- Paws-a-tively
- Paxci
- Paycom Payroll, LLC
- Paypal, INC.
- Payton Booster Association, INC.
- Pazza Pizza
- Pcam, LLC - Parking Company Of America; Parking Company Of America Management
- Pcs International
- Peach Sky Photography
- Peachy Keen Wax And Skin
- Pearl Consulting Group, INC.
- Pearle Vision
- Pearle Vision Old Town
- Pearson Cleaners
- Pec
- Peer Beauty INC
- Peet's Coffee & Tea
- Peking Chinese Food
- Pelago
- Penchant Boutique
- Penelope's Vegan Taqueria
- Peninsula Chicago, LLC
- Pepper Construction Co.
- Pepper Palace - Navy Pier
- Perceptual Experience
- Perillo Roll Royce, Bentley, Bugatti, Lamborghini, Maserati Of Chicago
- Perkspot
- Perkup Cleaning
- Perman Wine Selections
- Permasteelisa North America Corp.
- Personalizednewspaper.com, INC.
- Perspectives Health
- Perspire Sauna Studio
- Pet 'n Me LLC
- Pet Derm
- Petco #1965
- Peter Millar
- Peter Pepper Products INC
- Petit Pomeroy & Sophia Steak
- Petite Edith
- Petsmart, INC. (#2262)
- Pharmnoura
- Pharroah Floors
- Phase Forward Consulting
- Phaze 2 Studio LLC
- Phenix Salon Suites
- Phenix Salon Suites
- Philz Coffee, INC.
- Phmg
- Phones
- Photobooth Etcetera
- Photogenic, INC.
- Pie
- Pierre Frey, INC.
- Pilatesville LLC
- Pinched
- Pindler & Pindler INC
- Pingpod
- Pini Pico Coffee Co
- Pink Mi Up River North
- Pink Polish Nail Salon
- Pink Taco
- Pinnacle Live LLC
- Pinnacle Yachts
- Pinstripes
- Pioneer Parking
- Pippins Tavern
- Pistachios
- Pistores Pizza & Pastry
- Pivot Design, INC.
- Pivotal Labs, INC.
- Piyush Kedia
- Pizano' S Pizza & Pasta Express
- Pizano's Pizza & Pasta
- Pizza Hut Connect LLC
- Pizza Studio
- Pizzeria Be Bu
- Pizzeria Due
- Pizzeria Ora
- Pizzeria Uno Chicago Bar & Grill
- Planet Fitness
- Planetethr3 DBA Ethr3 LLC.
- Planta Queen
- Planta Queen
- Platform Pilates
- Platinum Coast Designs
- Plum Market/intelligentsia
- Plum Tree Group, INC
- Pmi Windy City
- Pmmi Media Group
- Poison Pencil, LLC
- Poke Bowl Co
- Poke Poke
- Poke San
- Polaris Greystone Financial Group, LLC
- Polish And Pour
- Pollo Campero
- Polo Ralph Lauren
- Polymax Recycling
- Pomellato Usa, INC
- Pontin Usa, INC
- Pop Beauty Social
- Pop Mart
- Pops For Champagne
- Porcelanosa USA
- Portable Trainer
- Portillo's
- Potash Bros INC
- Potash Bros. Supermarket
- Potash Gourmet 44
- Potbelly Sandwich Works LLC
- Practical Angle INC.
- Prasanna Narayanan
- Precision Hair Removal And Skin Care LLC
- Predictions House Of Tarot Horoscopes Spiritual Healing Crystals
- Premier Intrigue
- Premier Nail
- Premiere Systems, INC.
- Premium Home Systems
- Prep2plate LLC
- Present Place River North
- Pressina LLC
- Prestige Nail Studio
- Prestige Parking, LLC
- Pretty N Tasty
- Pretty Nails
- Prevention First, INC
- Prima Aesthetic LLC
- Prime By Butler
- Prime By Butler
- Prime By Butler
- Prime Design Interiors
- Prime Parking
- Primis Health Services Corporation
- Printer's Row Coffee Company
- Priority Sports And Entertainment
- Prism Health Lab
- Pro Biz Products LLC
- Pro Chicago Painters
- Professional Parking
- Profile Capital Management LLC
- Prohibition Barber Co.
- Prohibition Total Holistic Cafe
- Project Outdoor LLC
- Promise In The Process INC.
- Pronto Hospitality
- Pronto Residential LLC - Streeter Series
- Proof
- Prosecco
- Prostoria
- Protein Bar
- Protein Bar
- Protein Bar
- Protokulture
- Provisio Partners
- Prp Wine International, INC.
- Prudent Prospects Company
- Prysm
- Ps Salon & Spa
- Psa Management
- Psav Presentation Services
- Psd Solutions
- Psychic 3rd Eye Healing
- Psychic Wisdom Boutique
- Psychic Wisdom Boutique
- Public Storage
- Puerto Rican Cultural Center
- Pulling Down The Moon
- Pups Pet Club
- Pups Pet Club
- Pups Pet Club
- Purchasing Platform
- Pure Barre - Chicago Old Town
- Pure Barre - Streeterville
- Pure Barre Old Town
- Pure Barre Streeterville
- Pure Cleaner Valet Shop
- Pure Green
- Pure Green
- Pure Medical Spa
- Purple Innovation, LLC
- Puttshack USA INC.
- Q Cruise + Travel
- Qiao Lin Hotpot
- Qmari
- Quality Ecomm Services LLC
- Quantum 9
- Quartino
- Quartix, INC.
- Querida Designs
- Quest At British International School Of Chicago Lincoln Park
- Quest Diagnostics LLC
- Quest Food Management Services
- Quiet Logistics, INC.
- Quizno's Sub
- Quluu Coffee
- Quotepro
- Quri Andino
- Qwest Communications Company, LLC
- R S Johnson-intl Gallery INC