| OSOM Stone, Inc. 1 | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| OSOM Stone, Inc. 2 | Elberton | GA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| OOPTA-Adrian | Adrian | MI | Nonmetallic Mineral Product Manufacturing327410 | 1-19 | ◐ LIKELY ACTIVE |
| OBOpta Birmingham Plant | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327992 | 1-19 | ◐ LIKELY ACTIVE |
| OOPTA-Cortland | Cortland | OH | Nonmetallic Mineral Product Manufacturing327992 | 1-19 | ◐ LIKELY ACTIVE |
| OEOPTA East Chicago Plant | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327992 | 1-19 | ◐ LIKELY ACTIVE |
| OOPTA-Keeseville | Keeseville | NY | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ◐ LIKELY ACTIVE |
| OOPTA-Warren | Warren | OH | Nonmetallic Mineral Product Manufacturing327992 | 1-19 | ◐ LIKELY ACTIVE |
| OPOregon Portland 6040 North Cutter Circle | Portland | OR | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| OROregon Redmond 1263 SW Lake Rd | Redmond | OR | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| OHOrmrod HMA Plant | Coplay | PA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| OWOTHD Willamette Graystone | North Bend | OR | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
Outdoor Creations Inc. - LOC 01 | Anderson | CA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
Outdoor Creations, Inc. - LOC 03 | Anderson | CA | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◐ LIKELY ACTIVE |
| PSP11 Shallotte | Supply | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PRP13 Rock Hill | Rock Hill | SC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PHP14 Hickory | Hickory | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PLP15 Landis | China Grove | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PRP3 Rocky Mount | Rocky Mount | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PWP6 Wallace | Wallace | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PHP7 Holly Ridge | Holly Ridge | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PLP8 Lillington | Lillington | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PDP9 Denver | Denver | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PCPacific Clay Products, Inc. Castaic | Castaic | CA | Nonmetallic Mineral Product Manufacturing327120 | 1-19 | ◐ LIKELY ACTIVE |
| PBPacor - BC | Bessemer City | NC | Nonmetallic Mineral Product Manufacturing327993 | 1-19 | ◐ LIKELY ACTIVE |
| PPPahrump Plant #74 | Pahrump | NV | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| PFParker Ford | Parker Ford | PA | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| PMPatten Monument of Indiana | Warsaw | IN | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| PPc-q | Irving | TX | Nonmetallic Mineral Product Manufacturing327332 | 1-19 | ◐ LIKELY ACTIVE |
| PCPDXC Custom Building Products | Aurora | OR | Nonmetallic Mineral Product Manufacturing327999 | 1-19 | ◐ LIKELY ACTIVE |
| PWPDXD Willamette Graystone | Tualatin | OR | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| PCPhlp Cst | Pedricktown | NJ | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| PCPhoenix-3mus-c/o Cognizant US | Phoenix | AZ | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ◐ LIKELY ACTIVE |
| PAPHXD Arizona Best Block | Phoenix | AZ | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 11 Burnsville | Burnsville | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 120 - South Meridian | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 12 - Claremore | Claremore | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 130 - Yukon | Yukon | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 14 Weaverville | Weaverville | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 150 - Rockwell | Edmond | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 160 - Waterloo | Edmond | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 18 Pond Road | Asheville | NC | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P1Plant 190 - Kelly | Edmond | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P2Plant 2 | Gold Canyon | AZ | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P2Plant 200 - Norman | Norman | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P2Plant 210 - Pole | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P2Plant 21 - Muskogee | Muskogee | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P2Plant 22 - Bartlesville | Bartlesville | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P2Plant 230 - High | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| P2Plant 23 - Pryor | Pryor | OK | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |