1st Class Security will meet your needs by providing the highest level of resource protection with highly trained and motivated employees. All of our employees are individually selected through a multiple interview process; each employee must pass an extensive background investigation & complete a comprehensive training program. This comprehensive training covers areas that meet our customer's needs.








1st Class Security is based in Sioux City, Iowa as a security guard services & private investigations company. The corporate management team offers the following leadership and experience:


  • • Over 35 years military security experience
  • • Over 30 years civilian contract security experience
  • • Over 15 years civilian law enforcement experience
  • • Over 20 years private investigative experience
  • • Anti-Terrorism/Force Protection Training
  • • Electronic Surveillance & Detection Alarm Systems Training
  • • Interviewing Techniques
  • • Surveillance Training
  • • CPR & First Aid Instructor Certification




Sioux City, Iowa | Nebraska | South Dakota | Uniformed Guard Services (Armed & Unarmed) | Resource Protection
Worker Compensation Investigations | Executive Protection | Risk Assessment Survey | Private Investigations | CPR Certification