20 active contract opportunities
20
Oportunidades Activas
1
Publicadas Últimos 7 Días
30 días
Ventana de Respuesta Prom.
The North American Industry Classification System (NAICS) code 212312 covers crushed and broken limestone mining and quarrying. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.