CSLB License #725052 • In business since 1996 Urgent structural condition? Call 877-7-CALTRON

Caltron Construction - Greater Los Angeles

About Caltron Construction

Ruben Gamerberg, owner - Caltron Construction
Ruben Gamerberg, owner - Caltron Construction

Caltron Construction is a CSLB-licensed, owner-led general contractor serving Greater Los Angeles and selected Southern California markets. The company has been in business since 1996; California CSLB License #725052.

Responsibility stays close to the work

Owner Ruben Gamerberg stays directly involved when projects require quick judgment, coordinated problem-solving and clear responsibility. Caltron is built to handle unusual field conditions and scopes that cross structural, building-system and operational boundaries.

California contractor classifications

Caltron’s reported classifications include General Engineering (A), General Building (B), Electrical (C10), Glazing (C17), Plumbing (C36), Structural Steel (C51) and Swimming Pool (C53).

What clients can expect

Caltron’s experience includes industrial and advanced manufacturing facilities, warehouse improvements, structural reinforcement, mission-critical technical rooms, commercial and retail build-outs, ground-up construction and selected residential work.

Bring Caltron into the project early.

Share the facility condition, schedule constraint or planned scope. Ruben Gamerberg will help identify the practical next step.