541611    Administrative Management and General Management Consulting Services

541614    Process, Physical Distribution, and Logistics Consulting Services

541618    Other Management Consulting Services

541620    Environmental Consulting Services

541690    Other Scientific and Technical Consulting Services

541990    All Other Professional, Scientific, and Technical Services

561612    Security Guards and Patrol Services

561621    Security Systems Services (except Locksmiths)

611310    Colleges, Universities, and Professional Schools

611519    Other Technical and Trade Schools


Product & Service Codes (PSC):

4240   Safety and Rescue Equipment

8415   Clothing, Special Purpose

R429   Support- Professional: Emergency Response, Disaster Planning, and Preparedness Support

N063   Installation Of Equipment- Alarm, Signal, and Security Detection Systems

S211   Housekeeping- Surveillance

R430   Support- Professional: Physical Security and Badging