Data / Mines / Quikrete Holdings Inc.
Quikrete Holdings Inc.: 30 open mines, 2,538 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Quikrete Holdings Inc. (MSHA controller ID M12812) controls 30 open mines through 6 operators, with 1,299 employees in 16 states, mostly construction sand and gravel. Since January 1, 2022 MSHA issued 2,538 citations and orders at those mines with $3,457,195 in proposed penalties, and operators reported 141 injury or illness cases. Data from MSHA, November 6, 2026.
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- MSHA controller ID
- M12812
- Open mines
- 30
- Operators
- 6
- Employees
- 1,299
- States
- 16
- Citations and orders since January 1, 2022
- 2,538
- Significant and substantial
- 367 (14.5%)
- Closure orders
- 45
- High negligence or reckless
- 165
- Proposed penalties
- $3,457,195
- Amount paid so far
- $2,651,135
- Inspections
- 525
- Inspector hours on site
- 10,334
- Citations per inspection
- 4.83 (all mines 2.30)
- Accident reports
- 152
- Injury and illness cases
- 141
- Fatalities
- 0
- Latest MSHA record
- October 29, 2026
Operators under Quikrete Holdings Inc.
| Operator | Open mines | Employees | Citations since 2022 | Proposed penalties | Injury cases |
|---|---|---|---|---|---|
| American Materials Company,LLC | 11 | 65 | 77 | $18,656 | 5 |
| Monarch Mountain Minerals & Aggregates, LLC | 7 | 39 | 136 | $44,686 | 1 |
| Quikrete Construction Materials, LLC | 6 | 638 | 1,341 | $2,423,487 | 83 |
| Continental Cement Company, LLC | 4 | 532 | 956 | $966,162 | 49 |
| Western Aggregates L.L.C. | 1 | 13 | 24 | $3,644 | 2 |
| Georgia Stone Products, LLC | 1 | 12 | 4 | $560 | 1 |
Mines with the most citations
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Martinsburg | Quikrete Construction Materials, LLC | Berkeley County, WV | Cement | 141 | 614 |
| Hannibal Underground | Continental Cement Company, LLC | Ralls County, MO | Cement | 141 | 589 |
| Newberry Cement Plant | Quikrete Construction Materials, LLC | Alachua County, FL | Crushed, broken limestone | 110 | 262 |
| Harleyville Mine & Plant | Quikrete Construction Materials, LLC | Dorchester County, SC | Cement | 130 | 252 |
| Davenport Plant | Continental Cement Company, LLC | Scott County, IA | Cement | 114 | 205 |
| Argos Roberta Plant | Quikrete Construction Materials, LLC | Shelby County, AL | Cement | 169 | 169 |
| Midlothian Quarry and Plant | Continental Cement Company, LLC | Ellis County, TX | Cement | 274 | 156 |
| Lasm-2095 | Monarch Mountain Minerals & Aggregates, LLC | Clark County, NV | Construction sand and gravel | 7 | 54 |
| Tampa Cement Grinding Plant | Quikrete Construction Materials, LLC | Hillsborough County, FL | Cement | 42 | 30 |
| D41 | Western Aggregates L.L.C. | Maricopa County, AZ | Construction sand and gravel | 13 | 24 |
| Aquilla | Monarch Mountain Minerals & Aggregates, LLC | Hill County, TX | Construction sand and gravel | 9 | 22 |
| Dixiana Mine | American Materials Company,LLC | Lexington County, SC | Construction sand and gravel | 8 | 19 |
| Houm2, Altair | Monarch Mountain Minerals & Aggregates, LLC | Colorado County, TX | Sand, common | 7 | 19 |
| Edisto Sand Mine | American Materials Company,LLC | Colleton County, SC | Construction sand and gravel | 5 | 15 |
| Atlanta Plant | Quikrete Construction Materials, LLC | Fulton County, GA | Cement | 46 | 14 |
| Denm | Monarch Mountain Minerals & Aggregates, LLC | Weld County, CO | Construction sand and gravel | 2 | 14 |
| Cerrito Pelado | Monarch Mountain Minerals & Aggregates, LLC | Santa Fe County, NM | Pumice | 4 | 12 |
| Andrews Quarry | American Materials Company,LLC | Williamsburg County, SC | Dimension limestone | 1 | 11 |
| Sumter Sand | American Materials Company,LLC | Sumter County, SC | Construction sand and gravel | 9 | 8 |
| Monarch Mountain Acton | Monarch Mountain Minerals & Aggregates, LLC | York County, ME | Construction sand and gravel | 3 | 8 |
| Glass Mountain Pumice | Monarch Mountain Minerals & Aggregates, LLC | Modoc County, CA | Pumice | 7 | 7 |
| Greenville #2 Brown Mine | American Materials Company,LLC | Pitt County, NC | Sand, common | 7 | 7 |
| Owensville Plant | Continental Cement Company, LLC | Gasconade County, MO | Clay, ceramic, refractory mnls. | 3 | 6 |
| Black Creek Sand Mine | American Materials Company,LLC | Chesterfield County, SC | Sand, common | 3 | 5 |
| Boxley Arvonia Quarry | Georgia Stone Products, LLC | Buckingham County, VA | Crushed, broken slate | 12 | 4 |
| Richardson Mine | American Materials Company,LLC | Marion County, SC | Construction sand and gravel | 11 | 4 |
| Lanier Sand | American Materials Company,LLC | Lexington County, SC | Construction sand and gravel | 8 | 4 |
| Ivanhoe Pit | American Materials Company,LLC | Sampson County, NC | Construction sand and gravel | 8 | 2 |
| Linden Plant | American Materials Company,LLC | Cumberland County, NC | Sand, common | 3 | 1 |
| Johnsonville Mine | American Materials Company,LLC | Florence County, SC | Construction sand and gravel | 2 | 1 |
States
| State | Open mines |
|---|---|
| South Carolina | 9 |
| North Carolina | 3 |
| Texas | 3 |
| Florida | 2 |
| Missouri | 2 |
| Alabama | 1 |
| Arizona | 1 |
| California | 1 |
| Colorado | 1 |
| Georgia | 1 |
| Iowa | 1 |
| Maine | 1 |
| Nevada | 1 |
| New Mexico | 1 |
| Virginia | 1 |
| West Virginia | 1 |
Commodities
| Main commodity | Open mines |
|---|---|
| Construction sand and gravel | 12 |
| Cement | 8 |
| Sand, common | 4 |
| Pumice | 2 |
| Crushed, broken limestone | 1 |
| Clay, ceramic, refractory mnls. | 1 |
| Dimension limestone | 1 |
| Crushed, broken slate | 1 |
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 684 | 91 | $1,377,706 | 37 |
| 2023 | 494 | 74 | $597,805 | 30 |
| 2024 | 530 | 75 | $911,554 | 31 |
| 2025 | 455 | 63 | $341,902 | 17 |
| 2026 | 375 | 64 | $228,229 | 26 |
Standards cited most at mines controlled by Quikrete Holdings Inc.
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.20003 | Surface metal and nonmetal mines | 383 |
| 30 CFR 56.14112 | Surface metal and nonmetal mines | 185 |
| 30 CFR 57.20003 | Underground metal and nonmetal mines | 116 |
| 30 CFR 56.12032 | Surface metal and nonmetal mines | 96 |
| 30 CFR 56.14100 | Surface metal and nonmetal mines | 95 |
| 30 CFR 56.12004 | Surface metal and nonmetal mines | 86 |
| 30 CFR 56.11001 | Surface metal and nonmetal mines | 80 |
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 80 |
| 30 CFR 56.12028 | Surface metal and nonmetal mines | 66 |
| 30 CFR 56.4201 | Surface metal and nonmetal mines | 60 |
| 30 CFR 56.13021 | Surface metal and nonmetal mines | 51 |
| 30 CFR 57.14107 | Underground metal and nonmetal mines | 45 |
| 30 CFR 56.12018 | Surface metal and nonmetal mines | 34 |
| 30 CFR 57.11001 | Underground metal and nonmetal mines | 34 |
| 30 CFR 56.16005 | Surface metal and nonmetal mines | 32 |
Injury and illness cases at mines controlled by Quikrete Holdings Inc.
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 78 |
| No lost time, or an occupational illness | 63 |
What the accident reports at mines controlled by Quikrete Holdings Inc. describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Handling of materials | 51 |
| Machinery | 23 |
| Slip or fall of person | 19 |
| Handtools (nonpowered) | 16 |
| Powered haulage | 10 |
| Other | 7 |
| Entrapment | 4 |
| Nonpowered haulage | 4 |
| Fire | 4 |
| Disorders (physical agents) | 3 |
Equipment named in accident reports at mines controlled by Quikrete Holdings Inc.
| Equipment | Reports |
|---|---|
| Hand tools (not powered) | 19 |
| Hand tools (powered) | 9 |
| Machine | 8 |
| Front-end loader | 6 |
| Milling machinery | 4 |
| Trucks | 4 |
| Forklift | 4 |
| Welding machine | 4 |
| Blow pipe | 3 |
| Conveyor | 3 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.