Ameren

Ameren is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Cable Television Companies & Services
• Electric Companies
• Gas Utility Companies
• Telephones Communications Services
• Utility Companies

North American Industry Classification System (NAICS) Categories:

• Electric Power Distribution
• Natural Gas Distribution > Natural Gas Companies
• Cable And Other Subscription Programming
• Wired Telecommunications Carriers > Local & Long Distance Telephone Service

Standard Industry Classification (SIC) Categories:

• Telephone Communications, Except Radio > Local & Long Distance Telephone Service
• Cable & Other Pay Tv Services
• Electric Services
• Gas Production &/Or Distribution
• Combination Utilities, Nec