NAICS 212312: This U.S. industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying crushed and broken limestone (including related rocks, such as dolomite, cement rock, marl, travertine, and calcareous tufa); and (2) preparation plants primarily engaged in beneficiating limestone (e.g., grinding or pulverizing).

Examples:

  • Agricultural Limestone Mining And/or Beneficiating
  • Calcareous Tufa Crushed And Broken Stone Mining And/or Beneficiating
  • Cement Rock Crushed And Broken Stone Mining And/or Beneficiating
  • Chalk Crushed And Broken Stone Mining And/or Beneficiating
  • Chalk, Ground Or Otherwise Treated, Mining And/or Beneficiating
  • Dolomite Crushed And Broken Stone Mining And/or Beneficiating

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SOUTH GLOBE SPILLWAY ROCK Last updated 5 days ago / Department of the Interior
Solicitation
Due 8/22/18

SOUTH GLOBE SPILLWAY ROCK read more

Aggregate Base Course Stone and Clean Washed Sand Last updated 1 week ago / Department of the Navy
Solicitation
Due 8/24/18

Please see attached solicitation for requirement details. read more