- Au Bon Pain
- Florian Hair Styling
- Fluke Weiers
- Foedisch & Free Inc
- Fogarty Group
- Foot Locker
- Forbes Street Assocs
- Ford & Council
- Fort Pitt Blockhouse
- Fort Pitt Candy Co
- Fort Pitt Museum
- Fortune Mortgage Banking Co
- Fortune's Coffee Roastery
- Forward Labs LLC
- Foster Associates Appraisals
- Foster Grandparent Program
- Foto Hut
- Four Com Inc
- Fox Rothschild
- Frank Gates Svc Co
- Frank Mance Plating Svc
- Franklin Interiors
- Frediani Printing Co
- Freemarkets Inc
- Fried KANE Walters Zuschlag
- Frost & Co
- FSC Marketing Communications
- Fu Lai Chinese Restaurant
- Fudgie Wudgie Fudge Co
- Fukui Architects
- Full Tilt Solutions Inc
- Furniture Emeritus
- Futures Employment Agency
- G W Resources Inc
- Gabler & Assoc
- Gabriel Shoe Repair
- Gaca Matis Baum & Rizza
- Galletta Engineering Corp
- Gamblers Anonymous
- Gamma Sports
- Gamut International Inc
- Garcia Jewelers
- Garrison Institutional Asset
- Gary Frye's Barber Shop
- Gateway Capital Funding Inc
- Gateway Center Cafeteria
- Gateway Cost Management LLC
- Gateway Eye Assoc
- Gateway Financial Group
- Gateway Management Group Inc
- Gateway Towers Parking Garage
- Gateway Towers The Condominium
- Gateway Trizec Inc
- Gciu
- Gefsky & Lehman
- Gefsky& Lehman Law Firm
- GEH Consulting
- Geico Insurance
- Gelston Graphics
- Gemgroup
- Gen America Financial
- Gene Sanes Upholstery
- Gene's Last Chance
- General Alarm Systems Inc
- GENERAL Nutrition Ctr
- General Nutrition Ctr
- General Service Dept
- Genovese Custom Clothing
- George S Aiken Co
- George's Tailor Shop
- Geraldine Skupien Law Offices
- Gerard-Nagar Assoc Architects
- Getronics Red Siren
- Geyer & Geyer Graphic Design
- Giant Ideas
- Giant Ideas
- Giggles
- Giggles
- Gilardi Cooper & Lomupo
- Gilardi Cooper & Lomupo
- Gilda's Club Western Pa
- Gilda's Club Western Pa
- Girl Scouts
- Girl Scouts
- Gleason & Assoc
- Gleason & Assoc
