O | ||||
| PolyScience | O | ||||
| Polysciences Inc. | O | ||||
| polysort.com | O | ||||
| PolyurethaneWeb | O | ||||
| Pompe Cucchi | O | ||||
| Pompe Gabbioneta | O | ||||
| Pompetravaini Spa | O | ||||
| Pope Scientific | O | ||||
| Poppe & Ponhoff GmbH & Co. | O | ||||
| Popper & Sons | O | ||||
| Porotec | O | ||||
| Porous Materials (PMI) | O | ||||
| Porous Media Corporation | O | ||||
| Port City Industrial Services | O | ||||
| Port Richmond Engineering Services | O | ||||
| Porta King Building Systems | O | ||||
| Portable Cold Storage Inc. | O | ||||
| Porter Instrument | O | ||||
| Portobello Fabrications Ltd | O | ||||
| Porvair Filtration Group | O | ||||
| Posi-flate | O | ||||
| Positron Systems, Inc. | O | ||||
| Potter and Soar Limited | O | ||||
| Powder & Bulk Solids Conference | O | ||||
| Powder and Bulk Dot Com | O | ||||
| Powder and Bulk Engineering | O | ||||
| Powder Technologies Incorporated ( PTI ) | O | ||||
| Powder Technology Incorporated (PTI) | O | ||||
| Powder/Bulk Solids Online | O | ||||
| Powderflight. | O | ||||
| Powders & Grains 2001. | O | ||||
| Powell Fabrication | O | ||||
| Powell Industries, Inc. | O | ||||
| Power Research Inc. | O | ||||
| Power Specialties Co. | O | ||||
| Power Svc. Technologies | O | ||||
| PowerCold® Corporation | O | ||||
| Powerspan Corp. | O | ||||
| power-technology.com | O | ||||
| Poyam Valves | O | ||||
| PPC Mechanical Seals | O | ||||
| PPE | O | ||||
| PPG Industries | O | O | O | ||
| PPS | O | ||||
| PPSA | O | ||||
| PQ Corporation | O | O | |||
| PR electronics | O | ||||
| Prado & Associates | O | ||||
| Praher Valves GmbH | O | ||||
| Praisa | O | ||||
| Praj Industries | O | ||||
| Prater Sterling | O | ||||
| Pratt & Whitney Power Systems (PWPS) | O | ||||
| Praxair | O | ||||
| PRé Consultants BV | O | ||||
| Precise Sensors | O | ||||
| Precision AirConvey - PAC | O | ||||
| Precision Brand Products | O | ||||
| Precision Cleaning | O | ||||
| Precision Detectors, Inc. | O | ||||
| Precision Digital | O | ||||
| Precision Engine Controls | O | ||||
| Precision IBC | O | ||||
| Precision Instrument Company | O | ||||
| Precision Machine & Manufacturing, Inc. | O | ||||
| Precision Plus Vacuum Parts, Inc. | O | ||||
| Precision Polymer Engineering Ltd. | O | ||||
| Precision Polymer Processors | O | ||||
| precision SA | O | ||||
| Precision Tube Company | O | ||||
| Precision Valve | O | ||||
| Precision Weighing Balances | O | ||||
| Predictive Control Ltd | O | ||||
| Predictive Service Corporation (PSCorp™) | O | ||||
| Preem Raffinaderi | O | ||||
| Preload Inc. | O | ||||
| Premcor Refining Group Inc. | O | ||||
| Premier Chemicals, LLC | O | ||||
| Premier Consulting Services (PCS) | O | ||||
| Premier Mill | O | ||||
| Premier Pneumatics | O | ||||
| Premier Six | O | ||||
| Premier Tech | O | ||||
| Presairtrol | O | ||||
| Preso Meters | O | ||||
| Presray Corporation | O | ||||
| Pressure Chemical Co. | O | O | |||
| Pressure Dynamic Consultants | O | ||||
| PresSure Products Company | O | ||||
| Pressure Products Industries (PPI) | O | ||||
| Pressure Systems | O | ||||
| Pressure Vessel Manufacturers | O | ||||
| Presto Lifts, Inc. | O | ||||
| Presto Products | O | ||||
| Price Brothers Company | O | ||||
| Price® Pump Company | O | ||||
| PricewaterhouseCoopers | O | ||||
| Primary Systems, Inc. (PSI) | O | ||||
| Primatech | O | ||||
| Primavera | O | ||||
| Prime Energy | O | ||||
| Prime Machinery Corporation. | O | ||||
| PRIME Measurement Products | O | ||||
| Prime Technologies | O | ||||
| Primeline Chemical Systems | O | ||||
| Princeton Advanced Technology | O | ||||
| Princeton Applied Research | O | ||||
| Principal Metals (**) | O | ||||
| Princo Instruments, Inc. | O | ||||
| Princo s.r.l. | O | O | |||
| Prior Scientific | O | ||||
| Pro Box, Inc. | O | ||||
| Pro Plus, Inc. | O | ||||
| PRO-BELT | O | ||||
| ProCast | O | ||||
| Procede Software Ltd | O | ||||
| Procede Twente BV | O | ||||
| Procedyne Corp. | O | ||||
| Pro-C-epT (**) | O | ||||
| Process & Industrial Training (**) | O | ||||
| Process Ace Software | O | ||||
| Process Analyzers, LLC | O | ||||
| Process and Mechanical Technologies, Inc. | O | ||||
| Process Associates of America (**) | O | ||||
| Process Combustion Corporation | O | ||||
| Process Consulting Services (**) | O | ||||
| Process Control Systems, Inc. | O | ||||
| Process Control Technology Corporation | O | ||||
| Process Efficiency Products (PEP) | O | ||||
| Process Fabricators (**) | O | ||||
| Process Heating Company (PHC) | O | ||||
| Process Heating Magazine (**) | O | ||||
| Process Improvement Engineering | O | ||||
| Process Industry Information Center | O | ||||
| Process Integrity, Inc. (PI) | O | ||||
| Process Measurement & Controls, Inc. | O | ||||
| Process Plant and Machinery Ltd | O | ||||
| Process Plus | O | ||||
| Process Resources, Inc. | O | ||||
| Process Risk and Safety Management | O | ||||
| Process Safety Progress | O | ||||
| Process Scientific | O | ||||
| Process Sensors Corp | O | ||||
| Process Services Inc. (PSI) | O | ||||
| Process Solutions | O | ||||
| Process Solutions, Inc. | O | ||||
| Process System Solutions | O | ||||
| Process Systems Enterprise | O | ||||
| Process Technology | O | ||||
| Processall Inc. | O | ||||
| processengineeringonline.com | O | ||||
| Process-Power, Inc. | O | ||||
| ProcessRegister | O | ||||
| Proco Products, Inc. | O | ||||
| Procol Engineering AG | O | ||||
| ProComSol, Ltd | O | ||||
| Proctor & Gamble | O | ||||
| Procure Management | O | ||||
| ProcureZone.com | O | ||||
| Prode | O | ||||
| Production Modelling Limited | O | ||||
| Productos Químicos Roda | O | ||||
| PRO-Equipment, Inc. | O | ||||
| Professional Systems Inc. | O | ||||
| Profibus International | O | ||||
| Profins Limited | O | ||||
| Pro-Flow Eng. Services | O | ||||
| Prognost Systems | O | ||||
| Program Development Corporation | O | ||||
| Program s.r.l | O | ||||
| Progressive Epoxy Polymers, Inc. | O | ||||
| Progressive Recovery, Inc. | O | ||||
| Project Assurance | O | ||||
| Project Resources, Inc. | O | ||||
| ProMinent | O | O | |||
| Promochem Gmbh | O | ||||
| Pronal | O | ||||
| propRmix | O | ||||
| ProPure AS | O | ||||
| ProQuip Inc. | O | ||||
| proRheo | O | ||||
| ProSavvy | O | O | |||
| Prosernat | O | ||||
| ProSerTec | O | ||||
| ProSim | O | ||||
| PROSOCO, Inc. | O | ||||
| ProSoft Technology, Inc. | O | ||||
| ProSys Sampling Systems | O | ||||
| prosys° GmbH | O | ||||
| ProTec International | O | ||||
| Protective Coatings and Linings | O | ||||
| Protectoplas Plastic Tanks | O | ||||
| Protectoseal (**) | O | O | |||
| Protego | O | ||||
| Proteus Technical Solutions, Inc. | O | ||||
| Proton Energy Systems | O | ||||
| Proviron | O | O | |||
| Proximity Controls | O | ||||
| Pruftechnik AG | O | ||||
| Prüftechnik Condition Monitoring | O | ||||
| PSA | O | ||||
| PSB Industries | O | ||||
| PSE | O | ||||
| PSF Industries, Inc. | O | ||||
| PSG Fertigungs- und Prozeßautomations | O | O | |||
| PSI | O | ||||
| PSI Engineering Systems | O | ||||
| PSI-Tronix | O | ||||
| PSL Powder Systems Ltd. | O | ||||
| PSRG Process Safety & Reliability Group (**) | O | ||||
| PT Coupling | O | ||||
| PTC Instruments | O | ||||
| PTI Technologies Inc. | O | ||||
| Pu2Pu.com | O | ||||
| Public Citizen | O | ||||
| Public Works Magazine | O | ||||
| Pugmill Systems, Inc. | O | ||||
| Pulsafeeder Inc. | O | O | |||
| Pulsair Systems (**) | O | ||||
| Pulsar Developments Ltd | O | ||||
| Pulsar Process Measurement | O | ||||
| Pulse Combustion Systems | O | ||||
| Pulsonics | O | ||||
| Pulva Corporation | O | ||||
| Pump Engineering | O | ||||
| Pump Engineering, Inc. | O | ||||
| Pump.Net | O | ||||
| PumpBiz | O | ||||
| Pumper Parts LLC | O | ||||
| Pumpex AB | O | ||||
| PUMP-FLO.com | O | ||||
| Pumping Machinery, LLC | O | ||||
| pumps-directory | O | ||||
| pumpshub.com | O | ||||
| Pumpweb | O | ||||
| Purafil, Inc. (**) | O | ||||
| Pure Energy Corporation | O | ||||
| PureAire Monitoring Systems | O | ||||
| Purecha Group | O | ||||
| Pureflex, Inc. | O | ||||
| Pure-Flo | O | ||||
| PureLine Treatment Systems |