International Union Of Operating Engineers Local Union 542

International Union Of Operating Engineers Local Union 542 is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Engineers
• Engineers Technical Service
• Labor Organizations

North American Industry Classification System (NAICS) Categories:

• Engineering Services > Industrial Engineers > Engineers Technical Service
• Labor Unions And Similar Labor Organizations

Standard Industry Classification (SIC) Categories:

• Labor Unions & Similar Labor Organizations
• Engineering Services > Engineering Services, Nec > Engineers Technical Service