SIC 5033-digit industry group · SIC 1987

SIC Code 503: Lumber and Construction Materials

The SIC code for Lumber and Construction Materials is 503.

Lumber and Construction Materials industry group (SIC 503) comprises establishments engaged in lumber and construction materials activities as classified under the US Standard Industrial Classification system.

Lumber and Construction Materials falls under SIC Major Group 50: Durable Goods – Wholesale in Wholesale Trade.

SIC Industries

503

SIC Code

SIC 50 — Durable Goods – Wholesale

Classification

SIC Industries (4-digit)

SIC Code	Industry Title	NAICS Code
5031	SIC 5031 — Lumber, Plywood, Millwork, and Wood Panels	NAICS 42331
5032	SIC 5032 — Brick, Stone, and Related Construction Materials	NAICS 42332
5033	SIC 5033 — Roofing, Siding, and Insulation Materials	NAICS 42333
5039	SIC 5039 — Construction Materials, Not Elsewhere Classified	NAICS 42339

SIC 1987

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Other Industry Groups in SIC 50

SIC 501 — Motor Vehicles, Parts, and Supplies4 industries

SIC 502 — Furniture and Homefurnishings2 industries

SIC 504 — Professional and Commercial Equipment7 industries

SIC 505 — Metals and Minerals, Except Petroleum2 industries

SIC 506 — Electrical Apparatus and Equipment3 industries

SIC 507 — Hardware, Plumbing, Heating Equipment and Supplies4 industries

SIC 508 — Machinery, Equipment, and Supplies6 industries

SIC 509 — Misc Durable Goods5 industries

Need the NAICS equivalent? convert a SIC code to NAICS using the mapping table — SIC 1987 four-digit industries paired with NAICS 2022 at the five-digit industry level, with coverage gaps stated.