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Contractors Business Centers

Contractors Business Centers

Construction ManagementEducation

About Us

Helping Your Construction Business Grow -The more your employees can do, the more value they bring to your business. That’s why CSLS – the leader in construction industry training, with more than 30 years of experience and 25 locations across California – is offering specially
discounted programs for organizations and businesses.
The idea is simple: Send your team members to us, and we’ll help them get the skills and certifications they need to help
with bidding, blueprints, and new types of projects.


  • Contractor Licensing
  • Blueprint Reading Course
  • EPA Certification
  • Mold Remediation Training
  • Building Code Classes


Founder and CEO David Mizener
The Team December 2017
Mary Birch Business Development Manager

Rep/Contact Info

Ernie Barberi
Director of Corporate Sales
Card image cap
Mary Birch
Business Development Manager
Karen Guiterrez
Vice President of Finance