Top 100 Contractors in PSC J045: Maintenance, Repair and Rebuilding of Equipment: Plumbing, Heating, and Waste Disposal Equipment, FY2021

Name: Top 100 Contractors in PSC J045: Maintenance, Repair and Rebuilding of Equipment: Plumbing, Heating, and Waste Disposal Equipment, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 40% of FY2021 PSC J045 contract dollars

Contract obligations: $101,908,536 Net of deobligations, by contracts coded PSC J045
Contractors: 694 Parent companies with an obligation
Largest contractor: Centerpoint Energy, Inc. $10.4 million, 9.6% 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	Centerpoint Energy, Inc. Through Energy Systems Group, LLC Top agencies Army (Department of the Army)	$10,351,118	9.6%	Rank history: #2 in FY2022, #2 in FY2023, #32 in FY2024 and not on the FY2025 list; unchanged since FY2020.
2	Ashford Leebcor Enterprises Iii, LLC Top agencies Army (Department of the Army)	$8,533,098	7.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
3	Four Tribes Enterprises, LLC Top agencies Army (Department of the Army)	$6,477,193	6.0%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
4	Trane U.S. Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) DOI (Department of the Interior)	$6,007,541	5.6%	Rank history: #82 in FY2022, #38 in FY2023, #1 in FY2024 and not on the FY2025 list; up 31 since FY2020.
5	EMCOR Group, Inc. 3 awardees, including Emcor Government Services, Inc., Fluidics Inc. and Mesa Energy Systems, Inc. Top agencies WHS (DOD Washington Headquarters Service) Treasury (Department of the Treasury) VA (Department of Veterans Affairs)	$3,223,985	3.0%	Rank history: #8 in FY2022, #54 in FY2023, #30 in FY2024 and #58 in FY2025; up 1 since FY2020.
6	Delta Solutions & Strategies LLC Top agencies USAF (Department of the Air Force)	$2,164,480	2.0%	Rank history: #7 in FY2022, #9 in FY2023, #10 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
7	Southern Aire Contracting, Inc. Top agencies USAF (Department of the Air Force)	$1,716,000	1.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
8	Junction Incorporated Top agencies Army (Department of the Army)	$1,580,593	1.5%	Rank history: #19 in FY2022, #12 in FY2023, #16 in FY2024 and #17 in FY2025; up 7 since FY2020.
9	Bering Straits Native Corporation 2 awardees, including Stampede Ventures, Inc. Top agencies USAF (Department of the Air Force)	$1,552,920	1.4%	Rank history: #13 in FY2022, #19 in FY2023, not on the FY2024 list and #32 in FY2025; up 1 since FY2020.
10	Amalgamated Services, Inc. Top agencies Navy (Department of the Navy)	$1,446,002	1.3%	Rank history: #10 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
11	Logzone Urban Jv2, LLC Top agencies SSA (Social Security Administration)	$1,156,218	1.1%	Rank history: not on the FY2022–FY2025 lists; up 17 since FY2020.
12	Able Heating & Air Conditioning, Inc. Top agencies Navy (Department of the Navy)	$1,132,766	1.1%	Rank history: #20 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
13	S3 Contracting LLC Top agencies Army (Department of the Army)	$1,090,658	1.0%	Rank history: #25 in FY2022, not on the FY2023 list, #24 in FY2024 and #31 in FY2025; new, not ranked in FY2020.
14	Mechanical Resources Incorporated Top agencies Navy (Department of the Navy)	$1,073,994	1.0%	Rank history: #9 in FY2022, #18 in FY2023, #35 in FY2024 and #35 in FY2025; up 163 since FY2020.
15	Elliott-Lewis Corp Top agencies Treasury (Department of the Treasury)	$1,047,172	1.0%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
16	Johnson Controls Security Solutions LLC 9 awardees, including Johnson Controls, Inc. and Johnson Controls Fire Protection LP Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) Navy (Department of the Navy)	$1,038,788	1.0%	Rank history: #17 in FY2022, #39 in FY2023, #92 in FY2024 and not on the FY2025 list; up 29 since FY2020.
17	Alaska Boiler & Burner LLC Top agencies USAF (Department of the Air Force)	$1,017,230	0.9%	Rank history: #24 in FY2022, #30 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
18	Imec Group, LLC Top agencies WHS (DOD Washington Headquarters Service)	$866,308	0.8%	Rank history: not on the FY2022–FY2025 lists; up 16 since FY2020.
19	The Donohoe Companies. Inc. 2 awardees, including AAA Complete Building Services Inc. Top agencies CSOSA (Court Services and Offender Supervision Agency)	$840,444	0.8%	Rank history: #5 in FY2022, #6 in FY2023, #84 in FY2024 and not on the FY2025 list; up 23 since FY2020.
20	Harrell Contracting Inc. Top agencies Navy (Department of the Navy)	$829,791	0.8%	Rank history: #80 in FY2022 and not on the FY2023–FY2025 lists; up 120 since FY2020.
21	Hancock Sandblast & Paint, LLC Top agencies Navy (Department of the Navy)	$828,476	0.8%	Rank history: #67 in FY2022 and not on the FY2023–FY2025 lists; up 72 since FY2020.
22	RJY Group LLC Top agencies VA (Department of Veterans Affairs)	$824,918	0.8%	Rank history: #35 in FY2022, #40 in FY2023, #23 in FY2024 and #25 in FY2025; up 10 since FY2020.
23	Polyearth USA LLC Top agencies VA (Department of Veterans Affairs)	$823,564	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
24	Maxerve Co., Ltd. Top agencies Army (Department of the Army)	$808,806	0.8%	Rank history: #42 in FY2022, #49 in FY2023, #96 in FY2024 and not on the FY2025 list; up 9 since FY2020.
25	Lakey, Inc of Texas Top agencies Army (Department of the Army)	$761,454	0.7%	Rank history: not on the FY2022–FY2025 lists; down 16 since FY2020.
26	Watertight Solutions LLC Top agencies DOS (Department of State)	$676,931	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
27	Blueridge Technology, Inc. Top agencies VA (Department of Veterans Affairs)	$648,518	0.6%	Rank history: #6 in FY2022, #41 in FY2023, #45 in FY2024 and #78 in FY2025; up 70 since FY2020.
28	Alliance Group Services, LLC Top agencies VA (Department of Veterans Affairs)	$641,881	0.6%	Rank history: not on the FY2022–FY2025 lists; up 51 since FY2020.
29	Honeywell International Inc. 2 awardees Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$622,774	0.6%	Rank history: #48 in FY2022, #34 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
30	Valcorp Enterprises LLC Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$598,823	0.6%	Rank history: not on the FY2022 list, #27 in FY2023 and not on the FY2024–FY2025 lists; down 9 since FY2020.
31	Carolina Comfort Solutions, Inc. Top agencies Commerce (Department of Commerce)	$589,004	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
32	Confluence Corp Top agencies Commerce (Department of Commerce)	$574,146	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	Kikiktagruk Inupiat Corp Through Midnight Sun Global Services LLC Top agencies Treasury (Department of the Treasury)	$573,685	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
34	Waldeck Construction LLC Top agencies DOI (Department of the Interior)	$543,523	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
35	Smart, LLC Top agencies Army (Department of the Army)	$524,622	0.5%	Rank history: not on the FY2022 list, #76 in FY2023, not on the FY2024 list and #65 in FY2025; down 16 since FY2020.
36	Native Star Group, Inc. Top agencies USAF (Department of the Air Force)	$522,410	0.5%	Rank history: not on the FY2022 list, #52 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
37	Chicago Iron Works Corporation Through National Air Duct Maintenance Corp Top agencies VA (Department of Veterans Affairs)	$510,693	0.5%	Rank history: #49 in FY2022, #96 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
38	Commercial Heating & Air Conditioning LLC Top agencies VA (Department of Veterans Affairs)	$504,990	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
39	Qcm, Inc. Top agencies WHS (DOD Washington Headquarters Service)	$501,307	0.5%	Rank history: #69 in FY2022, not on the FY2023 list, #80 in FY2024 and #86 in FY2025; down 19 since FY2020.
40	Four Corners Clean LLC Top agencies DOI (Department of the Interior)	$495,424	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
41	King & George, LLC Top agencies Treasury (Department of the Treasury) EPA (Environmental Protection Agency) GSA (General Services Administration)	$485,413	0.5%	Rank history: not on the FY2022–FY2025 lists; down 38 since FY2020.
42	Acco Engineered Systems, Inc. Top agencies DOE (Department of Energy) VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$480,272	0.4%	Rank history: #84 in FY2022, #97 in FY2023, #70 in FY2024 and not on the FY2025 list; up 209 since FY2020.
43	Brican, Inc. Top agencies Commerce (Department of Commerce)	$474,000	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
44	Walter Mechanical Services Inc. Top agencies VA (Department of Veterans Affairs)	$455,075	0.4%	Rank history: #79 in FY2022 and not on the FY2023–FY2025 lists; up 143 since FY2020.
45	Dixie Roofing, Inc. Through Efficient Energy of Tennessee, LLC Top agencies Army (Department of the Army)	$445,557	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	Preferred Tank & Tower Maintenance Division, Inc. Top agencies USAF (Department of the Air Force)	$443,570	0.4%	Rank history: #36 in FY2022, not on the FY2023–FY2024 lists and #39 in FY2025; new, not ranked in FY2020.
47	Ah Jordan Plumbing & Mechanical, LLC Top agencies Treasury (Department of the Treasury)	$441,605	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Bradley-Sciocchetti, Inc. Top agencies USAF (Department of the Air Force)	$417,415	0.4%	Rank history: #74 in FY2022, #87 in FY2023, not on the FY2024 list and #82 in FY2025; down 9 since FY2020.
49	CM Construction Services, Inc. Top agencies USAF (Department of the Air Force)	$402,806	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	Utility Systems Solutions, Inc. Top agencies DOI (Department of the Interior)	$399,104	0.4%	Rank history: not on the FY2022 list, #28 in FY2023, #52 in FY2024 and #61 in FY2025; new, not ranked in FY2020.
51	Turner Construction Company Through Sociedad Espanola De Montajes Industriales SA Top agencies USAF (Department of the Air Force)	$389,514	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
52	Outside the Box LLC Top agencies DOI (Department of the Interior)	$387,067	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
53	Damuth Services Inc. Top agencies Navy (Department of the Navy)	$377,939	0.4%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
54	Linea Verde S.R.L. Top agencies Army (Department of the Army)	$369,680	0.3%	Rank history: #53 in FY2022, #75 in FY2023, #67 in FY2024 and #76 in FY2025; down 3 since FY2020.
55	Mepvet LLC Top agencies VA (Department of Veterans Affairs)	$368,910	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
56	General and Mechanical Services, LLC Top agencies USDA (Department of Agriculture) Commerce (Department of Commerce) GSA (General Services Administration)	$354,495	0.3%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
57	Ahtna, Incorporated Through Ahtna Global LLC Top agencies Commerce (Department of Commerce)	$341,167	0.3%	Rank history: not on the FY2022–FY2025 lists; down 27 since FY2020.
58	The Fields Group, LLC Top agencies Commerce (Department of Commerce)	$336,066	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	RWD Consulting LLC Top agencies EPA (Environmental Protection Agency)	$335,178	0.3%	Rank history: #68 in FY2022 and not on the FY2023–FY2025 lists; down 16 since FY2020.
60	Caldaia Controls LLC Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$331,097	0.3%	Rank history: #32 in FY2022, #24 in FY2023, #12 in FY2024 and #26 in FY2025; up 181 since FY2020.
61	Yeajin E&C Co.,Ltd. Top agencies Army (Department of the Army)	$327,062	0.3%	Rank history: #62 in FY2022, #85 in FY2023, #65 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
62	Avalon Contracting Inc. Top agencies VA (Department of Veterans Affairs)	$315,367	0.3%	Rank history: #46 in FY2022, not on the FY2023 list, #19 in FY2024 and #7 in FY2025; up 77 since FY2020.
63	Es Squared, LLC Top agencies Treasury (Department of the Treasury)	$311,537	0.3%	Rank history: not on the FY2022–FY2025 lists; down 59 since FY2020.
64	City Air Mechanical, Inc. Top agencies USAF (Department of the Air Force)	$300,845	0.3%	Rank history: #75 in FY2022, not on the FY2023 list, #41 in FY2024 and #74 in FY2025; new, not ranked in FY2020.
65	Ljbco Group II, LLC Top agencies VA (Department of Veterans Affairs)	$290,823	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Kaser Mechanical LLC Top agencies USAF (Department of the Air Force)	$289,485	0.3%	Rank history: not on the FY2022–FY2025 lists; up 83 since FY2020.
67	Brand Construction LLC Top agencies VA (Department of Veterans Affairs)	$285,817	0.3%	Rank history: not on the FY2022–FY2025 lists; down 11 since FY2020.
68	FHC Contracting Inc. Top agencies VA (Department of Veterans Affairs)	$285,426	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	Tower Facility Management, LLC Top agencies USAGM (US Agency for Global Media)	$281,874	0.3%	Rank history: #51 in FY2022, #72 in FY2023, #82 in FY2024 and #84 in FY2025; new, not ranked in FY2020.
70	Silver Lake - TMG Jv#1, LLC Top agencies DOJ (Department of Justice)	$278,368	0.3%	Rank history: #18 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
71	PFD Mechanical, Inc. Top agencies OPM (Office of Personnel Management)	$273,078	0.3%	Rank history: #97 in FY2022, #99 in FY2023, #95 in FY2024 and not on the FY2025 list; down 2 since FY2020.
72	Venergy Group LLC Top agencies VA (Department of Veterans Affairs)	$272,127	0.3%	Rank history: not on the FY2022 list, #61 in FY2023, #27 in FY2024 and #28 in FY2025; down 8 since FY2020.
73	Clay Construction Group LLC Top agencies Army (Department of the Army)	$269,617	0.3%	Rank history: #78 in FY2022, #32 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
74	Spees LLC Top agencies VA (Department of Veterans Affairs)	$262,275	0.2%	Rank history: not on the FY2022–FY2025 lists; up 44 since FY2020.
75	Schwarz Construction Llc-K Hayes Limited Joint Venture Top agencies Army (Department of the Army)	$249,000	0.2%	Rank history: #90 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
76	Aeonrg LLC Top agencies VA (Department of Veterans Affairs)	$248,707	0.2%	Rank history: not on the FY2022–FY2025 lists; up 89 since FY2020.
77	S-T Acquisition Co LLC Top agencies VA (Department of Veterans Affairs)	$245,678	0.2%	Rank history: #98 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
78	Infraserv GMBH & Co. Hochst KG Top agencies Army (Department of the Army)	$244,462	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
79	Goodwin Facilities Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$243,693	0.2%	Rank history: #96 in FY2022, #90 in FY2023 and not on the FY2024–FY2025 lists; down 11 since FY2020.
80	Rodon Home Improvement, Inc. Top agencies DOJ (Department of Justice)	$235,226	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
81	Hughes Environmental Inc. Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$234,905	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	J&B Hartigan, Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$233,484	0.2%	Rank history: not on the FY2022–FY2025 lists; down 8 since FY2020.
83	Telrr Joint Venture, L.L.C. Top agencies GSA (General Services Administration) USDA (Department of Agriculture) Commerce (Department of Commerce)	$232,718	0.2%	Rank history: not on the FY2022–FY2025 lists; up 40 since FY2020.
84	South Dade Air Conditioning & Refrigeration Inc. Top agencies GSA (General Services Administration) Commerce (Department of Commerce) AOUSC (Administrative Office of the U.S. Courts)	$231,522	0.2%	Rank history: #71 in FY2022 and not on the FY2023–FY2025 lists; up 95 since FY2020.
85	Total Maintenance Inc. Top agencies Army (Department of the Army)	$227,759	0.2%	Rank history: not on the FY2022 list, #89 in FY2023 and not on the FY2024–FY2025 lists; up 201 since FY2020.
86	Fcs, Inc. Top agencies VA (Department of Veterans Affairs)	$223,553	0.2%	Rank history: #99 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
87	Hurtvet Subcontracting, Inc. Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$219,036	0.2%	Rank history: not on the FY2022–FY2025 lists; down 20 since FY2020.
88	ATS Automation, Inc. Top agencies VA (Department of Veterans Affairs)	$217,331	0.2%	Rank history: not on the FY2022–FY2025 lists; down 8 since FY2020.
89	Mem Contracting, Inc. Top agencies Army (Department of the Army)	$216,837	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Talon Veteran Services Incorporated Top agencies VA (Department of Veterans Affairs)	$216,579	0.2%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; up 140 since FY2020.
91	XL Mechanical & Energy Management Services Top agencies GSA (General Services Administration)	$215,224	0.2%	Rank history: not on the FY2022–FY2025 lists; up 30 since FY2020.
92	K J Cain Co Inc. Top agencies VA (Department of Veterans Affairs)	$211,457	0.2%	Rank history: not on the FY2022–FY2025 lists; up 67 since FY2020.
93	Phigenics LLC Top agencies VA (Department of Veterans Affairs)	$211,006	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	RMI Mechanical Contractor Inc. Top agencies Treasury (Department of the Treasury) DHS (Department of Homeland Security)	$210,421	0.2%	Rank history: not on the FY2022–FY2025 lists; down 50 since FY2020.
95	Sanford Federal, Inc. Top agencies VA (Department of Veterans Affairs)	$206,515	0.2%	Rank history: #45 in FY2022, #42 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
96	A.r.e. Design & Build, LLC Top agencies Commerce (Department of Commerce)	$206,100	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	B2 Constructors, LLC Top agencies VA (Department of Veterans Affairs)	$206,056	0.2%	Rank history: not on the FY2022 list, #22 in FY2023, #71 in FY2024 and #95 in FY2025; down 19 since FY2020.
98	Mitris Inc. Top agencies VA (Department of Veterans Affairs)	$203,360	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	R & M Government Services Inc. Top agencies VA (Department of Veterans Affairs)	$202,740	0.2%	Rank history: #56 in FY2022, #63 in FY2023, #47 in FY2024 and #59 in FY2025; down 10 since FY2020.
100	CS Group, Inc. Top agencies DOI (Department of the Interior)	$197,914	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 694 contractors listed here. See the rest on GovTribe.

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 $108 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. 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 PSC J045 contractors in FY2021?

1. Centerpoint Energy, Inc. ($10.4M), 2. Ashford Leebcor Enterprises Iii, LLC ($8.53M), 3. Four Tribes Enterprises, LLC ($6.48M), 4. Trane U.S. Inc. ($6.01M), 5. EMCOR Group, Inc. ($3.22M), 6. Delta Solutions & Strategies LLC ($2.16M), 7. Southern Aire Contracting, Inc. ($1.72M), 8. Junction Incorporated ($1.58M), 9. Bering Straits Native Corporation ($1.55M), 10. Amalgamated Services, Inc. ($1.45M).

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