| P & H | | P-M Corporation | | P-Q Controls | | P.C. | | P.C.D.S. | | P.C.I. | | P.D.T.E. | | P.E.C. | | P.E.D. | | P.E.I. | | P.E.P. | | P.E.T.S. | | P.I.V. | | P.K.S. | | P.M. Corporation | | P.P.I. | | P.P.S. Manufacturing | | P.S.E.D.A. | | P.S.R. | | P/A Industries | | Paar | | Pace | | Pacepack | | Pacer | | Pachydyne | | Pacific Controls | | Pacific Electronic | | Pacific Engineering | | Pacific Instruments | | Pacific Power | | Pacific Scientific | | Package Controls | | Package Machinery | | Packaged Power | | Packaging Services | | Pacmac | | Pads Development | | Pak-Tronics | | Pako | | Paktronics | | Pan Am | | Pan-Asia | | Pan-Mag | | Panacom | | Panadac | | Panalarm | | Panama | | Panametrics | | Panasonic | | Panastop | | Pandjiris | | Panduit | | Panel-Tec | | Panelogic | | Panels & Controls | | Panoramic | | Pantec | | Para Systems | | Paradigm | | Paragon Electric | | Parametrics | | Paramount | | Parelec | | Parker | | Parking Products | | Parma | | Parmeko | | Parsons | | Partlow | | Parvalux | | Parvus | | Pasar | | Pass & Seymour | | Paul Lippke | | Pavid | | Paxall | | Payne Engineering | | Pc Controls | | Pc Industries | | Pcc | | Pci | | Pcs | | Pct Controls | | Pds Technologies | | Peabody Engineering | | Peabody Flomatcher | | Peaktronics | | Peavey | | Peco | | Peddinghaus | | Peek Traffic | | Pees | | Pegaso Elettronica | | Pegasus | | Pel | | Pelco | | Pellerin-Milnor | | Pelton & Crane | | Pemco | | Penberthy | | Penn Microsystems | | Penn Systems | | Penn Video | | Penn/Measure-Rite | | Pennsylvania Scale | | Penny & Giles | | Pensar Corporation | | Pentek | | Penwalt | | Pepperl & Fuchs | | Per Hornsved | | Performance Feeders | | Performance Systems | | Periphlex Ltd. | | Perkin-Elmer | | Perma-Drive | | Perma-Power | | Permutit | | Perretta Graphics | | Pertron | | Peter Albrecht | | Peter Electronic | | Peter Horstmann | | Petro-Vend | | Pfaff | | Pfankuch Maschinen | | Pfeiffer Vacuum | | Pfening | | Pfister | | Phasetronics | | Phason | | Phastron | | Phihong | | Philips | | Phillips Cables | | Philtek Electronics | | Philtek Power Corp | | Phoenix Contact | | Phoenix Data | | Phoenix Digital | | Phoenix Power System | | Photo-Count | | Photocircuits | | Photocraft | | Photomation | | Photon Kinetics | | Photoswitch | | Phytron | | Piana Elettronica | | Picanol | | Pickering | | Pillar Corporation | | Piller | | Pilz | | Pinnacle Systems | | Pioneer | | Pioneer Electric | | Pioneer Engineering | | Pioneer Instrument | | Pioneer Magnetics | | Pitman | | Pitney-Bowes | | Piw | | Pkm | | Planar Systems | | Planet | | Plantstar | | Plasma | | Plasma Technik | | Plasser & Theurer | | Plasthing | | Plastic Service | | Plasticolor | | Plastore Inc. | | Platine | | Plc Direct | | Plessey Peripheral | | Pmc | | Pmc/Beta | | Pmi Motion | | Pmi Motors | | Pmi Technologies | | Pms | | Pmv | | Pneu-Con | | Pneu-Power | | Pneumatech | | Pneumatic Products | | Pneumatics | | Pneumercator Co. | | Pneutronics | | Pnp | | Point | | Polar | | Polar-Mohr | | Poletti & Osta | | Polyscience | | Polysonics | | Polyspede | | Polytron | | Polytronics | | Polytype | | Poole Ltd. | | Porelon Inc | | Portec | | Portland Iron | | Positec | | Positech | | Positron |
| | Pot-Zaehler | | Potter & Brumfield | | Pourtier | | Powcon | | Power Circuits | | Power Components | | Power Control Corp. | | Power Control System | | Power Controls Inc. | | Power Conversion | | Power Designs Inc. | | Power Electronics | | Power General | | Power Instruments | | Power Management | | Power Measurement | | Power Motion | | Power Pac Inc. | | Power Prop | | Power Solution | | Power Source | | Power Switch Corp. | | Power Systems | | Power Ten Inc. | | Power Tronic | | Power-One | | Power-Pro | | Power-Source | | Power-Trol | | Power/Mate | | Powerex | | Powerlab | | Powerline | | Powermation | | Powernet | | Powers | | Powers Process Ctrls | | Powers Regulator Co. | | Powers-Transitube | | Powertec | | Powertron | | Powervolt | | Powerware | | Powpak | | Powr Ups Corporation | | Ppg Industries | | Ppp Contraves | | Pr Electronics | | Prab Robots Inc. | | Pratt | | Pratt & Whitney | | Prc Corporation | | Precinum | | Precise | | Precision Automation | | Precision Digital | | Precision Drives | | Precision Electronic | | Precision Graphics | | Precision Micro | | Precision Scientific | | Preco | | Preco Industries | | Precon | | Preferred Instrument | | Preferred-Rimcor | | Premier Pneumatics | | Prentice | | Prescolite Controls | | Pressco | | Presstech | | Prestek | | Pretec | | Preussag Ag | | Preussag Feuerschutz | | Prima | | Prime Controls | | Prime Manufacturing | | Primech | | Princo | | Print | | Printelec | | Printronix | | Prism | | Pro-Log | | Pro-Tech | | Process Computer Sys | | Process Control | | Process Control Sys. | | Process Elektronik | | Process Instruments | | Process Technology | | Procon Pas | | Proconor | | Procos | | Procter & Gamble | | Product Resources | | Production Equipment | | Production Process | | Profax Inc. | | Proftech Systems | | Progressive Elec | | Progressive Machine | | Promac | | Prometrix | | Promicon Systems | | Prominent | | Promotec | | Propel | | Proportion Air Inc | | Proras | | Prosoft | | Protection Controls | | Protectowire | | Protek | | Proteon Inc | | Proteus Ind. | | Proto Circuit | | Proton | | Prototec | | Provad Semyre | | Proven Designs Inc. | | Provisor | | Provue | | Prsc | | Ps & D | | Psa | | Psb Industries | | Psc | | Psi | | Psi Tech | | Psion | | Pt Components | | Pti Controls | | Publishers Equipment | | Puleo Electronics | | Pulnix | | Puls | | Pulsafeeder | | Punos Elektronik | | Purrco | | Pv Products | | Pwr Inc. | | Pyco | | Pyott-Boone | | Pyramid | | Pyromation | | Pyrometer Instrument | | Pyronics Inc. | | Pyrotech Intl. | | Pyrotronics | | Q-Com | | Qantex | | Qci | | Qei | | Qmc Technologies | | Qsc Audio | | Qsdm Inc. | | Qsi | | Qterm | | Quad-Tech | | Quadrant Components | | Quadrel | | Quadtex | | Qualidyne | | Quality Measurements | | Quality Micro System | | Quality Power System | | Qualogy | | Quanta | | Quantek Instruments | | Quantem | | Quantrad Corporation | | Quartech | | Queen Light | | Quel Powerline Ltd. | | Quest Technologies | | Questar | | Quick Rotan | | Quicksilver Controls | | Quickstop | | Quincy Compressor | | Quindar Electronics | | Quinton Crane | | Quipp | | Qvac | | Qwar* | | R & D | | R & D Carbuhn | | R-D Systems | | R-K Electronics | | R-Tec | | R.D.S. | | R.E. Technologies | | R.H.F. Ltd. | | R.L.C. Enterprises | | R.M. Industries | | R.S.I. | | R/H Research | | Racal Vadic | | Racal-Dana | | Raccoglitore | | Rachwal Systems Inc. | | Racine | | Racine-Bosch | | Racine-Dana | | Raco | | Rade Systems Ltd. | | Rademaker |
| | Radio Energie | | Radio Shack | | Radiodetection | | Radisys Corporation | | Radyne | | Rafi | | Rainhart | | Raj | | Ram | | Ram Electronic | | Ramco | | Ramsey | | Randam Electric | | Randtronics | | Ransburg Corporation | | Ransburg-Gema | | Rapid Controls | | Rapid Data | | Rapid Electric | | Rapid Power | | Rapid-Air | | Rapistan | | Raque Food Systems | | Ratelco | | Ratioflo | | Rauland-Borg | | Raute Precision | | Rautomead | | Raven | | Rawson-Lush | | Raychem | | Raycon | | Rayex | | Raymer | | Raymond | | Rayonics | | Raytek | | Raytheon | | Raytron | | Rbb Systems | | Rbf | | Rca | | Rcc | | Rci | | Rcs Inc. | | Rd Systems | | Rdi | | Re Elettronica | | Real Time Solutions | | Rebel Industries | | Recon Controls | | Recyclene | | Red Devil | | Red Lion | | Redco | | Redington | | Redkoh Industries | | Redland Automation | | Reece | | Reed | | Reed Chatwood | | Reel | | Reflex | | Refu Elektronik | | Regaspeed | | Regatron | | Regaut | | Regent | | Regis | | Registron | | Reglomat | | Regloplas | | Regolazione | | Regulator S.P.A. | | Rei | | Rei Electric | | Reid & Sigrist | | Reikotronic | | Reimer | | Reishauer | | Rektron | | Rela | | Relaisprint | | Relco | | Relcon | | Reliance | | Relm Communications | | Remex | | Remic | | Remtron | | Renco | | Reno | | Renold | | Reo Elektronic | | Reo Elektronik | | Rep | | Republic | | Research Inc. | | Research-Cottrell | | Reseco Elettronica | | Reta Electronic | | Reta-Labod | | Retech Ag | | Retrotech | | Reuland | | Reutlinger | | Revere | | Rex Manufacturing | | Rexa | | Rexham Corporation | | Rexnord | | Rexroth | | Rfid Inc | | Rfl Industries | | Rgl | | Rheinstahl | | Rheintacho | | Riba | | Ribbon Equipment Mfg | | Ric | | Rice Lake | | Riede Systems Inc. | | Rieter | | Riggs | | Riken | | Riley Automation | | Rima | | Rimrock | | Risco | | Rite-Hite | | Ritron | | Rittal | | Rittenhouse | | Riverside Systems | | Rkb | | Rkc | | Rkr | | Rlc Instrument | | Rmg | | Ro Associates | | Ro-An | | Robbins-Myers | | Robertshaw | | Robicon | | Robinair | | Robinson Engineering | | Robinson-Halpern | | Robosoft | | Robot Research Inc. | | Robotool | | Robotrol | | Robotron | | Robroy | | Rochester Instrument | | Rocket | | Rockford Dynatorq | | Rockford Safety | | Rocklin | | Rockwell | | Rockwell Pmc | | Rockwell-Goss | | Rodix | | Rofin-Sinar | | Roj Electrotex | | Roland-Leuze | | Rolfes | | Roll Systems Inc. | | Rollcut | | Rolm | | Rommalag | | Ronan | | Rondo Motor Control | | Ronningen-Petter | | Ropex | | Rose Electronics | | Rosemount | | Rosenthal | | Ross | | Ross Hill | | Rossi Motoriduttori | | Rossmanith | | Rothschild | | Roto Screen | | Rotork | | Rotronic | | Rottler | | Roundo | | Rovema | | Rowan Elettronica | | Rowe | | Roxter Corporation | | Royce Instrument | | Rpc | | Rsf-Elektronik | | Rsr | | Rst | | Rt Engineering | | Rta-Pavia | | Ruaro | | Ruckle | | Rumble Controls Ltd. | | Russelectric | | Rustrak | | Ryco | | Rykart | | Ryobi | | Ryosan | | Ryowa Reiki | | Rytec |
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