Small Business Web Hosting and Shared Hosting and Shared Web Site Hosting solutions

BASIC
For your growing business, covering your small business web hosting needs.
* 2,000 MB Disk Space
* 40 GB Traffic
* 80 Email Addresses
* 10 Domain Aliases
* FREE Domain for a year
With 12-month pre-pay
Sign up for a Concentric BASIC hosting account.
Basic Plan Includes:

# FREE Domain for a year
# $50 Google Ad-words credit
# Web Builder
# Spam and Virus Protection
# MySQL Database
# Net Drive for managing files
# Free E-commerce and Web Apps
# 99.9% uptime guarantee
# 90-Day Money Back Guarantee

PROFESSIONAL
Add additional resources with our Pro plan. Still with better security than shared web site hosting.
* 5,000 MB Disk Space
* 75 GB Traffic
* 200 Email Addresses
* 20 Domain Aliases
* FREE Domain for a year
With 12-month pre-pay
Sign up for a Concentric PROFESSIONAL hosting account.
Professional Plan Includes:

# FREE Domain for a year
# $50 bCentral Submit It! credit
# Large allocations
# $75 Google Ad-words credit
# Web Builder
# Spam and Virus Protection
# MySQL Database
# Net Drive for managing files
# Free E-commerce and Web Apps
# 99.9% uptime guarantee
# 90-Day Money Back Guarantee

ENTERPRISE
Need even more from your business web hosting? This plan is ideal for high-end media and content-heavy websites.
* 10,000 MB Disk Space
* 100 GB Traffic
* 500 Email Addresses
* 40 Domain Aliases
* FREE Domain for a year
With 12-month pre-pay
Sign up for a Concentric ENTERPRISE hosting account.
Enterprise Plan Includes:

# FREE Domain for a year
# $150 bCentral List Builder credit
# $50 bCentral Submit It! credit
# Huge allocations
# $100 Google Ad-words credit
# Web Builder
# Spam and Virus Protection
# MySQL Database
# Net Drive for managing files
# Free E-commerce and Web Apps
# 99.9% uptime guarantee
# 90-Day Money Back Guarantee

Account Features

# Private Domain Registration
# 24/7 In-house support team
# 99.9% SLA and 3 month money-back Guarantee
# SSL secured access to all account features (WebMail, Control Panel, POP3, SSH, etc)
# Shared SSL secure server & 128-bit encryption
# DNS Manager
# CGI directory & script library
# Easily install leading web applications and ecommerce solutions
# Web-based account control panel
# Automated file recovery from snapshot
# PHP 5, Perl, Python
# MySQL and administration interface
# PayPal® ecommerce Integrated
# Web Builder
# Server Side Includes (SSI)
# Access to raw log files
# Real-time site stats
# Site stats emailed "D/W/M"
# FTP account access
# Net Drive (WebDAV) file access
# Password protected directories
# FrontPage extensions

Benefits of unique patented Clustered Hosting Platform:

# Load balancing ensures site response to heavily trafficked sites
# Hardware fail over ensures availability
# Resources on Demand
# Site and CPU Scalability “beyond a box”
# DoS attack protection
# Virtual Dedicated Environment
# Account isolation to protect you from bad neighbors
# Control Panel for real-time account changes
# File recovery from snapshot

Reference:
_http://www.concentric.com/hostingClustered.php