Industry · Form 5500 business code 212310
Stone Mining & Quarrying: retirement plans
Plans whose sponsor entered this principal business activity code on Form 5500.
Form 5500 information is as filed by the plan administrator with the Department of Labor and may be amended. Figures reflect the plan year shown, not current balances. The business code is chosen by the filer from the list in the Form 5500 instructions.
For plan year 2024, 40 retirement plans in stone mining & quarrying with 100 or more participants filed Form 5500: 36 defined contribution and 4 defined benefit. They reported 36,115 participant records and $3.53B in net assets, counting every plan on the form.
The median defined contribution plan held $57,096 per participant, above the national median of $53,031, and its employer put in $2,874 per active participant (national: $2,174). Among plans reporting Schedule C compensation the median was $184 per participant against $123 nationally.
Employers contributed $133M and participants $132M during the year, and the plans paid out $414M in benefits.
In 2009 the same group numbered 40 plans with $1.77B; by 2024 it was 40 plans (unchanged) and $3.53B (up 100%). From plan year 2023 the 100-participant line counts participants with account balances, which moved many plans to the short form.
Medians compared with all US plans
| Median plan, plan year 2024 | Industry: DC | US: DC | Industry: DB | US: DB |
|---|---|---|---|---|
| Net assets per participant | $57,096 | $53,031 | $110,162 | $86,234 |
| Employer contributions per active participant | $2,874 | $2,174 | $8,551 | $10,244 |
| Schedule C compensation per participant | $184 | $123 | $338 | $344 |
| Schedule C compensation, share of net assets | 0.27% | 0.26% | 0.41% | 0.42% |
| Administrative expenses per participant | $178 | $116 | $521 | $527 |
Medians across plans with 100 or more participants (34 DC and 4 DB plans with a Schedule H here). Fee medians cover plans reporting an amount. DC: defined contribution, such as 401(k) and 403(b). DB: defined benefit pension.
Distribution of DC plans
| Measure | 25th percentile | Median | 75th percentile | Plans |
|---|---|---|---|---|
| Net assets per participant | $42,757 | $57,096 | $116,239 | 34 |
| Employer contributions per active participant | $1,618 | $2,874 | $4,715 | 34 |
| Schedule C compensation per participant | $61.63 | $184 | $310 | 33 |
| Administrative expenses per participant | $61.71 | $178 | $287 | 33 |
Trend by plan year
| Plan year | Plans 100+ | Participants | Net assets | Employer contributions | Participant contributions | Median DC assets / participant | Median DC Sch. C / participant |
|---|---|---|---|---|---|---|---|
| 2024 | 40 | 36,115 | $3.53B | $133M | $132M | $57,096 | $184 |
| 2023 | 42 | 37,407 | $3.50B | $132M | $134M | $60,308 | $186 |
| 2022 | 46 | 39,357 | $3.11B | $120M | $134M | $53,882 | $197 |
| 2021 | 42 | 34,389 | $3.55B | $103M | $111M | $61,137 | $182 |
| 2020 | 40 | 35,600 | $3.44B | $107M | $103M | $67,318 | $171 |
| 2019 | 41 | 37,349 | $3.18B | $89.8M | $96.7M | $64,638 | $173 |
| 2018 | 37 | 28,687 | $2.61B | $84.8M | $83.7M | $50,133 | $116 |
| 2017 | 39 | 34,973 | $2.81B | $173M | $82.2M | $60,476 | $85.06 |
| 2016 | 42 | 34,031 | $2.51B | $98.7M | $73.1M | $52,847 | $91.04 |
| 2015 | 39 | 32,295 | $2.25B | $88.1M | $64.1M | $58,687 | $114 |
| 2014 | 41 | 50,924 | $3.75B | $88.2M | $86.7M | $62,481 | $143 |
| 2013 | 37 | 32,490 | $2.19B | $45.8M | $48.5M | $56,179 | $101 |
| 2012 | 40 | 32,476 | $1.97B | $42.8M | $43.8M | $51,432 | $87.97 |
| 2011 | 35 | 32,517 | $1.79B | $35.4M | $43.5M | $57,084 | $84.72 |
| 2010 | 37 | 33,247 | $1.82B | $33.9M | $45.5M | $53,854 | $82.79 |
| 2009 | 40 | 35,494 | $1.77B | $105M | $44.3M | $46,988 | $28.46 |
Plan year is the year in which the plan year began. The drop in large plans from 2023 follows a rule change: the 100-participant line now counts participants with account balances, so many plans moved to the short form.
Provider share
Service provider organisations named most often on the Schedule C of the 40 plans on this page's list, by number of plans. A plan usually names several providers.
Largest plans
The 40 largest by participants of 40 plans with a page on this site.
| Plan | Sponsor | State | Type | Participants | Net assets | Per participant | Employer / active | Sch. C / participant |
|---|---|---|---|---|---|---|---|---|
| Vulcan 401(k) Plan | Vulcan Materials Company | AL | DC | 13,386 | $1.71B | $127,418 | $8,108 | $204 |
| Rogers Group, Inc.& Affiliates Retirement Savings Plan | Rogers Group, Inc. | TN | DC | 3,607 | $206M | $57,084 | $3,563 | $61.63 |
| Vulcan Materials Company Pension Plan | Legacy Vulcan LLC | AL | DB | 3,303 | $471M | $142,675 | — | $167 |
| CMG Hourly Pension Plan | Legacy Vulcan LLC | AL | DB | 2,468 | $144M | $58,381 | $8,020 | $223 |
| Luck Stone Corporation Retirement Plan and Trust | Luck Stone Corporation | VA | DB | 1,324 | $138M | $104,234 | $9,081 | $452 |
| The Greer 401(k) Plan | Greer Industries, Inc. | WV | DC | 1,240 | $51.4M | $41,478 | $1,729 | $173 |
| Luck Stone Corporation 401(k) Plan | Luck Stone Corporation | VA | DC | 1,182 | $198M | $167,287 | $5,514 | $185 |
| McGeorge Contracting Co., Inc. Retirement Savings Plan | McGeorge Contracting Co., Inc. | AR | DC | 813 | $107M | $131,606 | $3,807 | $39.04 |
| CMG Hourly 401(k) Plan | Vulcan Materials Company | AL | DC | 811 | $146M | $179,795 | $3,757 | $357 |
| Retirement Plan for Employees of Mississippi Lime Company | Mississippi Lime Company | MO | DB | 800 | $92.9M | $116,089 | — | $573 |
| Pete Lien & Sons, Inc. Profit SHARING/401(K) Plan | Pete Lien & Sons, Inc. | SD | DC | 534 | $57.3M | $107,343 | $4,228 | $212 |
| Riverstone Group Inc. and Affiliates Employee Savings Plan | Riverstone Group Inc. | IA | DC | 507 | $60.8M | $119,974 | $1,889 | $0.96 |
| Sunrock Industries LLC 401(k) Retirement Plan | Sunrock Industries LLC | NC | DC | 481 | $20.9M | $43,542 | $4,877 | $157 |
| Bruening Rock Products, Inc. 401(k) Profit Sharing Plan | Bruening Rock Products, Inc. | IA | DC | 476 | $19.0M | $39,926 | $802 | $181 |
| National Lime & Stone Company Employees' 401(k) Plan | National Lime & Stone Company | OH | DC | 465 | $52.8M | $113,492 | $3,031 | $310 |
| Turner Group 401(k) Plan | Turner Mining Group, LLC | IN | DC | 380 | $4.6M | $12,139 | $1,278 | $29.66 |
| Golden Queen 401(k) Plan | Golden Queen Mining Company, LLC | CA | DC | 336 | $8.3M | $24,664 | $2,302 | $263 |
| Percontee, Inc./chantilly Crushed Stone, Inc. Profit Sharing Plan | Percontee, Inc. | MD | DC | 306 | $24.4M | $79,610 | $3,999 | $184 |
| Indiana Limestone Acquisition, LLC DBA Indiana Limestone Company 401(k) Plan | Indiana Limestone Acquisition, LLC DBA Indiana Limestone Company | IN | DC | 276 | $9.8M | $35,563 | $2,498 | $378 |
| Volunteer Materials and Related 401(k) Plan | Volunteer Materials | TN | DC | 275 | $4.7M | $17,002 | $1,334 | $128 |
| Meshoppen Stone, Inc. 401(k) | Meshoppen Stone Inc. | PA | DC | 266 | $11.3M | $42,634 | $1,154 | $9.30 |
| Schildberg Construction Company, Inc. Employees' Profit Sharing Retirement | Schildberg Construction Company, Inc. | IA | DC | 254 | $48.0M | $188,787 | $6,183 | $36.87 |
| Rockydale Quarries Corporation 401(k) Profit Sharing Plan | Rockydale Quarries Corporation | VA | DC | 208 | $9.8M | $46,925 | $2,907 | $9.01 |
| B.V. Hedrick Gravel and Sand Company Salary Deferral and Profit Sharing Plan | B.V. Hedrick Gravel and Sand Company | NC | DC | 203 | $18.6M | $91,741 | $10,605 | $381 |
| Fred Weber, Inc. Profit Sharing and 401(k) Plan | Fred Weber, Inc. | MO | DC | 199 | $16.1M | $80,888 | $4,068 | $306 |
| Swenson Granite Union 401(k) Plan | Rock of Ages Corporation | VT | DC | 196 | $12.0M | $61,471 | $896 | $70.17 |
| Stone Industries, Inc. 401(k) Profit-Sharing Plan | Stone Industries, Inc. | NJ | DC | 196 | $25.4M | $129,435 | $4,974 | $451 |
| Blue Water Industries LLC 401(k) Savings Plan | Blue Water Industries LLC | FL | DC | 188 | $9.5M | $50,295 | $12,118 | $526 |
| Interstate Rock Products, Inc. 401(k) Profit Sharing | Interstate Rock Products, Inc. | UT | DC | 178 | $9.9M | $55,345 | $2,862 | $18.26 |
| Profit Sharing Retirement Plan of Stuart M. Perry, Inc. | Stuart M. Perry, Inc. | VA | DC | 175 | $4.3M | $24,443 | $1,581 | — |
| Swenson Granite 401(k) Retirement Plan | Rock of Ages Corporation | VT | DC | 173 | $30.4M | $175,472 | $5,111 | $58.86 |
| Vetter Stone Companies Employee Savings & Retirement Plan | Vetter Stone Company | MN | DC | 171 | $10.0M | $58,747 | $1,255 | $411 |
| Meckley's Limestone, Inc. 401(k) Profit Sharing Plan | Meckleys Limestone Products, Inc. | PA | DC | 166 | $9.5M | $57,107 | $1,337 | $287 |
| Calcium Products Inc. Retirement Savings Plan | Calcium Products Inc. | IA | DC | 157 | $6.8M | $43,127 | $2,885 | $155 |
| Liter's, Inc. 401(k) Plan | Liter's, Inc. | KY | DC | 152 | $6.4M | $41,902 | $1,448 | $304 |
| River Products Company 401(k) Plan | River Products Company, Inc. | IA | DC | 149 | $15.6M | $104,935 | $2,053 | $347 |
| Phillips Companies 401(k) Profit Sharing Plan | Phillips Companies | OH | DC | 131 | — | — | — | — |
| Stone Industries Local 472 Union 401(k) Plan | Stone Industries, Inc. | NJ | DC | 123 | — | — | — | — |
| Keystone Lime & Companies 401(k) Plan | Keystone Lime Co., Inc. | PA | DC | 118 | $14.0M | $118,367 | $2,238 | $378 |
| Anchor Stone Company 401(k) Plan | Anchor Stone Company | OK | DC | 101 | — | — | — | — |
By plan size
By state
Questions and answers
How many retirement plans are there in stone mining & quarrying?
40 plans with 100 or more participants filed Form 5500 for plan year 2024, out of 52 pension plans on the full form. Smaller plans file Form 5500-SF and are counted separately where shown.
What is the typical 401(k) balance in stone mining & quarrying?
The median defined contribution plan reported $57,096 in net assets per participant (middle half of plans: $42,757 to $116,239); nationally it was $53,031. This is a plan-level average that includes former employees, not a typical person's balance.
What do employers contribute in stone mining & quarrying?
The median defined contribution plan received $2,874 in employer contributions per active participant, against $2,174 nationally. Plans with no employer contribution are included at zero.
What are average 401(k) fees in stone mining & quarrying?
Among defined contribution plans that report any Schedule C compensation, the median was $184 per participant and 0.27% of net assets (nationally $123 and 0.26%). Schedule C leaves out fund expense ratios and fees the employer pays, so it understates total cost.
Where does this come from?
Form 5500 annual reports in the EBSA research files, with filings received through 24 Aug 2026. Medians are computed by this site across plans with 100 or more participants.
Provenance
Source: U.S. Department of Labor, Employee Benefits Security Administration, Form 5500 research files, public domain, with filings received through 24 Aug 2026. Totals count every pension plan on the full form; medians and the plan list cover plans with 100 or more participants. See the methodology.