# Concrete Block and Brick Manufacturing (NAICS 327331)

Canonical: https://abierto.us/industries/327331

Federal contract opportunities under NAICS 327331. 3 opportunities in the window, 1 open now.

## Open now (1)

- FWS UNION SLOUGH NWR - CULVERT SUPPLIES (140F1S26Q0143), US Fish and Wildlife Service, due September 21, 2026 at 5:00 PM EDT. https://abierto.us/opportunities/140f1s26q0143

## Recent (2 in all)

- August 17, 2026: Concrete Pavers (12444126Q0059), combined synopsis and solicitation. https://abierto.us/opportunities/12444126q0059
- August 12, 2026: Mat Casting Industry Day (W912EQ26SN001), special notice. https://abierto.us/opportunities/w912eq26sn001

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Sources: SAM.gov Contract Opportunities extract and USAspending.gov award data. Cite https://abierto.us/industries/327331.