Email Us

info@npdes.com

(888) 397-9414

9:00am EST–4:00pm PST

Office Hours

M–F, 9:00am–4:00pm EST

Classes

Register Here

Email Us

info@npdes.com

(888) 397-9414

9:00am EST–4:00pm PST

Office Hours

M–F, 9:00am–4:00pm EST

Classes

Register Here

Email Us

info@npdes.com

 


Class Registration Calendar

22
Apr
2026

CSI-Industrial Midwest Online (CT)

04-22-2026 8:00 am -4:00 pm
Online Webinar
$399 + registration
23
Apr
2026

CSI-MS4 Georgia/Florida (ET)

04-23-2026 8:30 am - 04-24-2026 4:30 pm
Online Webinar
$799 + registration
23
Apr
2026

CSI-MS4 Puerto Rico (ET)

04-23-2026 8:30 am - 04-24-2026 4:30 pm
Online Webinar
$799 + registration
27
Apr
2026

CSI-MS4 Louisiana (CT)

04-27-2026 8:30 am - 04-28-2026 4:30 pm
Online Webinar
$799 + registration
27
Apr
2026

CSI-MS4 Texas (CT)

04-27-2026 8:30 am - 04-28-2026 4:30 pm
Online Webinar
$799 + registration
30
Apr
2026

CSI-MS4 New Jersey/New York (ET)

04-30-2026 8:30 am - 05-01-2026 4:30 pm
Online Webinar
$799 + registration
04
May
2026

CSI-MS4 California/Hawai'i (PT)

05-04-2026 8:30 am - 05-05-2026 4:30 pm
Online Webinar
$799 + registration
06
May
2026

CSI Construction Re-Certification

05-06-2026 10:30 am -4:30 pm
Online Webinar
$299 + registration
07
May
2026

CSI-MS4 North Carolina (ET)

05-07-2026 8:30 am - 05-08-2026 4:30 pm
Online Webinar
$799 + registration
07
May
2026

CSI-MS4 South Carolina (ET)

05-07-2026 8:30 am - 05-08-2026 4:30 pm
Online Webinar
$799 + registration