Top 100 Contractors in PSC J035: Maintenance, Repair and Rebuilding of Equipment: Service and Trade Equipment, FY2021

Name: Top 100 Contractors in PSC J035: Maintenance, Repair and Rebuilding of Equipment: Service and Trade Equipment, FY2021
Creator: GovTribe

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

The top 10 won 74% of FY2021 PSC J035 contract dollars

Contract obligations: $147,047,366 Net of deobligations, by contracts coded PSC J035
Contractors: 363 Parent companies with an obligation
Largest contractor: Avmac LLC $50.8 million, 32.5% 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	Avmac LLC Top agencies Navy (Department of the Navy)	$50,786,453	32.5%	Rank history: #1 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
2	RTX Corporation 3 awardees, including Raytheon Company and Rockwell Collins, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$28,212,026	18.1%	Rank history: #3 in FY2022, #3 in FY2023, #3 in FY2024 and #2 in FY2025; up 111 since FY2020.
3	Siemens Aktiengesellschaft 2 awardees, including Siemens Industry Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$11,779,205	7.5%	Rank history: #4 in FY2022, #8 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
4	B3 Enterprises LLC Top agencies USDA (Department of Agriculture)	$7,384,405	4.7%	Rank history: #18 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
5	Amentum Services, Inc. Top agencies Army (Department of the Army)	$4,768,325	3.1%	Rank history: #8 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
6	Inspection Experts Inc. Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs)	$2,942,381	1.9%	Rank history: #7 in FY2022, #9 in FY2023, #14 in FY2024 and not on the FY2025 list; down 1 since FY2020.
7	Integrity National Corporation Top agencies GSA (General Services Administration)	$2,738,205	1.8%	Rank history: #27 in FY2022 and not on the FY2023–FY2025 lists; down 3 since FY2020.
8	Pride Industries Top agencies Army (Department of the Army)	$2,210,421	1.4%	Rank history: #6 in FY2022 and not on the FY2023–FY2025 lists; up 60 since FY2020.
9	Greenefficient Inc. Top agencies VA (Department of Veterans Affairs)	$2,060,391	1.3%	Rank history: #22 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
10	Delaware Elevator, Inc. Top agencies Treasury (Department of the Treasury) DOI (Department of the Interior)	$1,844,480	1.2%	Rank history: not on the FY2022 list, #15 in FY2023, #68 in FY2024 and #8 in FY2025; new, not ranked in FY2020.
11	Elevated Technologies Services, LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$1,824,719	1.2%	Rank history: #9 in FY2022, #7 in FY2023, #6 in FY2024 and #4 in FY2025; down 4 since FY2020.
12	Caterpillar Inc. 2 awardees, including Solar Turbines Incorporated Top agencies GSA (General Services Administration) Navy (Department of the Navy)	$1,509,059	1.0%	Rank history: not on the FY2022 list, #13 in FY2023, #10 in FY2024 and #15 in FY2025; down 3 since FY2020.
13	TK Elevator Corporation 4 awardees, including Thyssenkrupp Elevator Corporation Top agencies National Gallery of Art VA (Department of Veterans Affairs) GSA (General Services Administration)	$1,372,649	0.9%	Rank history: #10 in FY2022, #27 in FY2023, #24 in FY2024 and #47 in FY2025; new, not ranked in FY2020.
14	Ashland Industrial Services, LLC Through A&E Elevator, LLC Top agencies Navy (Department of the Navy)	$1,283,206	0.8%	Rank history: not on the FY2022 list, #76 in FY2023, #62 in FY2024 and #60 in FY2025; new, not ranked in FY2020.
15	Interdyne Corp Top agencies Army (Department of the Army)	$1,262,980	0.8%	Rank history: #14 in FY2022, #12 in FY2023, #9 in FY2024 and #5 in FY2025; new, not ranked in FY2020.
16	PC Mechanical, Inc. Top agencies Navy (Department of the Navy)	$1,262,770	0.8%	Rank history: #11 in FY2022, #5 in FY2023, #4 in FY2024 and #3 in FY2025; new, not ranked in FY2020.
17	Mid-American Elevator Company, Inc. Top agencies VA (Department of Veterans Affairs)	$1,130,733	0.7%	Rank history: #25 in FY2022 and not on the FY2023–FY2025 lists; down 6 since FY2020.
18	Pennoyer Construction LLC Top agencies USDA (Department of Agriculture)	$1,113,649	0.7%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
19	Fujitec Co. Ltd. Through Fujitec America, Inc. Top agencies GSA (General Services Administration)	$1,070,620	0.7%	Rank history: #15 in FY2022, #20 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
20	Schindler Holding AG 2 awardees, including Schindler Elevator Corporation Top agencies VA (Department of Veterans Affairs)	$965,372	0.6%	Rank history: #17 in FY2022 and not on the FY2023–FY2025 lists; up 310 since FY2020.
21	Kone Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) USDA (Department of Agriculture)	$943,163	0.6%	Rank history: #56 in FY2022, #43 in FY2023, #33 in FY2024 and #67 in FY2025; up 40 since FY2020.
22	Agiliti Health Inc. Top agencies Army (Department of the Army)	$925,204	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
23	Atlantic Blueridge Elevator Company Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$803,877	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
24	Canon Inc. 2 awardees, including Canon Medical Systems Usa, Inc. and Canon U.s.a., Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$758,485	0.5%	Rank history: #42 in FY2022 and not on the FY2023–FY2025 lists; down 4 since FY2020.
25	L3Harris Technologies, Inc. 4 awardees, including L3 Technologies, Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice) Navy (Department of the Navy)	$671,479	0.4%	Rank history: not on the FY2022 list, #72 in FY2023 and not on the FY2024–FY2025 lists; up 42 since FY2020.
26	Johnson Controls Security Solutions LLC 2 awardees, including Johnson Controls, Inc. Top agencies VA (Department of Veterans Affairs) SSA (Social Security Administration) USDA (Department of Agriculture)	$667,201	0.4%	Rank history: #13 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
27	Koninklijke Philips N.V. 2 awardees, including Philips North America LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$655,505	0.4%	Rank history: #28 in FY2022, #53 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
28	Swiss Devco Top agencies Navy (Department of the Navy)	$591,663	0.4%	Rank history: not on the FY2022–FY2025 lists; down 11 since FY2020.
29	Centric Elevator Corporation Through Centric Elevator Corporation of Oregon, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) USDA (Department of Agriculture)	$532,396	0.3%	Rank history: #23 in FY2022, #31 in FY2023, #19 in FY2024 and #20 in FY2025; up 73 since FY2020.
30	Valcorp Enterprises LLC Top agencies Army (Department of the Army)	$485,902	0.3%	Rank history: #39 in FY2022, #42 in FY2023, #72 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
31	Excalibur Laundries, Inc. Top agencies Army (Department of the Army)	$469,809	0.3%	Rank history: #29 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
32	Mckinstry Essention, Inc. Top agencies GSA (General Services Administration)	$462,825	0.3%	Rank history: #21 in FY2022, #22 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
33	Multi Air Services Engineers, Corp Top agencies GSA (General Services Administration)	$450,134	0.3%	Rank history: #24 in FY2022, #29 in FY2023 and not on the FY2024–FY2025 lists; down 10 since FY2020.
34	Century Elevator Inc. Top agencies Army (Department of the Army)	$404,950	0.3%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
35	DV Solutions LLC Top agencies VA (Department of Veterans Affairs)	$392,567	0.3%	Rank history: #31 in FY2022, #36 in FY2023, #60 in FY2024 and not on the FY2025 list; down 9 since FY2020.
36	Johnsondanforth, Inc. Top agencies VA (Department of Veterans Affairs)	$358,054	0.2%	Rank history: #19 in FY2022, #25 in FY2023, #20 in FY2024 and #21 in FY2025; down 7 since FY2020.
37	Chelshua Corp Top agencies DOI (Department of the Interior)	$343,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
38	M N I Diesel, LLC Top agencies VA (Department of Veterans Affairs)	$340,096	0.2%	Rank history: #43 in FY2022, #48 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
39	Action Facilities Management Inc. Top agencies DOL (Department of Labor)	$329,517	0.2%	Rank history: not on the FY2022–FY2025 lists; down 26 since FY2020.
40	DB Systems TECH Inc. Top agencies VA (Department of Veterans Affairs)	$329,449	0.2%	Rank history: not on the FY2022–FY2025 lists; up 12 since FY2020.
41	Rollins Field Service, Inc. Top agencies DOI (Department of the Interior)	$318,253	0.2%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
42	Burniche Piping, Inc. Top agencies Army (Department of the Army)	$290,000	0.2%	Rank history: #70 in FY2022, #23 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
43	Nitelines Offensive Defensive Systems (Nods), Inc. Top agencies Army (Department of the Army)	$261,674	0.2%	Rank history: #72 in FY2022 and not on the FY2023–FY2025 lists; up 21 since FY2020.
44	Scriptpro LLC Through Scriptpro USA Inc. Top agencies VA (Department of Veterans Affairs)	$259,725	0.2%	Rank history: #62 in FY2022, #59 in FY2023 and not on the FY2024–FY2025 lists; up 114 since FY2020.
45	Perii, Inc. Top agencies USAF (Department of the Air Force)	$259,363	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	Winergy LLC Top agencies VA (Department of Veterans Affairs)	$258,409	0.2%	Rank history: #64 in FY2022, #75 in FY2023, #99 in FY2024 and not on the FY2025 list; up 12 since FY2020.
47	Parker Home Systems LLC Top agencies Army (Department of the Army)	$258,109	0.2%	Rank history: #68 in FY2022, not on the FY2023 list, #79 in FY2024 and #63 in FY2025; up 4 since FY2020.
48	Edward Erickson Top agencies DOI (Department of the Interior)	$218,915	0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
49	OSI Systems Inc. 2 awardees, including Rapiscan Systems Inc. and American Science & Engineering Inc. Top agencies DOD (Department of Defense) DOL (Department of Labor) DLA (Defense Logistics Agency)	$215,562	0.1%	Rank history: #45 in FY2022, #56 in FY2023 and not on the FY2024–FY2025 lists; down 15 since FY2020.
50	Aerospace Facilities Group, Inc. Top agencies USAF (Department of the Air Force)	$210,893	0.1%	Rank history: not on the FY2022 list, #66 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
51	W H Thomas Oil Co, Inc. Top agencies VA (Department of Veterans Affairs)	$185,550	0.1%	Rank history: not on the FY2022–FY2025 lists; up 46 since FY2020.
52	Panacea Construction Group LLC Top agencies VA (Department of Veterans Affairs)	$184,720	0.1%	Rank history: #83 in FY2022, #78 in FY2023 and not on the FY2024–FY2025 lists; down 21 since FY2020.
53	Advanced Monitoring Methods LLC Top agencies HHS (Department of Health and Human Services)	$183,913	0.1%	Rank history: #63 in FY2022, not on the FY2023 list, #67 in FY2024 and #92 in FY2025; down 6 since FY2020.
54	Cummins-Wagner Company, Inc. Top agencies Navy (Department of the Navy)	$182,225	0.1%	Rank history: not on the FY2022–FY2025 lists; up 182 since FY2020.
55	Brandywine Elevator Company Inc. Top agencies VA (Department of Veterans Affairs)	$182,119	0.1%	Rank history: not on the FY2022–FY2025 lists; up 10 since FY2020.
56	Thyssenkrupp Elevator Corporation Through TK Elevator Corporation Top agencies VA (Department of Veterans Affairs)	$181,500	0.1%	Rank history: not on the FY2022–FY2025 lists; down 46 since FY2020.
57	J'S Associates, LLC Top agencies GSA (General Services Administration)	$180,510	0.1%	Rank history: not on the FY2022–FY2025 lists; down 11 since FY2020.
58	Tri-State Industrial Contractors, Inc. Top agencies Army (Department of the Army)	$180,240	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Penobscot Support Services, LLC Top agencies Commerce (Department of Commerce)	$179,998	0.1%	Rank history: #81 in FY2022, #91 in FY2023, #82 in FY2024 and #82 in FY2025; up 4 since FY2020.
60	Sky High Elevator Corp Top agencies DOI (Department of the Interior)	$176,786	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	Protec Facility Solutions GMBH Top agencies DECA (Defense Commissary Agency)	$176,264	0.1%	Rank history: #20 in FY2022, #10 in FY2023, #15 in FY2024 and #40 in FY2025; down 25 since FY2020.
62	Vetpride Services, Inc. Top agencies Navy (Department of the Navy)	$168,987	0.1%	Rank history: #32 in FY2022, #45 in FY2023, #32 in FY2024 and #22 in FY2025; new, not ranked in FY2020.
63	Vertical Options LLC Top agencies USAF (Department of the Air Force)	$163,899	0.1%	Rank history: not on the FY2022–FY2024 lists and #76 in FY2025; new, not ranked in FY2020.
64	Crane & Hoist Services Ltd Top agencies Army (Department of the Army)	$162,357	0.1%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; down 11 since FY2020.
65	H&E Equipment Services, Inc. Top agencies Army (Department of the Army)	$157,141	0.1%	Rank history: not on the FY2022–FY2025 lists; up 174 since FY2020.
66	Finzer Holding LLC 2 awardees, including Finzer Roller, Inc. Top agencies Treasury (Department of the Treasury)	$151,670	0.1%	Rank history: #54 in FY2022, #44 in FY2023, #54 in FY2024 and #69 in FY2025; up 75 since FY2020.
67	Liberty Elevator Corporation Top agencies DOI (Department of the Interior)	$147,109	0.1%	Rank history: not on the FY2022–FY2025 lists; up 151 since FY2020.
68	Becton, Dickinson and Co 2 awardees, including Carefusion Solutions, LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$142,524	0.1%	Rank history: not on the FY2022–FY2024 lists and #11 in FY2025; down 14 since FY2020.
69	Keystone Maintenance Services Corp Top agencies Army (Department of the Army) Commerce (Department of Commerce)	$140,150	0.1%	Rank history: #53 in FY2022, not on the FY2023–FY2024 lists and #27 in FY2025; up 59 since FY2020.
70	Power Machinery Center Top agencies Navy (Department of the Navy)	$136,838	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	Teledyne Technologies Incorporated Through Teledyne Flir Defense, LLC Top agencies DHS (Department of Homeland Security)	$135,882	0.1%	Rank history: not on the FY2022 list, #60 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
72	Avidity Science, LLC Top agencies Army (Department of the Army)	$135,549	0.1%	Rank history: #78 in FY2022, #88 in FY2023, #84 in FY2024 and #77 in FY2025; up 3 since FY2020.
73	Brown Point Facility Management Solutions, LLC Top agencies Army (Department of the Army) GSA (General Services Administration) DOJ (Department of Justice)	$129,202	0.1%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; up 83 since FY2020.
74	Stryker Corporation Through Stryker Sales, LLC Top agencies Army (Department of the Army)	$128,285	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
75	KC Elevator Co.,Ltd Top agencies Navy (Department of the Navy)	$127,791	0.1%	Rank history: not on the FY2022–FY2023 lists, #86 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
76	Nabco Systems LLC Top agencies USAF (Department of the Air Force)	$124,900	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
77	Heritage Services LLC Top agencies Army (Department of the Army)	$124,861	0.1%	Rank history: #80 in FY2022, #63 in FY2023, #66 in FY2024 and #75 in FY2025; new, not ranked in FY2020.
78	Schneider Electric Buildings Americas Inc. Through Schneider Electric Usa, Inc. Top agencies SSA (Social Security Administration)	$124,526	0.1%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; down 30 since FY2020.
79	N R G Building Services, LLC Top agencies DSCA (Defense Security Cooperation Agency)	$124,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	NWB Sensors Inc. Top agencies USDA (Department of Agriculture)	$123,280	0.1%	Rank history: not on the FY2022–FY2023 lists, #39 in FY2024 and #26 in FY2025; new, not ranked in FY2020.
81	Climate Sensor Systems LLC Top agencies USDA (Department of Agriculture)	$123,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Otis Elevator Company 2 awardees, including North American Elevator Services Company Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration) HHS (Department of Health and Human Services)	$121,071	0.1%	Rank history: #69 in FY2022 and not on the FY2023–FY2025 lists; up 77 since FY2020.
83	Erdogan Kara Top agencies USAF (Department of the Air Force)	$119,358	0.1%	Rank history: #97 in FY2022, not on the FY2023 list, #42 in FY2024 and #88 in FY2025; up 9 since FY2020.
84	CS Monical Contractor LLC Top agencies VA (Department of Veterans Affairs)	$116,291	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	Straight Up Elevator Co Top agencies Army (Department of the Army)	$115,002	0.1%	Rank history: #35 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; down 19 since FY2020.
86	Bayline Lift Technologies LLC Top agencies GSA (General Services Administration)	$114,333	0.1%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; down 15 since FY2020.
87	Baxter International Inc. Through Baxter Healthcare Corporation Top agencies VA (Department of Veterans Affairs)	$113,997	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
88	Reading Elevator Service, Inc. Top agencies VA (Department of Veterans Affairs)	$103,556	0.1%	Rank history: #57 in FY2022 and not on the FY2023–FY2025 lists; down 33 since FY2020.
89	Finzer Roller Inc. Top agencies Treasury (Department of the Treasury)	$101,415	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	All Equipment Co Top agencies Army (Department of the Army)	$100,725	0.1%	Rank history: #86 in FY2022, #95 in FY2023 and not on the FY2024–FY2025 lists; down 13 since FY2020.
91	Felix Bottcher GMBH & Co. KG Through Bottcher America Corporation Top agencies Treasury (Department of the Treasury)	$100,117	0.1%	Rank history: #50 in FY2022, #73 in FY2023 and not on the FY2024–FY2025 lists; up 132 since FY2020.
92	Service Mechanical Inc. Top agencies National Gallery of Art	$100,000	0.1%	Rank history: #41 in FY2022, #38 in FY2023, #40 in FY2024 and #29 in FY2025; new, not ranked in FY2020.
93	AK Constructors, Inc. Top agencies DOT (Department of Transportation)	$97,400	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Varex Imaging Corp Top agencies Army (Department of the Army)	$97,400	0.1%	Rank history: #58 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
95	Kleen Air Systems Inc. Top agencies Army (Department of the Army)	$96,830	0.1%	Rank history: not on the FY2022–FY2025 lists; down 16 since FY2020.
96	Eagle Elevator Company, Inc. Top agencies Army (Department of the Army)	$93,410	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	The Remi Group LLC Top agencies USAF (Department of the Air Force)	$90,702	0.1%	Rank history: #99 in FY2022 and not on the FY2023–FY2025 lists; down 35 since FY2020.
98	Daikin Applied Americas Inc Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$90,684	0.1%	Rank history: #94 in FY2022 and not on the FY2023–FY2025 lists; down 56 since FY2020.
99	Dap Construction Management LLC Top agencies USAF (Department of the Air Force)	$88,660	0.1%	Rank history: #37 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
100	Bering Straits Native Corporation Through Bering Global Solutions, LLC Top agencies Navy (Department of the Navy)	$85,947	0.1%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.

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100 of 363 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 $156 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 J035 contractors in FY2021?

1. Avmac LLC ($50.8M), 2. RTX Corporation ($28.2M), 3. Siemens Aktiengesellschaft ($11.8M), 4. B3 Enterprises LLC ($7.38M), 5. Amentum Services, Inc. ($4.77M), 6. Inspection Experts Inc. ($2.94M), 7. Integrity National Corporation ($2.74M), 8. Pride Industries ($2.21M), 9. Greenefficient Inc. ($2.06M), 10. Delaware Elevator, Inc. ($1.84M).

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