Many telephone employees are members of unions, and union membership may be required. The Communications Workers of America and International Brotherhood of Electrical Workers are two unions representing many workers. The Society of Cable Telecommunications Engineers and Women in Cable Telecommunications are membership organizations for telecommunications professionals that offer continuing education classes, networking opportunities, and other resources. The Telecommunications Industry Association is a trade association for information and communications technology companies.
- Boilermakers and Mechanics
- Cable Television Technicians
- Chemical Engineers
- Civil Engineers
- Computer and Office Machine Service Technicians
- Computer Network Administrators
- Computer Programmers
- Computer Support Specialists
- Computer Systems Programmer/Analysts
- Customer Service Representatives
- Electrical Engineering Technologists
- Electrical Engineers
- Electricians
- Electronics Engineering Technicians
- Electronics Engineers
- Electronics Service Technicians
- Energy Conservation Technicians
- Energy Consultants
- Energy Transmission and Distribution Workers
- Engineering Technicians
- Engineers
- Fiber Optics Technicians
- Geotechnical Engineers
- Geothermal Energy Industry Workers
- Geothermal Production Managers
- Geothermal Technicians
- Groundwater Professionals
- Hydroelectric Plant Technicians
- Hydroelectric Production Managers
- Hydropower and Marine Energy Industry Workers
- Internet Developers
- Internet Security Specialists
- Line Installers and Cable Splicers
- Meter Readers, Utilities
- Microelectronics Technicians
- Network Operations Center Engineers
- Network Operations Center Technicians
- Non-Destructive Testing Specialists
- Plumbers and Pipefitters
- Power Plant Workers
- Renewable Energy Careers
- Software Application Developers
- Telecommunications Network Engineers
- Telephone Operators
- Traffic Engineers
- Wastewater Treatment Plant Operators and Technicians
- Water/Wastewater Engineers
- Wind Energy Engineers
- Wind Energy Operations Managers
- Wind Energy Project Managers
- Wireless Service Technicians