- Paceline Systems
- Pacific Bin Corporation
- Pacific Ozone Technology Inc.
- Pacific Regeneration Technologies, Inc.
- Pacific Renewables, Inc.
- PAETEC Communications
- Paetec International
- PakTech/OPI, Inc.
- Paladin Capital Management
- Palm Inc.
- Panagon eSolutions
- Panasonic Corp.
- Panasonic Factory Automation
- Pangaea Holdings Ltd.
- Paradigm Business Solutions
- Paragon Total Solutions, Inc.
- Paramax, Inc.
- Parc Place Digitalk
- Parlano
- Parsons
- PassGate Corporation
- Passtime
- The Pathways Group, Inc.
- Patmos International
- Patriot Homes, Inc.
- Patriot Seating
- PaySource, Inc.
- Paystar Communications Corp.
- Pavilion Technologies
- Paytrust, Inc.
- PBS & J
- PC Doctor, Inc.
- PCI-Wedeco
- PC Peripherals, Inc.
- PCS Inc.
- Pegasus Systems
- Pemco Technology Services
- PenJet Corporation
- Penny & Giles Instrumentation
- Pentegra Group
- People's Bank
- Peoplekeys
- PeopleSoft
- Peracon, Inc.
- Peregrine Financial Group
- Performance Challenges Corporation
- Performance Consulting Services
- Performance Enhancement Group
- Periculum Services Group
- Pershing Div.
- Persona International
- Personal Touch
- Personnel Decisions International
- Pertech Resources
- Pervasive Software Inc.
- PetroChem.Net
- PGP Security
- Pharmacists Mutual Insurance
- Pharos Science and Applications, Inc.
- Phenix Technologies
- Pheromone Sciences Corp.
- Phillips Getschow, Co.
- Phinder Technologies
- Phonetic Systems
- Phoenix Accessories
- Phoenix Capital, Inc.
- Phoenix Processing Systems
- Pick Systems
- Pilotfish Technology
- Pilz International Safety, LP
- Pipeline Research Council International
- Pitney Bowes
- Pivotech Systems
- PKS Information Services
- PlanetGov
- Planet-Intra.com, Inc.
- Plantronics, Inc.
- Plasticon International
- Plastopan
- Platform Computing
- Platforms International Corp.
- Plaut Consulting Inc.
- PLCS, Inc.
- Pointe Communications Corp.
- Polaris Networks, Inc.
- Polar Molecular Corporation
- Polaroid Corporation
- PolarSat, Inc.
- Police Central, Inc.
- Politzer & Haney
- Poly HI Solidur
- Pontiac/GMC
- Popmail.com, Inc.
- Porter Cable
- Portico Capital Securities
- Portivity
- Possio AB
- Powell Fabrication and Manufacturing
- Power Correction Systems, Inc.
- Power Designers
- Power Efficiency Corporation
- Power Monitors, Inc.
- Power Plate
- Power Presentations
- PowerWorld Corporation
- Power X Networks
- PPM 2000
- PPR Corporation
- Practical Enterprises
- Pratt & Whitney AutoAir, Inc.
- Precision Engine Controls Corporation
- Precision IBC, Inc.
- Predictive Networks, Inc.
- Preferred Capital Markets
- Presidential Finance Corp.
- Presperse Incorporated
- Preview Systems
- Price Waterhouse
- Price Waterhouse
- PriceNetUSA.com
- PricewaterhouseCoopers
- Primarion
- Prime Board, Inc.
- Prime Source Technologies LLC
- PrimeStreet
- Printrak
- Pristine.com
- Prism Systems
- Priva Technologies
- Private Equity Group LLC
- ProCurve Networking by HP
- Produce Safety and Security International, Inc
- Productivity by RFID
- Proe Power Systems
- Profitable Food Facilities
- Profitability Business Simulations
- Proformance, Inc.
- PRO IV
- ProGear Holdings
- Progress Software Corporation
- Progress Software
- Progress Telecom
- Project Management Leadership Group
- ProLogis
- Prometric
- Prominent Communications, Inc.
- Promoting Public Causes Inc.
- Proset Group, Inc.
- Provident Bank
- Prowess, Inc.
- Prudential Funds, Annuities & Managed Money
- Prudential Real Estate Affiliates
- PR Web
- PSCUSA, Inc.
- PSCU Financial Services
- PSI Global
- PSINet Consulting Solutions
- PSINet Consulting Solutions
- PSW Technologies
- Psynapse Technologies
- PTC
- PTC
- PTI Labor Research, Inc.
- PTS Solutions
- Pulse Air Systems, Inc.
- Puradyn Filter Technologies
- Pure Choice, Inc.
- Pure H2O Bio-Technologies, Inc.
- PVA TePla America, Inc.
- Pyroblanket