| Palmetto Gba, LLCRailroad Retirement Board | Contract | $181,001,205 | SC | IGF::OT::IGF FUNDS FOR SPECIALTY MEDICARE ADMINISTRATIVE CONTRACTOR (SMAC) TO PROVIDE SPECIFIED HEALTH INSURANCE BENEFIT ADMINISTRATION SERVICES. | |
| Palmetto Gba, LLCRailroad Retirement Board | Contract | $34,869,727 | SC | PROVISION OF SPECIALTY MEDICARE ADMINISTRATIVE CONTRACTOR (SMAC) SERVICES. | |
| International Business Machines CorporationRailroad Retirement Board | Contract | $31,924,804 | IL | ZCLOUD PHASE I MOTS AND TRANSITION DISCOVERY SERVICES | |
| Palmetto Gba, LLCRailroad Retirement Board | Contract | $28,478,386 | IL | PROVISION OF SMAC SERVICES IN LIEU OF FORTHCOMING SMAC CONTRACT AWARD. | |
| Cgi Federal INC.Railroad Retirement Board | Contract | $9,288,274 | IL | CGI FINANCIAL MANAGEMENT FINANCIAL SYSTEM | |
| Lumen Technologies Government Solutions, INCRailroad Retirement Board | Contract | $7,479,014 | IL | FY 2020 FUNDING FOR NETWORK CONVERGED SERVICES (MPLS, MTIPS, FS VOIP, ACD AND IVR ETC.) | |
| Cherokee Nation System Solutions LLCRailroad Retirement Board | Contract | $7,284,373 | IL | CHEROKEE NATION TO PROVIDE IT CUSTOMER SUPPORT SERVICES. | |
| At&T Enterprises, LLCRailroad Retirement Board | Contract | $6,659,052 | IL | IGF::OT::IGF, WEB HOSTING SERVICES. | |
| Insight Public Sector, INC.Railroad Retirement Board | Contract | $5,714,052 | IL | BASE YEAR OF MSEA SERVICES | |
| Truetandem, LLCRailroad Retirement Board | Contract | $5,159,114 | IL | MS 365 DESIGN/BUILD IN GOVERNMENT CLOUD SERVICES. | |
| Procentrix, LLCRailroad Retirement Board | Contract | $4,868,031 | IL | PROCENTRIX PROCASE - DOCKET CASE MANAGEMENT SYSTEM | |
| Lumen Technologies Government Solutions, INC.Railroad Retirement Board | Contract | $4,841,141 | IL | ENTERPRISE WIDE UNIFIED COMMUNICATIONS SERVICES, (TASK AREA 1 UCS) AND (TASK AREA 2 CCS). | |
| Icallidus, INC.Railroad Retirement Board | Contract | $4,828,242 | IL | ICALLIDUS TO PROVIDE THE RRB IT SUPPORT SERVICES. | |
| Cmc & Maintenance INCRailroad Retirement Board | Contract | $3,803,787 | IL | IGF::OT::IGF JANITORIAL SERVICES FOR RRB HQ BUILDING | |
| Carahsoft Technology CorpRailroad Retirement Board | Contract | $3,606,110 | IL | RENEWAL OF MS ENTERPRISE AGREEMENT FOR THE RRB FY25 | |
| Wilson 5 Service Company, INC.Railroad Retirement Board | Contract | $3,540,882 | IL | FACILITY MAINTENANCE SERVICES FOR THE RRB BUILDING - BASE YEAR | |
| Wilson 5 Service Company, INC.Railroad Retirement Board | Contract | $3,239,173 | IL | IGF::OT::IGF FACILITY MAINTENANCE SERVICES BASE YEARS SERVICES | |
| At&T Enterprises, LLCRailroad Retirement Board | Contract | $3,114,096 | IL | IGF::OT::IGF, VOIP SYETEM SERVICES. | |
| Flexion INCRailroad Retirement Board | Contract | $2,345,204 | IL | CITIZEN CENTRIC ON-LINE SELF-SERVICES APPLICATIONS | |
| Lumen Technologies Government Solutions, INC.Railroad Retirement Board | Contract | $2,253,688 | IL | ENTERPRISE WIDE AREA NETWORK SERVICES, TASK AREA 1, WAN SERVICES. | |
| Cellco PartnershipRailroad Retirement Board | Contract | $2,214,733 | IL | IGF::OT::IGF, FSSI WIRELESS - MOBILE TELEPHONY SERVICES FOR THE PERIOD OF 10/01/2018 THRU 09/30/2019. | |
| Zion Cloud Solutions LLCRailroad Retirement Board | Contract | $1,728,977 | IL | ENGINEERING SUPPORT SERVICES | |
| Konica Minolta Business Solutions U.S.A, INC.Railroad Retirement Board | Contract | $1,725,279 | VA | HIGH SPEED & WALK UP COPIER LEASE & MAINTENANCE SERVICES | |
| Manhattan Telecommunications Corporation LLCRailroad Retirement Board | Contract | $1,619,187 | IL | ENTERPRISE WIDE AREA NETWORK SERVICES, TASK AREA 2, MTIPS SERVICES. | |
| Lumen Technologies Government Solutions, INC.Railroad Retirement Board | Contract | $1,613,467 | IL | IGF::OT::IGF, ETHERNET POINT TO POINT CIRCUIT SERVICES SOLUTION. | |
