Top 100 Pension Benefit Guaranty Corporation Contractors, FY2024

Name: Top 100 Pension Benefit Guaranty Corporation Contractors, FY2024
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Agency page on GovTribe

The top 10 won 48% of FY2024 Pension Benefit Guaranty Corporation contract dollars

Contract obligations: $346,130,286 Net of deobligations, by the Pension Benefit Guaranty Corporation and its offices
Contractors: 199 Parent companies with an obligation
Largest contractor: Serco Inc $62.8 million, 15.2% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Serco Inc Top NAICS codes 541330 Engineering Services 524292 Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds	$62,787,259	15.2%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2023 and #1 in FY2025; up 4 since FY2023.
2	Deloitte 3 awardees, including Deloitte Consulting LLP, Deloitte & Touche LLP and Deloitte Financial Advisory Services LLP Top NAICS codes 541611 Administrative Management and General Management Consulting Services 541519 Other Computer Related Services 541612 Human Resources Consulting Services	$31,458,248	7.6%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2025; new.
3	Science Applications International Corporation 3 awardees Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services 541512 Computer Systems Design Services	$30,683,498	7.4%	Rank history: #3 in FY2021, #2 in FY2022, #1 in FY2023 and #2 in FY2025; down 2 since FY2023.
4	State Street Corporation Top NAICS codes 541214 Payroll Services 523991 Trust, Fiduciary, and Custody Activities	$15,071,471	3.6%	Rank history: #7 in FY2021, #5 in FY2022, #7 in FY2023 and #6 in FY2025; up 3 since FY2023.
5	Wellington Management Group LLP Through Wellington Management Company LLP Top NAICS codes 523920 Portfolio Management 523110 Investment Banking and Securities Dealing	$12,300,000	3.0%	Rank history: #6 in FY2021, #9 in FY2022, #8 in FY2023 and not on the FY2025 list; up 3 since FY2023.
6	Nisa Investment Advisors LLC Top NAICS codes 523110 Investment Banking and Securities Dealing	$10,801,323	2.6%	Rank history: #11 in FY2021, #12 in FY2022, #6 in FY2023 and #12 in FY2025; unchanged since FY2023.
7	Prudential Financial Inc. 2 awardees, including Pgim, Inc. Top NAICS codes 523920 Portfolio Management	$9,408,001	2.3%	Rank history: #8 in FY2021, #11 in FY2022, #10 in FY2023 and #14 in FY2025; up 3 since FY2023.
8	Salient Crgt, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$9,384,499	2.3%	Rank history: not on the FY2021 list, #14 in FY2022, #83 in FY2023 and not on the FY2025 list; up 75 since FY2023.
9	Advanced Technology Systems Inc. 2 awardees, including Salient Crgt, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$9,083,109	2.2%	Rank history: #4 in FY2021, #68 in FY2022, #3 in FY2023 and not on the FY2025 list; down 6 since FY2023.
10	Milliman, Inc. 3 awardees Top NAICS codes 541611 Administrative Management and General Management Consulting Services 541612 Human Resources Consulting Services	$8,930,284	2.2%	Rank history: #34 in FY2021, #84 in FY2022, #24 in FY2023 and #7 in FY2025; up 14 since FY2023.
11	ManTech International Corporation 3 awardees, including Mantech Advanced Systems International, Inc. Top NAICS codes 541512 Computer Systems Design Services	$8,894,311	2.1%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2025; new.
12	Regan Technologies Corp Top NAICS codes 541519 Other Computer Related Services	$8,774,973	2.1%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2023 and #4 in FY2025; up 17 since FY2023.
13	Pacific Investment Management Company LLC 2 awardees Top NAICS codes 523920 Portfolio Management	$8,347,100	2.0%	Rank history: #9 in FY2021, #8 in FY2022, #9 in FY2023 and not on the FY2025 list; down 4 since FY2023.
14	CGI Federal Inc. Top NAICS codes 541519 Other Computer Related Services	$7,581,877	1.8%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2025; new.
15	Bolton Partners, Inc. 2 awardees, including Bolton Partners D.c., Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services 541612 Human Resources Consulting Services	$6,904,359	1.7%	Rank history: #18 in FY2021, #16 in FY2022, #14 in FY2023 and #10 in FY2025; down 1 since FY2023.
16	Arrowstreet Capital LP Top NAICS codes 523920 Portfolio Management	$6,552,270	1.6%	Rank history: #13 in FY2021, #17 in FY2022, #15 in FY2023 and #13 in FY2025; down 1 since FY2023.
17	Franklin Resources Inc. Through Western Asset Management Co, LLC Top NAICS codes 523920 Portfolio Management	$6,000,000	1.5%	Rank history: #19 in FY2021, #20 in FY2022, #16 in FY2023 and not on the FY2025 list; down 1 since FY2023.
18	Grant Thornton LLP Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$5,544,486	1.3%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2025; new.
19	Wells Fargo & Company Through Allspring Global Investments, LLC Top NAICS codes 523920 Portfolio Management	$5,000,000	1.2%	Rank history: #33 in FY2021, #23 in FY2022, #19 in FY2023 and not on the FY2025 list; unchanged since FY2023.
20	Martek Global Services, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$4,186,417	1.0%	Rank history: not on the FY2021 list, #31 in FY2022, #21 in FY2023 and #40 in FY2025; up 1 since FY2023.
21	TCW Asset Management Company LLC Top NAICS codes 523920 Portfolio Management	$4,000,000	1.0%	Rank history: #16 in FY2021, #26 in FY2022, #22 in FY2023 and not on the FY2025 list; up 1 since FY2023.
22	BAE Systems PLC Through BAE Systems Technology Solutions & Services Inc. Top NAICS codes 541219 Other Accounting Services	$3,246,955	0.8%	Rank history: #32 in FY2021, #35 in FY2022, #26 in FY2023 and not on the FY2025 list; up 4 since FY2023.
23	Colchester Global Investors Limited Top NAICS codes 523940 Portfolio Management and Investment Advice 523110 Investment Banking and Securities Dealing	$3,115,692	0.8%	Rank history: #42 in FY2021, #37 in FY2022, #35 in FY2023 and not on the FY2025 list; up 12 since FY2023.
24	Carahsoft Technology Corp Top NAICS codes 511210 Software Publishers	$3,047,159	0.7%	Rank history: #46 in FY2021, #39 in FY2022, #37 in FY2023 and #39 in FY2025; up 13 since FY2023.
25	Cerberus Cyber Sentinel Corporation Through Talatek, LLC Top NAICS codes 541519 Other Computer Related Services	$2,790,214	0.7%	Rank history: not on the FY2021 list, #25 in FY2022, #30 in FY2023 and #23 in FY2025; up 5 since FY2023.
26	Valiant Solutions LLC Top NAICS codes 541519 Other Computer Related Services	$2,652,886	0.6%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and #26 in FY2025; up 8 since FY2023.
27	Ernst & Young LLP 2 awardees Top NAICS codes 541211 Offices of Certified Public Accountants	$2,587,738	0.6%	Rank history: #37 in FY2021, #50 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
28	Mythics Inc. Through Emergent, LLC Top NAICS codes 541519 Other Computer Related Services	$2,518,912	0.6%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2025; new.
29	FCN, Inc. Top NAICS codes 541519 Other Computer Related Services	$2,513,456	0.6%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2023 and #29 in FY2025; up 11 since FY2023.
30	VG Systems LLC Top NAICS codes 541511 Custom Computer Programming Services 541611 Administrative Management and General Management Consulting Services	$2,408,953	0.6%	Rank history: #62 in FY2021, #65 in FY2022, #56 in FY2023 and #33 in FY2025; up 26 since FY2023.
31	CGI Technologies and Solutions Inc. Through CGI Federal Inc. Top NAICS codes 541519 Other Computer Related Services	$2,295,371	0.6%	Rank history: #15 in FY2021, #18 in FY2022, #13 in FY2023 and not on the FY2025 list; down 18 since FY2023.
32	Lumen Technologies, Inc. Through Lumen Technologies Government Solutions, Inc. Top NAICS codes 517110 Wired Telecommunications Carriers	$2,282,754	0.6%	Rank history: #28 in FY2021, #100 in FY2022, #73 in FY2023 and #28 in FY2025; up 41 since FY2023.
33	Neuberger Berman Investment Advisers LLC Top NAICS codes 523920 Portfolio Management	$2,021,150	0.5%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2025; new.
34	The Goldman Sachs Group Inc Through Goldman Sachs Asset Management, L.P Top NAICS codes 523920 Portfolio Management	$2,000,000	0.5%	Rank history: #47 in FY2021, #19 in FY2022, #20 in FY2023 and not on the FY2025 list; down 14 since FY2023.
35	Dell Federal Systems L.P. Top NAICS codes 541519 Other Computer Related Services	$1,949,366	0.5%	Rank history: #22 in FY2021, #28 in FY2022, #18 in FY2023 and not on the FY2025 list; down 17 since FY2023.
36	Bolton Partners D.c., Inc. Top NAICS codes 541612 Human Resources Consulting Services	$1,883,589	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
37	Spectrum International, Incorporated Top NAICS codes 523991 Trust, Fiduciary, and Custody Activities	$1,862,411	0.5%	Rank history: #58 in FY2021, #61 in FY2022, #50 in FY2023 and #49 in FY2025; up 13 since FY2023.
38	Semanticbits LLC Through ICF Incorporated, L.L.C. Top NAICS codes 541611 Administrative Management and General Management Consulting Services 541512 Computer Systems Design Services	$1,671,152	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
39	Hana-Procon JV, LLC Top NAICS codes 541330 Engineering Services	$1,593,559	0.4%	Rank history: not on the FY2021 list, #49 in FY2022, #45 in FY2023 and #42 in FY2025; up 6 since FY2023.
40	T. White Parker Associates, Incorporated Top NAICS codes 541512 Computer Systems Design Services	$1,591,437	0.4%	Rank history: #82 in FY2021, #64 in FY2022, #46 in FY2023 and #62 in FY2025; up 6 since FY2023.
41	The Bank of New York Mellon Corporation Through Eagle Investment Systems LLC Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$1,582,872	0.4%	Rank history: #51 in FY2021, #54 in FY2022, #43 in FY2023 and not on the FY2025 list; up 2 since FY2023.
42	Marathon Asset Management Limited Top NAICS codes 523920 Portfolio Management	$1,539,187	0.4%	Rank history: not on the FY2021 list, #3 in FY2022, #17 in FY2023 and #16 in FY2025; down 25 since FY2023.
43	Blackrock Institutional Trust Company National Association Top NAICS codes 523920 Portfolio Management	$1,500,000	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
44	Lynchval Systems Worldwide, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$1,462,993	0.4%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2025; new.
45	MFS Institutional Advisors Inc Top NAICS codes 523110 Investment Banking and Securities Dealing	$1,200,000	0.3%	Rank history: #61 in FY2021, #56 in FY2022, #53 in FY2023 and not on the FY2025 list; up 8 since FY2023.
46	Mercer Investments LLC Top NAICS codes 523930 Investment Advice	$1,199,945	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
47	Chainbridge Solutions Incorporated Top NAICS codes 541519 Other Computer Related Services 561210 Facilities Support Services	$1,108,015	0.3%	Rank history: #50 in FY2021, #53 in FY2022, #48 in FY2023 and #60 in FY2025; up 1 since FY2023.
48	Bloomberg L.P. 3 awardees, including Bloomberg Industry Group, Inc. Top NAICS codes 511130 Book Publishers 519290 Web Search Portals and All Other Information Services 519130 Internet Publishing and Broadcasting and Web Search Portals	$1,026,822	0.2%	Rank history: #57 in FY2021, #85 in FY2022, #63 in FY2023 and #44 in FY2025; up 15 since FY2023.
49	Buck Global LLC Top NAICS codes 541612 Human Resources Consulting Services	$1,020,985	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
50	Software Information Resource Corp Top NAICS codes 541519 Other Computer Related Services	$935,286	0.2%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and #58 in FY2025; up 11 since FY2023.
51	General Motors Company 2 awardees, including Performance Equity Management, LLC and General Motors Investment Management Corp Top NAICS codes 523110 Investment Banking and Securities Dealing	$931,318	0.2%	Rank history: #78 in FY2021, #77 in FY2022, #52 in FY2023 and #45 in FY2025; up 1 since FY2023.
52	Pugh Capital Management Inc. Top NAICS codes 523940 Portfolio Management and Investment Advice	$913,132	0.2%	Rank history: not on the FY2021 list, #60 in FY2022, #75 in FY2023 and #50 in FY2025; up 23 since FY2023.
53	Four LLC Top NAICS codes 541519 Other Computer Related Services 511210 Software Publishers	$910,989	0.2%	Rank history: #56 in FY2021, #73 in FY2022, #62 in FY2023 and #65 in FY2025; up 9 since FY2023.
54	Dell Technologies Inc. Through Dell Federal Systems L.P Top NAICS codes 541519 Other Computer Related Services	$895,930	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
55	Castro & Company, LLC Top NAICS codes 541219 Other Accounting Services	$858,755	0.2%	Rank history: #55 in FY2021, #59 in FY2022, #58 in FY2023 and #37 in FY2025; up 3 since FY2023.
56	Thomson Company Inc the Through West Publishing Corporation Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$842,326	0.2%	Rank history: not on the FY2021–FY2023 lists and #56 in FY2025; new.
57	Cape Fox Corporation Through Eagle Health, LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$783,533	0.2%	Rank history: not on the FY2021–FY2023 lists and #61 in FY2025; new.
58	Fedwriters, Inc. Top NAICS codes 541330 Engineering Services	$757,797	0.2%	Rank history: not on the FY2021 list, #82 in FY2022, #70 in FY2023 and #63 in FY2025; up 12 since FY2023.
59	New Century Advisors LLC Top NAICS codes 523940 Portfolio Management and Investment Advice	$750,438	0.2%	Rank history: #92 in FY2021, #62 in FY2022, #51 in FY2023 and #57 in FY2025; down 8 since FY2023.
60	Pac Solutions LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$745,500	0.2%	Rank history: #70 in FY2021, #71 in FY2022, not on the FY2023 list and #99 in FY2025; returned.
61	Merganser Capital Management, LLC Top NAICS codes 523940 Portfolio Management and Investment Advice	$725,000	0.2%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2025; new.
62	Chickasaw Health Consulting, LLC Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$723,654	0.2%	Rank history: #17 in FY2021, #38 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
63	Arrow Electronics, Inc. Through Immixtechnology Inc. Top NAICS codes 541519 Other Computer Related Services	$708,720	0.2%	Rank history: #69 in FY2021, not on the FY2022 list, #67 in FY2023 and #64 in FY2025; up 4 since FY2023.
64	Longfellow Investment Management Co., LLC Top NAICS codes 523940 Portfolio Management and Investment Advice	$619,757	0.1%	Rank history: #99 in FY2021, #63 in FY2022, #68 in FY2023 and #59 in FY2025; up 4 since FY2023.
65	Brmi Holdings Corporation Through Brmi Corporation Top NAICS codes 541511 Custom Computer Programming Services	$593,180	0.1%	Rank history: #52 in FY2021, #52 in FY2022, #55 in FY2023 and not on the FY2025 list; down 10 since FY2023.
66	S&P Global Market Intelligence LLC Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals 541219 Other Accounting Services	$586,354	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
67	Grant Thornton International Ltd Through Grant Thornton LLP Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$575,271	0.1%	Rank history: #10 in FY2021, #15 in FY2022, #11 in FY2023 and not on the FY2025 list; down 56 since FY2023.
68	The Northridge Group, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$563,139	0.1%	Rank history: #74 in FY2021, #81 in FY2022, #76 in FY2023 and #80 in FY2025; up 8 since FY2023.
69	Ramirez Asset Management, Inc. Top NAICS codes 523940 Portfolio Management and Investment Advice	$560,000	0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2025; new.
70	At&T Inc. Through Att Mobility LLC Top NAICS codes 517312 Wireless Telecommunications Carriers (except Satellite)	$554,428	0.1%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2025; new.
71	Four Points Technology, L.L.C. Top NAICS codes 541519 Other Computer Related Services	$546,600	0.1%	Rank history: #80 in FY2021, #79 in FY2022, #77 in FY2023 and #70 in FY2025; up 6 since FY2023.
72	International Business Machines Corporation Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$519,907	0.1%	Rank history: #67 in FY2021, not on the FY2022 list, #82 in FY2023 and not on the FY2025 list; up 10 since FY2023.
73	Schroder Investment Management North America Inc. Top NAICS codes 523920 Portfolio Management	$506,317	0.1%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2025; new.
74	Colossal Contracting LLC Top NAICS codes 541519 Other Computer Related Services	$502,296	0.1%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2023 and #72 in FY2025; up 6 since FY2023.
75	Alvarez LLC Top NAICS codes 541519 Other Computer Related Services	$495,808	0.1%	Rank history: not on the FY2021 list, #92 in FY2022, not on the FY2023 list and #81 in FY2025; up 74 since FY2023.
76	Truetandem, LLC Top NAICS codes 313311 Broadwoven Fabric Finishing Mills	$494,491	0.1%	Rank history: not on the FY2021 list, #88 in FY2022, #81 in FY2023 and #90 in FY2025; up 5 since FY2023.
77	J. P. Morgan Investment Management Inc. Through J.p. Morgan Investment Management Inc. Top NAICS codes 523930 Investment Advice 523991 Trust, Fiduciary, and Custody Activities	$476,557	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
78	Gartner, Inc. Top NAICS codes 541519 Other Computer Related Services	$461,074	0.1%	Rank history: #81 in FY2021, #86 in FY2022, #79 in FY2023 and not on the FY2025 list; up 1 since FY2023.
79	Bloomberg Finance LP Top NAICS codes 519290 Web Search Portals and All Other Information Services	$449,160	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	The Clearing, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$442,048	0.1%	Rank history: #86 in FY2021, #83 in FY2022, #78 in FY2023 and not on the FY2025 list; down 2 since FY2023.
81	Premier Group Services Inc. Top NAICS codes 541211 Offices of Certified Public Accountants	$432,943	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
82	Athena Consulting LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$412,602	0.1%	Rank history: not on the FY2021–FY2023 lists and #91 in FY2025; new.
83	Baillie Gifford Overseas Limited Top NAICS codes 523920 Portfolio Management	$410,138	0.1%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2025; new.
84	4 Star Technologies, Inc. Top NAICS codes 541519 Other Computer Related Services	$400,337	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 68 since FY2023.
85	National Investment Services of America, LLC Top NAICS codes 523940 Portfolio Management and Investment Advice	$400,000	0.1%	Rank history: not on the FY2021–FY2023 lists and #69 in FY2025; new.
86	Cameo Consulting Group LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$385,617	0.1%	Rank history: #73 in FY2021, #57 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
87	Conduent Federal Solutions LLC Through Buck Global LLC Top NAICS codes 541612 Human Resources Consulting Services	$348,524	0.1%	Rank history: #35 in FY2021, #22 in FY2022, #23 in FY2023 and not on the FY2025 list; down 64 since FY2023.
88	Mcgraw Hill Financial Inc. Through Capital IQ, Inc. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$334,877	0.1%	Rank history: #65 in FY2021, #70 in FY2022, #57 in FY2023 and #54 in FY2025; down 31 since FY2023.
89	Guidehouse Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$320,540	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
90	Washington Metropolitan Area Transit Authority Top NAICS codes 485111 Mixed Mode Transit Systems	$300,000	0.1%	Rank history: not on the FY2021–FY2023 lists and #47 in FY2025; up 13 since FY2023.
91	Aderas Inc. Top NAICS codes 541519 Other Computer Related Services	$296,378	0.1%	Rank history: #87 in FY2021, #93 in FY2022, #84 in FY2023 and #79 in FY2025; down 7 since FY2023.
92	Bureau Van Dijk Electronic Publishing Inc. Through Moody's Analytics, Inc. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$267,160	0.1%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2025; new.
93	Standard-Blazar, LLC Top NAICS codes 541519 Other Computer Related Services	$259,266	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
94	Lightfeather IO LLC Top NAICS codes 541512 Computer Systems Design Services	$258,784	0.1%	Rank history: not on the FY2021 list, #99 in FY2022, #90 in FY2023 and #84 in FY2025; down 4 since FY2023.
95	SP Plus Corporation Top NAICS codes 812930 Parking Lots and Garages	$233,030	0.1%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023 and #87 in FY2025; down 9 since FY2023.
96	Liberty Leadership Group, LLC Top NAICS codes 541612 Human Resources Consulting Services	$226,451	0.1%	Rank history: #97 in FY2021, not on the FY2022 list, #95 in FY2023 and not on the FY2025 list; down 1 since FY2023.
97	Towers Watson Delaware Inc. Through Willis Towers Watson US LLC Top NAICS codes 524292 Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds	$220,815	0.1%	Rank history: #36 in FY2021, #66 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
98	West 4TH Strategy LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$219,813	0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023 and not on the FY2025 list; down 11 since FY2023.
99	Relx Inc Top NAICS codes 511120 Periodical Publishers	$217,392	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 63 since FY2023.
100	Creditsights Inc. Top NAICS codes 519130 Internet Publishing and Broadcasting and Web Search Portals	$202,592	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.

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100 of 199 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 $414 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 Pension Benefit Guaranty Corporation contractors in FY2024?

1. Serco Inc ($62.8M), 2. Deloitte ($31.5M), 3. Science Applications International Corporation ($30.7M), 4. State Street Corporation ($15.1M), 5. Wellington Management Group LLP ($12.3M), 6. Nisa Investment Advisors LLC ($10.8M), 7. Prudential Financial Inc. ($9.41M), 8. Salient Crgt, Inc. ($9.38M), 9. Advanced Technology Systems Inc. ($9.08M), 10. Milliman, Inc. ($8.93M).

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