Top 58 Contractors in NAICS 21231: Stone Mining and Quarrying, Aug 2025–Jul 2026

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	FPA Pacific Corp. Top agencies USAF (Department of the Air Force)	$18,593,965	38.5%	Rank history: not on the FY2021–FY2024 lists and #1 in FY2025; new, not ranked in Aug 2024–Jul 2025.
2	Ho-Chunk, Inc. Through Flatwater Professional Services Company Top agencies Army (Department of the Army)	$4,383,995	9.1%	Rank history: not on the FY2021–FY2023 lists, #6 in FY2024 and #5 in FY2025; up 4 since Aug 2024–Jul 2025.
3	Pine Bluff Sand and Gravel Company Top agencies Army (Department of the Army)	$3,093,541	6.4%	Rank history: not on the FY2021–FY2024 lists and #7 in FY2025; new, not ranked in Aug 2024–Jul 2025.
4	CF Padilla LLC Top agencies DOI (Department of the Interior)	$1,843,494	3.8%	Rank history: not on the FY2021–FY2023 lists, #9 in FY2024 and #9 in FY2025; new, not ranked in Aug 2024–Jul 2025.
5	American Classic Construction Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior) USDA (Department of Agriculture)	$1,695,602	3.5%	Rank history: #7 in FY2021, #9 in FY2022, #11 in FY2023, #4 in FY2024 and #6 in FY2025; unchanged since Aug 2024–Jul 2025.
6	Skagit Aggregates LLC Top agencies Army (Department of the Army)	$1,619,944	3.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
7	Crowley Holdings LLC Top agencies Army (Department of the Army) DOI (Department of the Interior) USDA (Department of Agriculture)	$1,245,617	2.6%	Rank history: #1 in FY2021, #4 in FY2022, not on the FY2023 list, #2 in FY2024 and #3 in FY2025; down 6 since Aug 2024–Jul 2025.
8	Willard Quarries, Inc. Top agencies Army (Department of the Army)	$1,069,827	2.2%	Rank history: #35 in FY2021, #26 in FY2022, #17 in FY2023, #10 in FY2024 and #10 in FY2025; up 1 since Aug 2024–Jul 2025.
9	Giving Tree Capital, LLC Top agencies DOI (Department of the Interior) USDA (Department of Agriculture) USAF (Department of the Air Force)	$1,046,553	2.2%	Rank history: not on the FY2021–FY2023 lists, #14 in FY2024 and #23 in FY2025; up 15 since Aug 2024–Jul 2025.
10	Govlink LLC Top agencies DOI (Department of the Interior)	$991,865	2.1%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; new, not ranked in Aug 2024–Jul 2025.
11	Grarok LLC Top agencies Army (Department of the Army)	$982,867	2.0%	Rank history: #18 in FY2021, #16 in FY2022, #15 in FY2023, #13 in FY2024 and #14 in FY2025; up 6 since Aug 2024–Jul 2025.
12	Next Generation Logistics, LLC Top agencies Army (Department of the Army)	$743,070	1.5%	Rank history: #34 in FY2021, not on the FY2022 list, #13 in FY2023, #15 in FY2024 and #11 in FY2025; down 1 since Aug 2024–Jul 2025.
13	Rogers Brothers Land Clearing LLC Top agencies DOI (Department of the Interior)	$733,160	1.5%	Rank history: not on the FY2021–FY2024 lists and #26 in FY2025; new, not ranked in Aug 2024–Jul 2025.
14	Tarpan Construction, LLC Top agencies Army (Department of the Army)	$518,471	1.1%	Rank history: #20 in FY2021, #1 in FY2022, #1 in FY2023, #3 in FY2024 and #12 in FY2025; down 10 since Aug 2024–Jul 2025.
15	Central Stone Co Top agencies Army (Department of the Army)	$446,250	0.9%	Rank history: not on the FY2021–FY2024 lists and #2 in FY2025; down 13 since Aug 2024–Jul 2025.
16	New Enterprise Stone & Lime Co Inc. Top agencies Army (Department of the Army)	$422,716	0.9%	Rank history: #56 in FY2021, #41 in FY2022, #14 in FY2023, #12 in FY2024 and #24 in FY2025; new, not ranked in Aug 2024–Jul 2025.
17	Anson Excavating & Pipe, Inc. Top agencies USDA (Department of Agriculture)	$389,300	0.8%	Rank history: not on the FY2021–FY2024 lists and #20 in FY2025; new, not ranked in Aug 2024–Jul 2025.
18	Tennessee Marble Company Top agencies National Gallery of Art	$364,907	0.8%	Rank history: not on the FY2021–FY2024 lists and #16 in FY2025; up 2 since Aug 2024–Jul 2025.
19	Ecology Mir Group LLC Top agencies DOI (Department of the Interior)	$348,455	0.7%	Rank history: #10 in FY2021, not on the FY2022 list, #37 in FY2023, #39 in FY2024 and #22 in FY2025; new, not ranked in Aug 2024–Jul 2025.
20	Rimrock Ventures, LLC Top agencies DOI (Department of the Interior)	$336,311	0.7%	Rank history: not on the FY2021–FY2023 lists, #49 in FY2024 and #29 in FY2025; up 17 since Aug 2024–Jul 2025.
21	Lineport Excavating, LLC Top agencies Army (Department of the Army)	$317,981	0.7%	Rank history: #39 in FY2021, #37 in FY2022, #18 in FY2023, #31 in FY2024 and #15 in FY2025; down 7 since Aug 2024–Jul 2025.
22	Alpine Companies, Inc. Top agencies DOI (Department of the Interior)	$311,619	0.6%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2023, #37 in FY2024 and #28 in FY2025; new, not ranked in Aug 2024–Jul 2025.
23	Specialized Government Sourcing, Inc. Top agencies DOI (Department of the Interior)	$310,078	0.6%	Rank history: #41 in FY2021, not on the FY2022 list, #4 in FY2023, #5 in FY2024 and #8 in FY2025; down 15 since Aug 2024–Jul 2025.
24	Eagle Rock Timber, Inc. Top agencies Army (Department of the Army)	$286,175	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
25	Iron Mountain Quarry LLC Top agencies Army (Department of the Army)	$274,833	0.6%	Rank history: not on the FY2021 list, #22 in FY2022, #16 in FY2023, #21 in FY2024 and not on the FY2025 list; down 12 since Aug 2024–Jul 2025.
26	Rocky Mountain Aggregate & Construction, LLC Top agencies USDA (Department of Agriculture)	$249,760	0.5%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
27	Robert S Murray Top agencies DOI (Department of the Interior)	$240,000	0.5%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
28	U.s.a. Fanter Corporation, Ltd. Top agencies USAF (Department of the Air Force)	$228,242	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
29	Wood's Crushing and Hauling, Inc. Top agencies Army (Department of the Army)	$220,680	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
30	Amrize ACM PNW Inc. Top agencies Army (Department of the Army)	$216,742	0.4%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
31	Pandora Industries, LLC Top agencies Army (Department of the Army)	$209,155	0.4%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; up 14 since Aug 2024–Jul 2025.
32	Dennis Kirby Top agencies USDA (Department of Agriculture)	$194,000	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
33	MDU Resources Group, Inc. Through Knife River Corporation - North Central Top agencies DOI (Department of the Interior)	$167,021	0.3%	Rank history: not on the FY2021–FY2024 lists and #18 in FY2025; down 10 since Aug 2024–Jul 2025.
34	Thompson Contracting, Inc. Top agencies Army (Department of the Army)	$166,938	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
35	Appalachian Aggregates LLC Top agencies USDA (Department of Agriculture)	$158,442	0.3%	Rank history: #43 in FY2021, not on the FY2022–FY2024 lists and #31 in FY2025; up 9 since Aug 2024–Jul 2025.
36	Kincheloe & Sons, Inc. Top agencies DOI (Department of the Interior)	$147,132	0.3%	Rank history: not on the FY2021 list, #48 in FY2022, not on the FY2023 list, #46 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
37	Yabudoken Co. Top agencies Navy (Department of the Navy)	$139,589	0.3%	Rank history: not on the FY2021–FY2024 lists and #4 in FY2025; down 34 since Aug 2024–Jul 2025.
38	Koman Advantage LLC Top agencies Army (Department of the Army)	$126,210	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
39	Washington Rock Quarries, Inc. Top agencies Army (Department of the Army)	$126,050	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
40	Constantine Global LLC Top agencies Army (Department of the Army)	$120,451	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
41	Noble Excavating Inc. Top agencies Army (Department of the Army)	$118,130	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
42	E & J Express Logistics LLC Top agencies DOI (Department of the Interior)	$99,169	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
43	Northern Arizona Sandstone LLC Top agencies DOI (Department of the Interior)	$82,830	0.2%	Rank history: not on the FY2021–FY2024 lists and #34 in FY2025; new, not ranked in Aug 2024–Jul 2025.
44	Cardinal State Construction LLC Top agencies Army (Department of the Army)	$65,962	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
45	The Allen Co Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$62,543	0.1%	Rank history: not on the FY2021 list, #24 in FY2022, #49 in FY2023, #40 in FY2024 and #51 in FY2025; down 4 since Aug 2024–Jul 2025.
46	Gulf Holdings, LLC Top agencies DOI (Department of the Interior)	$53,476	0.1%	Rank history: #5 in FY2021, #25 in FY2022, not on the FY2023–FY2024 lists and #40 in FY2025; new, not ranked in Aug 2024–Jul 2025.
47	DGJ Hauling LLC Top agencies VA (Department of Veterans Affairs)	$51,472	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
48	Wamsley Excavating & Quarry Products, LLC Top agencies Army (Department of the Army)	$48,853	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
49	Wink, Inc. Top agencies DOI (Department of the Interior)	$43,315	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
50	Northwest Rock, Inc. Top agencies Army (Department of the Army)	$41,959	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
51	S.r. Coffman Construction, Inc. Top agencies DOI (Department of the Interior)	$33,454	0.1%	Rank history: not on the FY2021–FY2022 lists, #48 in FY2023, not on the FY2024 list and #33 in FY2025; down 8 since Aug 2024–Jul 2025.
52	Johnson's Ready Mix Concrete Products, Inc . Top agencies Army (Department of the Army)	$25,438	0.1%	Rank history: #63 in FY2021, #53 in FY2022, #60 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
53	Heidelberg Materials Midwest AGG Inc. Top agencies DOI (Department of the Interior)	$25,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
54	Peak Sand & Gravel Inc. Top agencies DOI (Department of the Interior)	$22,626	<0.1%	Rank history: not on the FY2021–FY2024 lists and #44 in FY2025; new, not ranked in Aug 2024–Jul 2025.
55	R.e. Miller and Sons Top agencies DOI (Department of the Interior)	$13,079	<0.1%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; new, not ranked in Aug 2024–Jul 2025.
56	Calhoun Quarry Inc. Top agencies DOI (Department of the Interior)	$11,844	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
57	Gerke Excavating, Inc. Top agencies DOI (Department of the Interior)	$10,802	<0.1%	Rank history: #61 in FY2021, not on the FY2022–FY2024 lists and #52 in FY2025; new, not ranked in Aug 2024–Jul 2025.
58	Cave Quarries Inc. Top agencies DOI (Department of the Interior)	$126	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.

Rankings for the codes under NAICS 21231

How this ranking works

• Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
• Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $48.3 million obligated before deobligations, so they never pass 100%.
• Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
• Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
• Rank changes compare with Aug 2024–Jul 2025. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
• Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list.
• Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers