Osc4biz
- Provides osCommerce related services package: development, customization, add-ons installation, templates creation and implementation, hosting, consulting and custom e-commerce solutions.
- http://osc4biz.com

osCommerce India
- osCommerce services from basic setup to customisation and installation of contributions.
- http://www.oscommerceindia.com

J. G. Briggs & Company
- Installation and customization services for osCommerce stores. Template and contribution installation on existing osCommerce sites.
- http://www.jgbriggscompany.com

Gigabyte-hosting
- Offering osCommerce hosting, technical support, and custom coding.
- http://gigabyte-hosting.com/

McGinTech Solutions
- Specialize in ecommerce design utilizing osCommerce.
- http://www.mcgintech.com

eShopFitters
- osCommerce development, including: adding new contributions, search engine optimisation and general bespoke OSC software development.
- http://www.eshopfitters.co.uk/

EPC En-Powering Commerce solutions
- Specialises in customising osCommerce.
- http://www.e-pc.com.au

Aptcode Software
- osCommerce site design and contribution installation. Custom coding and general osCommerce support services.
- http://www.aptcode.com

Attitude osCommerce
- osCommerce customization, support and installation services.
- http://www.oscommerce.co.nz/