Quoquam Technologies
- Offers web design and development, ERP solutions, data warehousing, and infrastructure management.
- http://www.quoquam.com/

Quicksilver Learning Systems Ltd
- An IT training and consultancy company based in Sheffield, UK, specialising in object oriented and e-commerce technologies.
- http://www.quicks.demon.co.uk

Quanteq Technology Services
- Providers of systems integration, business integration, enterprise application integration services, e-Business/e-Government services, and network consulting.
- http://www.quanteq.com

Qualvox Corporation
- Provides consulting services aimed at converged communications, telecommunications, software design, electronics design, and project management.
- http://www.qualvox.com

Quadtec Solutions, Inc.
- Consulting firm offering all IT-related services, from network design and software development to user-end support, training and outsource resource management.
- http://www.quadtec.com/

Quantum Solutions
- Information technology consulting.
- http://www.quansolutions.com/

Quocirca Ltd
- Business and IT advisory company, providing corporate insights into CRM, ASPs, MarketPlaces, and eCommerce.
- http://www.quocirca.com

Quantum Technology Inc.
- Information technology consultants providing services in data communications, local and wide area networks, systems configuration,imaging, computer telephony, project management and financial services.
- http://www.quantechinc.com

Quality Plus Technologies
- Consultants and trainers in function point analysis, productivity and quality measurement, software process improvement and project estimating. Consult worldwide.
- http://www.qualityplustech.com/

Quorum Business Solutions, Inc.
- Consulting company dedicated to finding appropriate IT solutions for its clients.
- http://www.qbsol.com/