Top 100 Contractors in NAICS 23822: Plumbing, Heating, and Air-Conditioning Contractors, FY2023

Name: Top 100 Contractors in NAICS 23822: Plumbing, Heating, and Air-Conditioning Contractors, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 18% of FY2023 NAICS 23822 contract dollars

Contract obligations: $1,015,592,431 Net of deobligations, by contracts coded NAICS 23822 or a code under it
Contractors: 1,908 Parent companies with an obligation
Largest contractor: Blue Pacific JV LLC $28 million, 2.7% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Blue Pacific JV LLC Top agencies VA (Department of Veterans Affairs)	$27,979,166	2.7%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2024 and not on the FY2025 list; new.
2	Mechworks Mechanical Contractors, Inc. Top agencies Navy (Department of the Navy)	$24,805,216	2.4%	Rank history: #38 in FY2021, #10 in FY2022, #6 in FY2024 and #18 in FY2025; up 8 since FY2022.
3	RCA Contracting, Inc. Top agencies USAF (Department of the Air Force)	$21,998,781	2.1%	Rank history: #73 in FY2021, #66 in FY2022 and not on the FY2024–FY2025 lists; up 63 since FY2022.
4	Aleut Building Company LLC Top agencies NASA (National Aeronautics and Space Administration)	$21,572,354	2.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
5	North State Mechanical Inc. Top agencies Navy (Department of the Navy)	$20,160,437	1.9%	Rank history: #1 in FY2021, #9 in FY2022, #8 in FY2024 and #3 in FY2025; up 4 since FY2022.
6	Koniag, Inc. 2 awardees, including Tuknik Government Services LLC Top agencies DOS (Department of State)	$16,096,888	1.5%	Rank history: #10 in FY2021, #7 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
7	Hawaiian Native Corporation Through Aktarius LLC Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs)	$14,399,705	1.4%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and not on the FY2025 list; new.
8	HCI Systems, Inc. Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs)	$14,012,660	1.3%	Rank history: not on the FY2021 list, #35 in FY2022 and not on the FY2024–FY2025 lists; up 27 since FY2022.
9	R & W Construction Company Top agencies Navy (Department of the Navy)	$13,921,193	1.3%	Rank history: not on the FY2021 list, #4 in FY2022, #24 in FY2024 and #43 in FY2025; down 5 since FY2022.
10	Firelake Construction Inc. Top agencies USDA (Department of Agriculture)	$12,377,152	1.2%	Rank history: #19 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
11	Heffler Contracting Group Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$11,914,102	1.1%	Rank history: #13 in FY2021, #87 in FY2022 and not on the FY2024–FY2025 lists; up 76 since FY2022.
12	Within Interior Design, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$10,554,657	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
13	Tj&B Air Conditioning and Electric, LLC Top agencies DOT (Department of Transportation)	$10,544,336	1.0%	Rank history: not on the FY2021 list, #14 in FY2022, #10 in FY2024 and #70 in FY2025; up 1 since FY2022.
14	Olgoonik Federal LLC Through Olgoonik General, LLC Top agencies HHS (Department of Health and Human Services)	$10,250,261	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
15	Paradigm Mechanical Corp. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$10,147,665	1.0%	Rank history: #22 in FY2021, #26 in FY2022, #40 in FY2024 and #67 in FY2025; up 11 since FY2022.
16	Jett's Specialty Contracting, LLC Top agencies VA (Department of Veterans Affairs)	$9,884,183	0.9%	Rank history: #95 in FY2021, not on the FY2022 list, #17 in FY2024 and #1 in FY2025; up 129 since FY2022.
17	Qcm, Inc. Top agencies WHS (DOD Washington Headquarters Service)	$9,640,540	0.9%	Rank history: #5 in FY2021, #18 in FY2022, #14 in FY2024 and #29 in FY2025; up 1 since FY2022.
18	Kekolu Contracting LLC Top agencies Navy (Department of the Navy)	$9,194,325	0.9%	Rank history: not on the FY2021 list, #38 in FY2022 and not on the FY2024–FY2025 lists; up 20 since FY2022.
19	General Mechanical Corporation Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$8,227,652	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
20	MIK Construction Inc. Top agencies Navy (Department of the Navy)	$8,106,303	0.8%	Rank history: #68 in FY2021, #97 in FY2022, #18 in FY2024 and #4 in FY2025; up 77 since FY2022.
21	UD Contracting Inc. Top agencies Army (Department of the Army)	$8,102,899	0.8%	Rank history: #14 in FY2021, #16 in FY2022, #21 in FY2024 and not on the FY2025 list; down 5 since FY2022.
22	Milicon Inc Top agencies VA (Department of Veterans Affairs)	$8,034,931	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
23	Capital Brand Group LLC Top agencies Navy (Department of the Navy) WHS (DOD Washington Headquarters Service) FCC (Federal Communications Commission)	$7,988,261	0.8%	Rank history: not on the FY2021 list, #44 in FY2022, #5 in FY2024 and #7 in FY2025; up 21 since FY2022.
24	Westerly Enterprises, LLC Top agencies HHS (Department of Health and Human Services)	$6,606,837	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
25	PHK Construction LLC Top agencies USDA (Department of Agriculture)	$6,546,444	0.6%	Rank history: #45 in FY2021, #55 in FY2022 and not on the FY2024–FY2025 lists; up 30 since FY2022.
26	Front Range Construction Inc. Top agencies DOJ (Department of Justice) DOE (Department of Energy) USDA (Department of Agriculture)	$6,277,564	0.6%	Rank history: #58 in FY2021, #60 in FY2022, #90 in FY2024 and not on the FY2025 list; up 34 since FY2022.
27	The Ryan Group Inc Through Ryan & Associates, Inc. Top agencies Army (Department of the Army)	$6,265,611	0.6%	Rank history: #7 in FY2021, #29 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
28	Firewatch Contracting of Florida LLC Top agencies VA (Department of Veterans Affairs)	$6,223,988	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 140 since FY2022.
29	Bristol Bay Native Corporation Through CCI Group, LLC Top agencies Navy (Department of the Navy)	$6,212,859	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
30	DE LA HOZ Builders Inc Top agencies USAF (Department of the Air Force)	$6,112,937	0.6%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2024 and #33 in FY2025; new.
31	Sergents Mechanical Systems Inc. Top agencies VA (Department of Veterans Affairs) DOT (Department of Transportation)	$6,081,421	0.6%	Rank history: #53 in FY2021, #96 in FY2022, not on the FY2024 list and #59 in FY2025; up 65 since FY2022.
32	Multi Air Services Engineers, Corp 2 awardees Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$5,914,807	0.6%	Rank history: #57 in FY2021, #12 in FY2022, #56 in FY2024 and not on the FY2025 list; down 20 since FY2022.
33	T & D Mechanical, Inc. Top agencies USAF (Department of the Air Force)	$5,874,250	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 190 since FY2022.
34	DAP Construction Management LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$5,666,048	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 157 since FY2022.
35	Utility Systems Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$5,635,282	0.5%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #55 in FY2025; up 99 since FY2022.
36	Eacm Corp Top agencies DOT (Department of Transportation)	$5,569,543	0.5%	Rank history: #89 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 72 since FY2022.
37	Per Aarsleff A/S Top agencies USAF (Department of the Air Force)	$5,549,367	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
38	Robbert Construction, Inc. Top agencies VA (Department of Veterans Affairs)	$5,533,117	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 250 since FY2022.
39	Henry General Contractors Inc Top agencies VA (Department of Veterans Affairs)	$5,462,929	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
40	Four Tribes Enterprises, LLC Top agencies USAF (Department of the Air Force)	$5,384,360	0.5%	Rank history: #2 in FY2021, #28 in FY2022, #36 in FY2024 and #89 in FY2025; down 12 since FY2022.
41	Gustav Keoni Top agencies DOJ (Department of Justice)	$5,293,605	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
42	Cornerstone Construction Services, LLC Top agencies DOT (Department of Transportation)	$5,157,987	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
43	Able Heating & Air Conditioning, Inc. Top agencies Navy (Department of the Navy)	$4,940,638	0.5%	Rank history: #79 in FY2021, #6 in FY2022, #16 in FY2024 and #34 in FY2025; down 37 since FY2022.
44	Valley Mechanical Inc. Top agencies VA (Department of Veterans Affairs)	$4,890,000	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
45	FC Drace JV Top agencies Navy (Department of the Navy)	$4,833,326	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
46	South Bay EDC Inc. Top agencies Navy (Department of the Navy)	$4,825,167	0.5%	Rank history: #41 in FY2021, #23 in FY2022, #45 in FY2024 and not on the FY2025 list; down 23 since FY2022.
47	Diverse Solutions Group Inc. Through Forus Contracting, Inc. Top agencies Navy (Department of the Navy)	$4,825,056	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	Four Winds Mechanical HTC/AC Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) USDA (Department of Agriculture)	$4,725,501	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	Contract and Purchasing Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$4,621,827	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	Valor Construction Management, LLC Top agencies VA (Department of Veterans Affairs) DOT (Department of Transportation)	$4,558,043	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 162 since FY2022.
51	Onsite Construction Group LLC Top agencies VA (Department of Veterans Affairs)	$4,511,017	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
52	MC3 Solutions LLC Top agencies VA (Department of Veterans Affairs)	$4,499,771	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
53	Amalgamated Services, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DOT (Department of Transportation)	$4,370,786	0.4%	Rank history: not on the FY2021 list, #91 in FY2022, #70 in FY2024 and not on the FY2025 list; up 38 since FY2022.
54	Dunbar Mechanical Contractors, LLC Top agencies VA (Department of Veterans Affairs) USDA (Department of Agriculture)	$4,129,421	0.4%	Rank history: not on the FY2021–FY2022 lists, #13 in FY2024 and not on the FY2025 list; new.
55	Core Mechanical, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$4,114,769	0.4%	Rank history: #74 in FY2021, #100 in FY2022 and not on the FY2024–FY2025 lists; up 45 since FY2022.
56	EMCOR Group, Inc. 7 awardees, including Mesa Energy Systems, Inc., Fluidics Inc. and R & R Mechanical LLC Top agencies Navy (Department of the Navy) Treasury (Department of the Treasury) VA (Department of Veterans Affairs)	$4,071,204	0.4%	Rank history: #31 in FY2021, #46 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
57	RJY Group LLC Top agencies VA (Department of Veterans Affairs) DOT (Department of Transportation) Commerce (Department of Commerce)	$4,049,975	0.4%	Rank history: not on the FY2021 list, #73 in FY2022, #63 in FY2024 and #71 in FY2025; up 16 since FY2022.
58	CMP Commercial Construction Inc. Top agencies DOT (Department of Transportation)	$4,006,127	0.4%	Rank history: not on the FY2021 list, #32 in FY2022 and not on the FY2024–FY2025 lists; down 26 since FY2022.
59	Guardian Construction, Inc. Top agencies DOT (Department of Transportation) USAF (Department of the Air Force) USDA (Department of Agriculture)	$3,981,696	0.4%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2024 and #22 in FY2025; up 151 since FY2022.
60	CM Construction Services, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$3,965,437	0.4%	Rank history: #93 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 220 since FY2022.
61	Orcom, A Division of Ortega Companies, Inc. Top agencies HHS (Department of Health and Human Services) Commerce (Department of Commerce) Army (Department of the Army)	$3,841,730	0.4%	Rank history: #4 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 233 since FY2022.
62	Contego Environmental LLC Top agencies VA (Department of Veterans Affairs)	$3,841,000	0.4%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2024 and not on the FY2025 list; new.
63	Brymak & Associates, Inc. Top agencies Navy (Department of the Navy) DHA (Defense Health Agency)	$3,798,020	0.4%	Rank history: #47 in FY2021, #47 in FY2022, #62 in FY2024 and #20 in FY2025; down 16 since FY2022.
64	The Donohoe Companies. Inc. Through AAA Complete Building Services Inc. Top agencies WHS (DOD Washington Headquarters Service) National Gallery of Art	$3,787,724	0.4%	Rank history: not on the FY2021 list, #76 in FY2022 and not on the FY2024–FY2025 lists; up 12 since FY2022.
65	Ama Diversified Construction Group Top agencies USAF (Department of the Air Force)	$3,780,771	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
66	Davcon Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$3,641,821	0.3%	Rank history: #27 in FY2021, #31 in FY2022, not on the FY2024 list and #77 in FY2025; down 35 since FY2022.
67	MCL Alliance, LLC Top agencies Army (Department of the Army)	$3,637,395	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
68	RCO Construction, L.L.C. Top agencies Navy (Department of the Navy)	$3,623,246	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Millennium Fire Protection Corporation Top agencies Navy (Department of the Navy)	$3,601,089	0.3%	Rank history: #37 in FY2021, #37 in FY2022 and not on the FY2024–FY2025 lists; down 32 since FY2022.
70	Red Point Construction LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$3,570,477	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Snodgrass Contracting LLC Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy) USDA (Department of Agriculture)	$3,557,345	0.3%	Rank history: #64 in FY2021, #58 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
72	Capex Construction LLC Top agencies VA (Department of Veterans Affairs)	$3,557,100	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Public Works Contractor Inc. Top agencies Navy (Department of the Navy)	$3,554,424	0.3%	Rank history: #23 in FY2021, #22 in FY2022, #30 in FY2024 and not on the FY2025 list; down 51 since FY2022.
74	Dream Design & Construction, Inc. Top agencies Navy (Department of the Navy)	$3,552,009	0.3%	Rank history: not on the FY2021 list, #69 in FY2022, #93 in FY2024 and not on the FY2025 list; down 5 since FY2022.
75	Ameritech Contracting LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$3,491,232	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 105 since FY2022.
76	Archway Solutions Limited Liability Company Top agencies USAF (Department of the Air Force)	$3,478,399	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 124 since FY2022.
77	Cooper Mechanical Inc. Top agencies VA (Department of Veterans Affairs)	$3,475,034	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 196 since FY2022.
78	Mcw-Tmg1 LLC Top agencies DOJ (Department of Justice)	$3,452,952	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Corg Management Group LLC Top agencies GSA (General Services Administration) USAF (Department of the Air Force)	$3,400,967	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 399 since FY2022.
80	M.e.r.i.t., Inc. Top agencies USAF (Department of the Air Force)	$3,397,768	0.3%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #100 in FY2025; new.
81	J & J Mechanical and Construction Group LLC Top agencies VA (Department of Veterans Affairs)	$3,333,253	0.3%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2024 and not on the FY2025 list; up 371 since FY2022.
82	PMP / Gbab JV, LLC Top agencies Army (Department of the Army)	$3,162,949	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	OCS Construction Services Inc. Top agencies GSA (General Services Administration)	$3,162,301	0.3%	Rank history: #82 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 134 since FY2022.
84	Siemens Aktiengesellschaft 6 awardees, including Siemens Industry Inc., Siemens Government Technologies Inc. and Siemens Medical Solutions Usa, Inc. Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) Navy (Department of the Navy)	$3,155,998	0.3%	Rank history: #51 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 97 since FY2022.
85	Copper Current Inc. Top agencies Army (Department of the Army)	$2,985,677	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	New Dominion Construction LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$2,956,969	0.3%	Rank history: #29 in FY2021, not on the FY2022 list, #99 in FY2024 and #25 in FY2025; up 79 since FY2022.
87	DN Tanks, LLC Top agencies VA (Department of Veterans Affairs)	$2,948,400	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Southeastern Industrial Construction, LLC Top agencies USAF (Department of the Air Force)	$2,887,228	0.3%	Rank history: not on the FY2021–FY2022 lists, #79 in FY2024 and not on the FY2025 list; up 28 since FY2022.
89	Duwright Construction Inc. Top agencies Navy (Department of the Navy)	$2,842,419	0.3%	Rank history: not on the FY2021 list, #21 in FY2022, #69 in FY2024 and #41 in FY2025; down 68 since FY2022.
90	Eb-Mei One, JV Top agencies GSA (General Services Administration)	$2,806,490	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Johnson Controls Security Solutions LLC 3 awardees, including Johnson Controls Inc. Top agencies VA (Department of Veterans Affairs) USDA (Department of Agriculture) Smithsonian (Smithsonian Institution)	$2,798,315	0.3%	Rank history: #28 in FY2021, #13 in FY2022 and not on the FY2024–FY2025 lists; down 78 since FY2022.
92	Monument Construction Services, LLC Top agencies VA (Department of Veterans Affairs)	$2,767,000	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Johnson Controls Industries 12 awardees, including Johnson Controls, Inc., Johnson Controls Building Automation Systems, LLC and Johnson Controls of Puerto Rico Inc. Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$2,741,160	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Sanford Federal, Inc. Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) USAF (Department of the Air Force)	$2,710,646	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	Property & Environmental Management Inc. Top agencies DOS (Department of State)	$2,675,270	0.3%	Rank history: #24 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 80 since FY2022.
96	J Wayne Poole Inc Top agencies DOT (Department of Transportation)	$2,618,007	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Chiefs Construction, Inc. Top agencies USAF (Department of the Air Force)	$2,613,613	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	Duke Energy Corporation Through Piedmont Natural Gas Company, Inc. Top agencies Navy (Department of the Navy)	$2,591,793	0.2%	Rank history: #88 in FY2021, #95 in FY2022, not on the FY2024 list and #87 in FY2025; down 3 since FY2022.
99	The Povolny Group Inc. Top agencies VA (Department of Veterans Affairs)	$2,560,837	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 279 since FY2022.
100	CCI Mechanical, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$2,555,306	0.2%	Rank history: #11 in FY2021, #52 in FY2022, #11 in FY2024 and #75 in FY2025; down 48 since FY2022.

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100 of 1,908 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 23822

Code	Net obligations	Largest contractor
238220 Plumbing, Heating, and Air-Conditioning Contractors	$1,015,592,431	Blue Pacific JV LLC

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 $1.04 billion 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. 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.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "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. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 23822 contractors in FY2023?

1. Blue Pacific JV LLC ($28M), 2. Mechworks Mechanical Contractors, Inc. ($24.8M), 3. RCA Contracting, Inc. ($22M), 4. Aleut Building Company LLC ($21.6M), 5. North State Mechanical Inc. ($20.2M), 6. Koniag, Inc. ($16.1M), 7. Hawaiian Native Corporation ($14.4M), 8. HCI Systems, Inc. ($14M), 9. R & W Construction Company ($13.9M), 10. Firelake Construction Inc. ($12.4M).

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