The following Product Service Codes (PSCs) are commonly associated with NAICS 423310, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

PSC 5510 Lumber and Related Basic Wood Materials

Products

PSC 5680 Miscellaneous Construction Materials

Products

PSC 9510 Bars and Rods

Products
Federal Category 5.6: Industrial Products & Services Basic Materials

Includes
Metal Bars and Rods

Excludes
Muck Bar (FSC 9640); Rods for Wire (FSC 9640); Sheet Bar (FSC 9640); Threaded Rods (FSC 5306); Grooved Rod (FSC 5340).

Notes
This class contains bulk material only. Specially designed items should be placed in a more appropriate class. a. Bars are elongated pieces of metal of simple uniform cross-sections usually rectangular, circular, or hexagonal produced by forging or hotrolling, also known as barstock. b. Rods are thin round metal bar, differentiated by dimensional parameters, listed in the item name definition.

Possible NAICS Codes
332111 – Iron and Steel Forging
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
488190 – Other Support Activities for Air Transportation
331315 – Aluminum Sheet, Plate, and Foil Manufacturing
331221 – Rolled Steel Shape Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
332312 – Fabricated Structural Metal Manufacturing
331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
423510 – Metal Service Centers and Other Metal Merchant Wholesalers
333310 – Commercial and Service Industry Machinery Manufacturing

PSC 9515 Plate, Sheet, Strip, Foil, and Leaf

Products
Federal Category 5.6: Industrial Products & Services Basic Materials

Includes
Armor Plate; Black Plate; Floor Plate; Leaf; Perforated Sheet and Strip; Shim Stock.

Excludes
Bale Ties (FSC 8135); Baling Bands (FSC 8135); Mending Plates (FSC 5340); Mounting Plates (FSC 5340); T Plates (FSC 5340).

Notes
This class contains bulk material only. Specially designed items should be placed in a more appropriate class. The items covered by this class are all similar in that they are flat, generally rolled metal, the difference is covered by dimensional parameters in the item name definition.

Possible NAICS Codes
331221 – Rolled Steel Shape Manufacturing
331110 – Iron and Steel Mills and Ferroalloy Manufacturing
331315 – Aluminum Sheet, Plate, and Foil Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
488190 – Other Support Activities for Air Transportation
332322 – Sheet Metal Work Manufacturing
332321 – Metal Window and Door Manufacturing
332313 – Plate Work Manufacturing
333618 – Other Engine Equipment Manufacturing
332312 – Fabricated Structural Metal Manufacturing

PSC 3460 Machine Tool Accessories

Products

PSC 5675 Nonwood Construction Lumber and Related Materials

Products

PSC J055 Maint/Repair/Rebuild of Equipment—Lumber, Millwork, Plywood, and Veneer

Services

PSC 5670 Building Components, Prefabricated

Products
Federal Category 4.1: Facilities & Construction Construction Related Materials