Group of professional adults in an outdoor training setting

Professional Continuing Education You Can Count On

Serving private investigators, security managers, alarm installers, and locksmiths since 1998 — across Texas, Tennessee, Kentucky, and New Mexico.

✔ Founded 1998 ✔ 50+ Courses ✔ 4 State Approvals ✔ Business Lic #F01366 ✔ School Lic #Y00101

Built for the Professionals Who Protect

In 1998, Marian Hoy founded Classen-Buck Seminars, Inc. II as a distance training facility with a single mission: deliver the most pertinent, relevant continuing education possible to the professionals who keep communities safe.

We work directly with state commissions throughout the U.S. to ensure every student receives the correct, accurate, and mandated number of training hours — no guesswork, no gaps.

Courses Written the Way You Learn

Every course is researched and developed using the most current, accurate data available — then written in a format that's readable, practical, and immediately useful on the job.

Don't see what you need? Call us at 512-265-6325. We listen to our students and will research and develop a course to meet your specific requirements.

50+
Courses Available
4
States Approved
27
Years in Business
4
Professions Served

Explore Our Course Catalog

State-approved continuing education built for your license renewal requirements.

Private Investigator CE

Continuing Education

Stay current with the laws, ethics, and investigative practices required for your PI license renewal.

Security Manager Training

Continuing Education

Leadership, liability, and operational best practices for security managers across all sectors.

Alarm Installer Certification

Continuing Education

Code compliance, installation standards, and customer communication for alarm professionals.

Locksmith CE

Continuing Education

Technical updates, legal requirements, and business practices for licensed locksmiths.

Ethics & Legal Updates

Multi-License

Cross-discipline ethics and legal refresher applicable to multiple license categories.

Business Practices

Multi-License

Professional business operations, customer relations, and compliance for licensed contractors.

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State-Approved Training

Classen-Buck II is approved in the following states. Don't see yours? Contact us — we'll work with your state commission directly.

Texas Tennessee Kentucky New Mexico
📞 512-265-6325  |  ✉ support@nuvola-networks.com

Ready to Earn Your CE Hours?

Browse 50+ state-approved courses and enroll today. Questions? We're one call away.

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