Werner 400 Series Aluminum Stepladders 375 lb rated up to 12' / 14' & 16" are 300 lb rated - Industrial Ladder & Supply Co., Inc.
ORIENTOOLS Ladder Work Platform, Ladder Work Attachment,Ladder Accessory with 375-Pound Rated,Ladder Work Attachmen for Range 10.6"-12" (270mm~305mm) - Amazon.com
Werner 10 Ft. Fiberglass Step Ladder with 300 Lb. Load Capacity Type IA Ladder Rating - Bliffert Lumber and Hardware
Ladder Platform Ladder Accessories, Extension Ladder Work Platform Anti-slip, Ladder Tool Tray Painters Platform, Ladder Shelf In Step Ladders Ladder Accessory Platform 400-pound Rated (silver) - Temu
Aluminum Telescopic Ladder, Multi-Purpose Telescopic Ladder, Collapsible Ladder Extension,Max Extension Reach 17 ft with Two Wheels,Rated Load 300 Lbs (Load Capacity Type IA - Amazon.com