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  1. APA-Certified Manufacturer

Swanson Group Mfg. LLC

APA Certification

This manufacturer participates in APA’s quality assurance program, with ongoing third-party inspection to verify its engineered wood products meet recognized industry standards and deliver consistent performance — built to meet the mark.

Engineered Wood Products Manufactured

Structural
  • Sheathing & Rated Sheathing
  • Structural I
  • Rated Sturd-I-Floor
  • Underlayment
Exterior Siding
  • Siding & Rated Siding
  • APA 303 Siding
Concrete Form
  • Plyform
  • MDO Concrete Form
Specialty
  • Marine
  • MDO-General
  • Sanded
  • Plyron
  • HDO-Industrial
Custom & Other
  • Custom Products (i.e. V-Series)

APA-Certified Plant Locations

Mill numbers correspond to the number shown in the APA trademark stamp on certified products.

Oregon

Glendale, OR - Mill # 433 - Plywood

Springfield, OR - Mill # 519 - Plywood