| | Online Media | Jakarta | | $100 - 250M |
| | Internet | New York | NY | $10 - 50M |
| PhotobucketPhoto and image hosting, free photo galleries, photo editing | Internet | Denver | CO | $1 - 10M |
| Plentyoffish.comPOF.com ™ The Leading Free Online Dating Site for Singles & Personals | Information Technology and Services | Vancouver | BC | $10 - 50M |
| Prothom AloGet Latest Bangla News Online from The Daily Prothom Alo | Newspapers | Dhaka | | $100 - 250M |
| | Publishing | New York | NY | > $1B |
| POLITICOPolitics, Policy, Political News - POLITICO | Online Media | | | $10 - 50M |
| | Publishing | New York | NY | $100 - 250M |
| | Computer Games | Redwood City | CA | $50 - 100M |
| PastebinPastebin.com - #1 paste tool since 2002! | Marketing and Advertising | SEATTLE | WA | |
| | Online Media | San Francisco | CA | |
| | Internet | Englewood | CO | $1 - 10M |
| Pottery BarnHome Furnishings, Home Decor, Outdoor Furniture & Modern Furniture | Pottery Barn | Retail | San Francisco | CA | > $1B |
| Perez HiltonPerez Hilton - Hollywood's Hottest Celebrity Gossip | Individual & Family Services | West Springfield | VA | $0 - 1M |
| | Higher Education | Jaipur | | |
| PhillyPhiladelphia local news, sports, jobs, cars, homes - Philly.com | Newspapers | Philadelphia | PA | $500M - 1B |
| Pocket-lintPocket-lint - Gadget Reviews, Product News, Electronic Gadgets | Publishing | | | $0 - 1M |
| | Retail | Fort Worth | TX | > $1B |
| PaychexPayroll Services and More for Any Size Business | Human Resources | Rochester | NY | > $1B |
| | Publishing | New York | NY | $0 - 1M |
| | Internet | Plymouth Meeting | PA | $1 - 10M |
| Psych CentralPsych Central - Trusted mental health, depression, bipolar, ADHD & psychology information | Mental Health Care | Newburyport | MA | $1 - 10M |
| | Retail | San Francisco | CA | $500M - 1B |
| PottermorePottermore - The digital heart of the Wizarding World | Publishing | Wales Center | NY | $1 - 10M |
| | Entertainment | Barcelona | Catalonia | $1 - 10M |
| | Leisure, Travel & Tourism | Santa Clarita | CA | > $1B |
| PlayboyPlayboy | Articles, Interviews & More Since 1953 | Publishing | Beverly Hills | CA | $10 - 50M |
| posta.com.trPosta Gazetesi Resmi ??nternet Sitesi | Posta.com.tr | Photography | Sisli | | |
| | Newspapers | Pittsburgh | PA | $100 - 250M |
| PennLive.comCentral PA Local News, Breaking News, Sports & Weather - PennLive.com | Online Media | Easton | PA | $1 - 10M |
| | Law Enforcement | Rome | | $50 - 100M |
| | Publishing | London | | $1 - 10M |
| | Newspapers | Madrid | Madrid | $1 - 10M |
| | Higher Education | Santiago | Regin Metropolitana | > $1B |
| | Online Media | | | |
| | Telecommunications | Santa Cruz | CA | $500M - 1B |
| | Writing and Editing | Danvers | MA | $1 - 10M |
| PTCTechnology Platforms and Solutions to Unlock the Value of the IoT | PTC | Computer Software | Needham | MA | > $1B |
| Punchbowl, Inc.Free Online Invitations & Digital Greeting Cards | Punchbowl | Internet | Framingham | MA | $1 - 10M |
| PlaybillPlaybill: Broadway, Off-Broadway, London News, Listings and Tickets | Publishing | New York | NY | $10 - 50M |
| | Internet | | | |
| PocketnowPocketnow - Smartphone, Tablet, and Wearable Reviews, Videos, Editorials and News | Online Media | HaKfar HaYarok | Ramat HaSharon | $0 - 1M |
| pajiba.comPajiba: Sweetened by Mock, Lightened by Droll | | | | |
| | Newspapers | Warsaw | | |
| Pantone
Pantone - PANTONE Color, products and guides for accurate color communication.
| Design | Carlstadt | NJ | $10 - 50M |
| | Legal Services | New York | NY | $1 - 10M |
| | Newspapers | | | $10 - 50M |
| Proff.noProff?? ??? N??kkeltall, Regnskap og Roller for norske bedrifter | Information Services | Oslo | | |
| | Publishing | Philadelphia | PA | $10 - 50M |
| | Broadcast Media | Bucharest | | $50 - 100M |
| | Hospital & Health Care | New York | NY | $500M - 1B |
| | Internet | Seattle | WA | $50 - 100M |
| phoronix.comLinux Hardware Reviews, Open-Source Benchmarks & Linux Performance - Phoronix | Wholesale | | | |
| PokerNewsPokerNews, online poker rooms reviews, strategy & bonuses | PokerNews | Gambling & Casinos | Douglas | | $50 - 100M |
| | Health, Wellness and Fitness | Newington | NH | $250 - 500M |
| | Higher Education | BOGOTA | CUNDINAMARCA | > $1B |
| portafolio.coNoticias de Economía y Negocios en Colombia y el Mundo | Portafolio.co | Telecommunications | SUNNY ISLES BEACH | FL | |
| | Online Media | Evanston | IL | $100 - 250M |
| | Broadcast Media | Minneapolis | MN | $10 - 50M |
| Petit FutéGuides de voyage Petit Fut?? : voyager en France et dans le monde | Leisure, Travel & Tourism | Paris | | $100 - 250M |
| | Newspapers | Santiago | Santiago Metropolitan Region | $10 - 50M |
| PocketGamer
Pocket Gamer | iPhone, iPad, Android, 3DS, PS Vita news, reviews, walkthroughs
| Online Media | London | | $0 - 1M |
| | Health, Wellness and Fitness | | | $250 - 500M |
| | Higher Education | Malibu | CA | $100 - 250M |
| | Consumer Services | RIO OSO | CA | |
| PEMEX
PEMEX |
Transformación para impulsar a México
| Oil & Energy | Houston | TX | > $1B |
| ProHealthProHealth Fibromyalgia & Chronic Fatigue Syndrome News, Research & Treatment | Health, Wellness and Fitness | Santa Barbara | CA | $1 - 10M |
| pirate4x4.comPirate4x4.Com - The largest off roading website in the world. | Online Media | LUCERNE VALLEY | CA | |
| | Retail | Winnipeg | MB | > $1B |
| | Utilities | LUTZ | FL | |
| | Real Estate | Doha | | |
| Prizee.comJeux gratuits : jeu flash en ligne et encheres de produits Prizee ! | Internet | Saint-Amant-Roche-Savine | Auvergne Rhne-Alpes | $1 - 10M |
| Pop PhotoPhotography, Photo, Digital Camera, Reviews | Popular Photography | Photography | New York | NY | $1 - 10M |
| | Internet | | | $1 - 10M |
| ProofpointLeader in Advanced Cybersecurity Solutions | Proofpoint | Computer Software | Sunnyvale | CA | $50 - 100M |
| | Education Management | | | $10 - 50M |
| | Music | New York | NY | $1 - 10M |
| PERIODICOS HEALYLACRONICA.COM - Noticias, Clasificados e Información de Mexicali, Baja California, México. | Newspapers | | | $100 - 250M |
| | | | | |
| PlayStation UniversePS4, PS3, PSVR, PS Vita News, News, Reviews, Trailers, Games, PSN - PlayStation Universe | Writing and Editing | Montr | QC | $0 - 1M |
| | Human Resources | Montreal | QC | $0 - 1M |
| | Publishing | Springdale | AR | $0 - 1M |
| | Internet | Angels | CA | $1 - 10M |
| Perforce SoftwarePerforce Software: Connect teams, protect IP, support rapid releases | Computer Software | Alameda | CA | $50 - 100M |
| | Cosmetics | Santa Monica | CA | $100 - 250M |
| | Higher Education | So Paulo | SP | > $1B |
| | Libraries | Cincinnati | OH | $100 - 250M |
| | Newspapers | PEORIA | IL | $100 - 250M |
| | Broadcast Media | Jakarta | | $10 - 50M |
| | Government Administration | largo | FL | $0 - 1M |
| Parent SocietyParent Society - Parenting articles, babies & family viral videos | Market Research | New York | NY | $0 - 1M |
| Peloton CyclePeloton Cycle ®| Exercise Bike With Indoor Cycling Classes Streamed Live & On-Demand | Health, Wellness and Fitness | New York | NY | $1 - 10M |
| POLYGLOT CLUBPolyglot Club Official Website - Practice languages and find friends | | Paris | | |
| | Information Technology and Services | | | |
| | Newspapers | Pensacola | FL | $10 - 50M |
| | Construction | Saint Paul | MN | $0 - 1M |
| | Newspapers | Rochester | MN | $10 - 50M |
| | Insurance | | | > $1B |
| | Internet | Barcelona | Catalonia | |
| | Higher Education | New Port Richey | FL | $50 - 100M |
