Intec Billing
Offers operational support systems, access billing, and retail billing services for telecommunications carriers and other businesses worldwide.
http://www.intec-telecom-systems.com/

Integrated Billing Systems, Inc.
Joomla! - the dynamic portal engine and content management system
http://www.myibs-inc.com/

Billworx Medical Billing Systems
Billworx
http://www.billworx.com/

Linden Billing Systems and Services Inc
Office billing outsourcing company specializing in practice management.
http://www.lindenbilling.com

UMS UBSplus
Offers billing systems for utility industries to simplify customer care, billing, and payment collection processes.
http://www.udsinc.com/

CTI Group
Welcome to CTI Group | US Website
http://www.ctigroup.com/

MD Billing Service
Medical Billing Service serving the Bay Area and the San Joaquin Valley
http://www.ams-mdbs.com

American Billing Systems, Inc.
Offers a business opportunity for medical and general billing via the internet. Site includes FAQ, contact form and testimonials.
http://www.americanbilling.com

Interconnect Billing Systems
Offers scalable interconnect billing and settlement solutions for fixed, wireless and Internet operators in Europe.
http://www.iconxsolutions.com/

MedEx Billing, Inc.
MedEx Medical Billing, Ambulance Billing
http://www.medexbilling.com/