Top 100 Railroad Retirement Board Contractors, FY2023

Name: Top 100 Railroad Retirement Board Contractors, FY2023
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 80% of FY2023 Railroad Retirement Board contract dollars

Contract obligations: $69,358,045 Net of deobligations, by the Railroad Retirement Board and its offices
Contractors: 126 Parent companies with an obligation
Largest contractor: Blue Cross & Blue Shield of South Carolina $28.6 million, 40.8% 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	Blue Cross & Blue Shield of South Carolina Through Palmetto Gba, LLC Top NAICS codes 923120 Administration of Public Health Programs	$28,641,686	40.8%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and not on the FY2025 list; unchanged since FY2022.
2	International Business Machines Corporation Top NAICS codes 541512 Computer Systems Design Services	$9,770,513	13.9%	Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2024 and #8 in FY2025; unchanged since FY2022.
3	Procentrix, LLC Top NAICS codes 541519 Other Computer Related Services	$4,626,531	6.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #30 in FY2025; new.
4	CGI Technologies and Solutions Inc. Through CGI Federal Inc. Top NAICS codes 541519 Other Computer Related Services	$2,698,488	3.8%	Rank history: #3 in FY2021, #7 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
5	Insight Public Sector Inc. Top NAICS codes 541519 Other Computer Related Services	$2,445,908	3.5%	Rank history: #5 in FY2021, #5 in FY2022, #6 in FY2024 and #41 in FY2025; unchanged since FY2022.
6	RMA Associates LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$1,989,777	2.8%	Rank history: #10 in FY2021, #4 in FY2022, #7 in FY2024 and not on the FY2025 list; down 2 since FY2022.
7	Cherokee Nation System Solutions LLC Top NAICS codes 541519 Other Computer Related Services	$1,822,984	2.6%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2024 and #5 in FY2025; new.
8	Zion Cloud Solutions LLC 2 awardees Top NAICS codes 541512 Computer Systems Design Services	$1,639,174	2.3%	Rank history: #83 in FY2021, #23 in FY2022 and not on the FY2024–FY2025 lists; up 15 since FY2022.
9	Lumen Technologies, Inc. 2 awardees, including Lumen Technologies Government Solutions, Inc. Top NAICS codes 517110 Wired Telecommunications Carriers	$1,420,601	2.0%	Rank history: #4 in FY2021, #3 in FY2022, #15 in FY2024 and not on the FY2025 list; down 6 since FY2022.
10	At&T Inc. 2 awardees, including At&T Enterprises, LLC Top NAICS codes 517110 Wired Telecommunications Carriers	$1,038,377	1.5%	Rank history: #8 in FY2021, #6 in FY2022, #8 in FY2024 and #16 in FY2025; down 4 since FY2022.
11	Verizon Communications Inc. Through Cellco Partnership Top NAICS codes 541519 Other Computer Related Services 517312 Wireless Telecommunications Carriers (except Satellite)	$883,138	1.3%	Rank history: #15 in FY2021, #14 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
12	New TECH Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$775,232	1.1%	Rank history: #16 in FY2021, #11 in FY2022, #32 in FY2024 and #77 in FY2025; down 1 since FY2022.
13	WAI & Associates PLLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$736,412	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
14	Bona Fide Conglomerate Inc Top NAICS codes 561720 Janitorial Services	$723,250	1.0%	Rank history: not on the FY2021–FY2022 lists, #11 in FY2024 and #12 in FY2025; new.
15	Wilson 5 Service Company, Inc. Top NAICS codes 561210 Facilities Support Services	$693,009	1.0%	Rank history: #12 in FY2021, #12 in FY2022, #4 in FY2024 and #11 in FY2025; down 3 since FY2022.
16	Vtech Solution Inc. Top NAICS codes 541519 Other Computer Related Services	$642,979	0.9%	Rank history: not on the FY2021 list, #15 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
17	FCN, Inc. Top NAICS codes 541519 Other Computer Related Services	$489,663	0.7%	Rank history: #19 in FY2021, #18 in FY2022, #14 in FY2024 and #14 in FY2025; up 1 since FY2022.
18	Guroo LLC Top NAICS codes 541512 Computer Systems Design Services	$470,872	0.7%	Rank history: #27 in FY2021, #16 in FY2022, #30 in FY2024 and #33 in FY2025; down 2 since FY2022.
19	Red River Technology LLC Top NAICS codes 541519 Other Computer Related Services	$437,499	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
20	Pitney Bowes Inc. Top NAICS codes 333298 All Other Industrial Machinery Manufacturing	$437,273	0.6%	Rank history: #20 in FY2021, #25 in FY2022, #12 in FY2024 and #13 in FY2025; up 5 since FY2022.
21	Gartner, Inc. Top NAICS codes 541519 Other Computer Related Services	$386,243	0.5%	Rank history: #13 in FY2021, #26 in FY2022, #35 in FY2024 and not on the FY2025 list; up 5 since FY2022.
22	Accelera Solutions Inc. Top NAICS codes 541519 Other Computer Related Services	$344,214	0.5%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2024 and not on the FY2025 list; new.
23	Quality Associates Inc. Through Konica Minolta Business Solutions U.s.a, Inc. Top NAICS codes 333316 Photographic and Photocopying Equipment Manufacturing	$323,991	0.5%	Rank history: #22 in FY2021, #20 in FY2022, #17 in FY2024 and not on the FY2025 list; down 3 since FY2022.
24	Kpaul Properties LLC Top NAICS codes 541519 Other Computer Related Services	$322,785	0.5%	Rank history: #60 in FY2021, #65 in FY2022 and not on the FY2024–FY2025 lists; up 41 since FY2022.
25	Government Acquisitions LLC Top NAICS codes 541519 Other Computer Related Services	$322,655	0.5%	Rank history: #6 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
26	Lighthouse for the Blind of Houston Top NAICS codes 561410 Document Preparation Services	$267,537	0.4%	Rank history: not on the FY2021 list, #42 in FY2022, #22 in FY2024 and #23 in FY2025; up 16 since FY2022.
27	Sentinel Technologies, Inc. Top NAICS codes 541519 Other Computer Related Services	$265,291	0.4%	Rank history: #36 in FY2021, #36 in FY2022, #33 in FY2024 and #26 in FY2025; up 9 since FY2022.
28	CA Inc. Top NAICS codes 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers	$263,781	0.4%	Rank history: #35 in FY2021, #27 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
29	MJL Enterprises LLC 2 awardees Top NAICS codes 339940 Office Supplies (except Paper) Manufacturing	$262,752	0.4%	Rank history: #43 in FY2021, #34 in FY2022, #41 in FY2024 and #40 in FY2025; up 5 since FY2022.
30	Engie Resources LLC 2 awardees Top NAICS codes 221112 Fossil Fuel Electric Power Generation	$250,000	0.4%	Rank history: not on the FY2021 list, #44 in FY2022, #25 in FY2024 and #34 in FY2025; up 14 since FY2022.
31	Cameo Consulting Group LLC 2 awardees Top NAICS codes 541612 Human Resources Consulting Services	$221,976	0.3%	Rank history: not on the FY2021 list, #39 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
32	Cornerstone Ondemand Inc. Top NAICS codes 611420 Computer Training	$200,887	0.3%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2024 and not on the FY2025 list; new.
33	Castro & Company, LLC Top NAICS codes 541219 Other Accounting Services	$200,575	0.3%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2024 and #25 in FY2025; new.
34	ATP Gov, LLC Top NAICS codes 541519 Other Computer Related Services	$161,461	0.2%	Rank history: #26 in FY2021, #13 in FY2022, #62 in FY2024 and #45 in FY2025; down 21 since FY2022.
35	Salmon Group Inc. Top NAICS codes 541618 Other Management Consulting Services	$152,704	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
36	Celtic Commercial Painting LLC Top NAICS codes 238320 Painting and Wall Covering Contractors	$150,000	0.2%	Rank history: not on the FY2021 list, #38 in FY2022, #34 in FY2024 and not on the FY2025 list; up 2 since FY2022.
37	TM3 Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$146,724	0.2%	Rank history: #39 in FY2021, #41 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
38	Harper Rains Knight & Co Pa Top NAICS codes 541211 Offices of Certified Public Accountants	$122,728	0.2%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2024 and #39 in FY2025; new.
39	Granite Telecommunications, LLC Top NAICS codes 517110 Wired Telecommunications Carriers	$115,511	0.2%	Rank history: #42 in FY2021, #49 in FY2022, #39 in FY2024 and #36 in FY2025; up 10 since FY2022.
40	Acrolinx GMBH Top NAICS codes 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers	$104,400	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
41	DLT Solutions LLC Top NAICS codes 541519 Other Computer Related Services	$101,702	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
42	Constellation Newenergy - Gas Division, LLC Top NAICS codes 221210 Natural Gas Distribution	$100,000	0.1%	Rank history: #95 in FY2021, not on the FY2022 list, not on the FY2024 list and #29 in FY2025; returned.
43	Patton Contractors Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$99,070	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
44	Software Information Resource Corp Top NAICS codes 541519 Other Computer Related Services	$98,378	0.1%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2024 and #18 in FY2025; new.
45	Orion Group HVAC Holdings LLC Through Air Comfort, LLC Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors	$95,456	0.1%	Rank history: not on the FY2021 list, #67 in FY2022, #53 in FY2024 and not on the FY2025 list; up 22 since FY2022.
46	Tri-Logistics LLC Top NAICS codes 561499 All Other Business Support Services	$94,206	0.1%	Rank history: not on the FY2021 list, #22 in FY2022 and not on the FY2024–FY2025 lists; down 24 since FY2022.
47	Integration Technologies Group, Inc. Top NAICS codes 541519 Other Computer Related Services	$91,572	0.1%	Rank history: #37 in FY2021, #54 in FY2022, #43 in FY2024 and #35 in FY2025; up 7 since FY2022.
48	Executive Information Systems, L.L.C. Top NAICS codes 541519 Other Computer Related Services	$85,010	0.1%	Rank history: #46 in FY2021, #57 in FY2022, #45 in FY2024 and #42 in FY2025; up 9 since FY2022.
49	Oles Morrison Rinker & Baker LLP Top NAICS codes 541618 Other Management Consulting Services	$80,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	Sterling Computers Corporation Top NAICS codes 334111 Electronic Computer Manufacturing	$72,166	0.1%	Rank history: not on the FY2021 list, #58 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
51	Enterprise Technology Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$68,450	0.1%	Rank history: #17 in FY2021, #48 in FY2022, #18 in FY2024 and #31 in FY2025; down 3 since FY2022.
52	Constellation Newenergy Inc Through Constellation Newenergy - Gas Division, LLC Top NAICS codes 221210 Natural Gas Distribution	$66,371	0.1%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2024 and #17 in FY2025; new.
53	JP Logistics & Consulting, LLC Top NAICS codes 561990 All Other Support Services	$60,035	0.1%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and #46 in FY2025; new.
54	Fedex Corp Through Federal Express Corporation Top NAICS codes 492110 Couriers and Express Delivery Services	$59,074	0.1%	Rank history: #78 in FY2021, #69 in FY2022, #55 in FY2024 and #55 in FY2025; up 15 since FY2022.
55	Exelon Corporation 2 awardees, including Commonwealth Edison Co Top NAICS codes 221122 Electric Power Distribution	$50,702	0.1%	Rank history: #25 in FY2021, #40 in FY2022, #36 in FY2024 and not on the FY2025 list; down 15 since FY2022.
56	The Segal Group Inc Top NAICS codes 541618 Other Management Consulting Services	$50,568	0.1%	Rank history: #52 in FY2021, #70 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
57	Insight Venture Management LLC Through Diligent Canada Inc. Top NAICS codes 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers	$48,433	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2024 and not on the FY2025 list; new.
58	Solution Planning and Contract Environment, Inc. Top NAICS codes 484210 Used Household and Office Goods Moving	$48,149	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
59	Vanguard Integrity Professionals Inc. Top NAICS codes 513210 Software Publishers	$47,484	0.1%	Rank history: #62 in FY2021, #72 in FY2022, #60 in FY2024 and #51 in FY2025; up 13 since FY2022.
60	Victor Envelope Company Top NAICS codes 322230 Stationery Product Manufacturing	$46,940	0.1%	Rank history: #88 in FY2021, #56 in FY2022, #86 in FY2024 and #65 in FY2025; down 4 since FY2022.
61	Therm Flo, Inc. Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors	$45,268	0.1%	Rank history: #61 in FY2021, #71 in FY2022, #59 in FY2024 and #52 in FY2025; up 10 since FY2022.
62	Axon Enterprise, Inc. Top NAICS codes 423490 Other Professional Equipment and Supplies Merchant Wholesalers	$44,674	0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2024 and #76 in FY2025; new.
63	Levi Ray & Shoup Inc. Top NAICS codes 511210 Software Publishers	$44,134	0.1%	Rank history: #65 in FY2021, #74 in FY2022, #61 in FY2024 and #53 in FY2025; up 11 since FY2022.
64	Tyler Technologies, Inc. Top NAICS codes 513210 Software Publishers	$43,957	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
65	Esscoe LLC Top NAICS codes 541519 Other Computer Related Services	$41,960	0.1%	Rank history: #75 in FY2021, #86 in FY2022, #73 in FY2024 and #28 in FY2025; up 21 since FY2022.
66	Economic Systems Inc. Top NAICS codes 541612 Human Resources Consulting Services	$40,000	0.1%	Rank history: not on the FY2021 list, #59 in FY2022, #63 in FY2024 and not on the FY2025 list; down 7 since FY2022.
67	Turn-Key Operations, Incorporated Top NAICS codes 511199 All Other Publishers	$40,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2024 and #58 in FY2025; new.
68	Partnership for Public Service Inc Top NAICS codes 611430 Professional and Management Development Training	$38,700	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	ACE Info Solutions LLC Through Guidehouse Digital LLC Top NAICS codes 541519 Other Computer Related Services	$37,873	0.1%	Rank history: #68 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
70	Patriot Construction, Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$36,167	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	VET Advisor LLC Through Three Wire Systems, LLC Top NAICS codes 541519 Other Computer Related Services	$34,269	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	Republic Services Inc. Through Allied Waste Transportation Inc. Top NAICS codes 562111 Solid Waste Collection	$34,183	<0.1%	Rank history: #73 in FY2021, not on the FY2022 list, #64 in FY2024 and #59 in FY2025; up 36 since FY2022.
73	Truetandem, LLC Top NAICS codes 313311 Broadwoven Fabric Finishing Mills	$33,418	<0.1%	Rank history: #7 in FY2021, #8 in FY2022 and not on the FY2024–FY2025 lists; down 65 since FY2022.
74	Arrow Electronics, Inc. 2 awardees, including Immixtechnology Inc. and EC America, Inc. Top NAICS codes 334111 Electronic Computer Manufacturing 443120 Computer and Software Stores	$33,372	<0.1%	Rank history: #40 in FY2021, #81 in FY2022, #77 in FY2024 and not on the FY2025 list; up 7 since FY2022.
75	JB Contracting, Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$28,667	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Sinclair Broadcast Group Inc. Through Politico, LLC Top NAICS codes 513120 Periodical Publishers	$28,441	<0.1%	Rank history: #69 in FY2021, #82 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
77	IMA Evaluations Inc. Top NAICS codes 621999 All Other Miscellaneous Ambulatory Health Care Services	$27,300	<0.1%	Rank history: not on the FY2021 list, #55 in FY2022, #97 in FY2024 and not on the FY2025 list; down 22 since FY2022.
78	August Schell Enterprises, Inc. Top NAICS codes 541519 Other Computer Related Services	$26,808	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Alliance for Children and Families Inc. Through FEI Behavioral Health, Inc. Top NAICS codes 624190 Other Individual and Family Services	$26,337	<0.1%	Rank history: #57 in FY2021, #93 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
80	Architechture Solutions LLC Top NAICS codes 541519 Other Computer Related Services	$26,186	<0.1%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2024 and #56 in FY2025; new.
81	Kleen Air Service Corp Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors	$25,800	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	H.i.g. Capital Management Inc. Through Iron Bow Technologies, LLC Top NAICS codes 541519 Other Computer Related Services	$25,425	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Sdvo Solutions, LLC Top NAICS codes 541519 Other Computer Related Services	$24,899	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #48 in FY2025; new.
84	Four LLC Top NAICS codes 541519 Other Computer Related Services	$24,830	<0.1%	Rank history: #44 in FY2021, #63 in FY2022, #46 in FY2024 and not on the FY2025 list; down 21 since FY2022.
85	Chicago Soft, Ltd. Top NAICS codes 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers	$24,459	<0.1%	Rank history: #71 in FY2021, #88 in FY2022, #70 in FY2024 and #63 in FY2025; up 3 since FY2022.
86	BVK Mechanical Services Inc. Top NAICS codes 238210 Electrical Contractors and Other Wiring Installation Contractors	$24,120	<0.1%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2024 and #64 in FY2025; new.
87	Accessagility LLC Top NAICS codes 541519 Other Computer Related Services	$23,786	<0.1%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2024 and #15 in FY2025; new.
88	Techanax LLC Top NAICS codes 541519 Other Computer Related Services	$23,218	<0.1%	Rank history: #77 in FY2021, #89 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
89	Relx Inc Top NAICS codes 511120 Periodical Publishers	$22,776	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
90	Ccsi - Dubois Construction JV, LLC Top NAICS codes 236220 Commercial and Institutional Building Construction	$22,600	<0.1%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2024 and not on the FY2025 list; new.
91	Juncture Consulting, LLC Top NAICS codes 621111 Offices of Physicians (except Mental Health Specialists)	$21,622	<0.1%	Rank history: #74 in FY2021, #85 in FY2022, #72 in FY2024 and #61 in FY2025; down 6 since FY2022.
92	City of Chicago Top NAICS codes 221310 Water Supply and Irrigation Systems	$20,668	<0.1%	Rank history: #90 in FY2021, #83 in FY2022, #71 in FY2024 and not on the FY2025 list; down 9 since FY2022.
93	Altomonte Advisory Group, LLC Top NAICS codes 561611 Investigation and Personal Background Check Services	$19,200	<0.1%	Rank history: #34 in FY2021, #94 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
94	Veterans Command, LLC Top NAICS codes 561410 Document Preparation Services	$18,085	<0.1%	Rank history: #94 in FY2021, not on the FY2022 list, #85 in FY2024 and #60 in FY2025; up 16 since FY2022.
95	Alvarez LLC Top NAICS codes 541519 Other Computer Related Services	$17,848	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #83 in FY2025; new.
96	Aurora Systems Consulting Inc. Top NAICS codes 541519 Other Computer Related Services	$17,157	<0.1%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and #69 in FY2025; new.
97	Carahsoft Technology Corp Top NAICS codes 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers	$17,032	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #4 in FY2025; new.
98	Thomson Reuters (Tax & Accounting) Inc. Through West Publishing Corporation Top NAICS codes 513120 Periodical Publishers	$16,616	<0.1%	Rank history: #91 in FY2021, #60 in FY2022 and not on the FY2024–FY2025 lists; down 38 since FY2022.
99	Cranley Awards, Ltd Top NAICS codes 423940 Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers	$15,781	<0.1%	Rank history: not on the FY2021 list, #96 in FY2022, #74 in FY2024 and not on the FY2025 list; down 3 since FY2022.
100	Anacapa Micro Products Inc Top NAICS codes 541519 Other Computer Related Services	$15,236	<0.1%	Rank history: not on the FY2021–FY2022 lists, #79 in FY2024 and #74 in FY2025; new.

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100 of 126 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 $70.2 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 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 Railroad Retirement Board contractors in FY2023?

1. Blue Cross & Blue Shield of South Carolina ($28.6M), 2. International Business Machines Corporation ($9.77M), 3. Procentrix, LLC ($4.63M), 4. CGI Technologies and Solutions Inc. ($2.7M), 5. Insight Public Sector Inc. ($2.45M), 6. RMA Associates LLC ($1.99M), 7. Cherokee Nation System Solutions LLC ($1.82M), 8. Zion Cloud Solutions LLC ($1.64M), 9. Lumen Technologies, Inc. ($1.42M), 10. At&T Inc. ($1.04M).

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