Training Options for April 2025

Peter Lawton of LeadSMART in Mansfield Training Room

We're pleased to offer the use of our Training Room in Mansfield for your required CSL Training. National Lumber is NOT responsible for the training being offered.


Outside training companies offer classes in our Mansfield Training Room and some also offer online learning. You must contact the outside training company to register for their classes. Scroll down to see the section for each professional training company.


Each of these companies offer the required course for your unrestricted CSL, restricted CSL (10 CEU) or specialty CSL (6 CEU) to meet your minimum requirements for license renewal. Certificate issued at completion of course.


National Lumber hosts classes in our second floor Training Room (elevator available) at 245 Oakland St, Mansfield, MA. (Map and Directions) Please park on the side of the building or on the side street, not in the parking area near the front entrance that is for customers.

Construction Safety Institute of New England

Construction Safety Institute of New England

CSL In-Person Training


April 10 & 12


To register for upcoming classes please email Phil Sheehan or call 508-208-2631. Click here to learn more about Construction Safety Institute of New England

Construction Supervisor Institute (CSI) logo

CSI Institute

CSL In-Person & Online Training




April 2, 7:30am–2pm Click on date to register


To learn more about upcoming training classes email Cathy at Construction Supervisor Institute or call 978-566-1366.

LeadSMART logo

LeadSMART Training Solutions

CSL In-Person Training




April 8 & 9, 8am–3pm Click on date to register


Coffee, donuts in AM with a hearty lunch always included in all our CSL classes.


To learn more about upcoming training classes email Sue at LeadSMART or call 888-731-LEAD [5323].

Contractor Coaching Partnership logo

The Contractor Coaching Partnership

CSL In-Person Training


April 30 & May 1, 8am–3pm Click on date to register


Class starts promptly at 8am - Please be on time!

Coffee, Pastries and Lunch Included


Mark Paskell (#CSL-CD-0075) Training Instructor, OSHA certified outreach trainer, EPA/RRP and MA RRP approved instructor.


To learn more about upcoming training classes email Mark at The Contractor Coaching Partnership or call 978-422-6354.

DISCLAIMER: Builders FirstSource is NOT responsible for the training being offered and you must contact the outside training company to register for their classes. Builders FirstSource is sharing this information for your convenience. By clicking on the links, you will be taken to another company's website or to information they have provided for us to share with you

Builders FirstSource logo


Find a location near you!