- F.H. Cann & Associates, Inc.
- Fabrication Services, Inc.
- Fab Tech Wastewater Solutions, LLC
- Facility Services Management, Inc.
- Faircloth Forest Products, Inc.
- Fairway Holdings, Inc.
- Falcon Contracting, Inc.
- Falcon Express Transportation, Inc.
- Falcon Research, Inc.
- Falon Sourcing Solutions LLC
- Faraday Software, Inc.
- Farfield Systems, Inc.
- Farmshed Collective, LLC
- FB Environmental Associates, LLC
- FCE Enterprises WithHolding, LLC
- FDAID LLC
- FDM SERVICES LLC
- Fed Biz Advisor, LLC
- FEDCON Solutions, LLC
- Federal Defense Solutions, Inc.
- Federated IT, Inc.
- Ferrantello Land Surveying, P.C.
- Few Editorial & Creative Suite, LLC
- FGP-Atelier International LLC
- Fidelman & Co, Inc.
- Film Works Window Film, LLC
- Financial Crimes Investigative Compliance & Security, LLC
- Finger Lakes Extrusion Corp
- Fire Detection Unlimited, Inc.
- Firebird Tech Partners LLC
- Firewatch Solutions LLC
- Firm-6, Inc.
- First-Call Medical, Inc.
- First Consulting, Inc.
- First Healthcare Products Inc
- First Impressions Premier Cleaning Services LLC
- First Light Properties LLC
- First Source Inc
- FirstServe Leaders Inc
- Flat Earth, Inc. [DBA SensorLogic]
- First Eye Films Inc
- Fleetwood Media Productions, Inc.
- FlexBiosys Inc
- Flock Off, LLC
- Flooring 323 Inc
- Florida Door Control of Orlando Inc
- Fluent LLC
- Fly Line Productions, Inc.
- Flying Diamond Controls LLC
- FocalCXM, LLC
- Focused Beam Inc.
- Focused Management Inc
- Foncham Enterprises, LC
- For His Glory Consulting, LLC
- For Home Matters, LLC
- Forever A Dreamher, LLC
- Fortress Software Group, Inc.
- Forward Van Lines
- Forza Analytics LLC
- Foundry Creative, LLC
- Foxtrot Construction, Inc
- Foxx Professionals, LLC
- Franklin Logistics [WCN Properties, L.P.]
- FREDERICO Demolition LLC
- Fredrick Oak Consulting, LLC
- Freedom Interior Solutions LLC
- Freight Management LLC
- FreMarq Innovations, Inc.
- Fresh Air Filtration Systems, Inc.
- Friends From The City, LLC
- Froelich Consulting Engineers Inc
- Front Range IBN LLC
- Frontier Lawncare and Landscape, LLC
- FSW Services Corp
- FTH Dimension Solutions, LLC
- Fulcrum Concepts, LLC
- Full Range Rehab, LLC
- Funari Corp.
- Furniture Installation & Service Technicians LLC
- Fuselab Creative, LLC
- Fusion Industries, LLC
- Fusionpoint, Inc.
- Futrend Technology Inc
- Future iQ, Inc.