Official Form 5500 data
Professional, scientific, and technical services 401(k) plans
Explore employers in Professional, scientific, and technical services using their latest selected public retirement-plan filings.
How to read this page
Industry is derived from the business classification reported in the filing. Employer contribution and expense figures are filing-level context, not current plan terms.
Employers11,162
Reported plan assets$1.2T
Active participants9.7M
Average employer money per active participant$5,163
Largest reported plans
Companies ranked by plan assets
The list shows up to 50 employers, ordered by assets in each plan’s latest selected public filing.
01INTERNATIONAL BUSINESS MACHINES CORPORATIONARMONK, NYPlan assets$60.4B→02AMAZON.COM SERVICES, LLCSEATTLE, WAPlan assets$34.6B→03ORACLE CORPORATIONREDWOOD SHORES, CAPlan assets$31B→04UNITEDHEALTH GROUP INCORPORATEDMINNETONKA, MNPlan assets$26.6B→05AMAZON.COM SERVICES, LLCSEATTLE, WAPlan assets$26.2B→06ERNST & YOUNG U.S. LLPSECAUCUS, NJPlan assets$18.3B→07PWC US GROUP LLPTAMPA, FLPlan assets$13.2B→08DELOITTE LLPNEW YORK, NYPlan assets$12.4B→09ATTN TAX DEPARTMENTRESTON, VAPlan assets$11.8B→10KPMG LLPMONTVALE, NJPlan assets$10.5B→11MCKINSEY & COMPANY, INC.NEW YORK, NYPlan assets$9.8B→12BOOZ ALLEN HAMILTON INC.MCLEAN, VAPlan assets$9.3B→13PRICEWATERHOUSECOOPERS LLPTAMPA, FLPlan assets$9.1B→14HDR, INC.OMAHA, NEPlan assets$7.7B→15SCHLUMBERGER TECHNOLOGY CORPORATIONHOUSTON, TXPlan assets$7.4B→16NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLCALBUQUERQUE, NMPlan assets$7.2B→17AECOMDALLAS, TXPlan assets$6.8B→18JACOBS ENGINEERING GROUP INC.DALLAS, TXPlan assets$6.4B→19BLOOMBERG L.P.NEW YORK, NYPlan assets$5.7B→20SCIENCE APPLICATIONS INTERNATIONAL CORPORATIONRESTON, VAPlan assets$5.4B→21MMS USA HOLDINGS, INC.CHICAGO, ILPlan assets$5.2B→22FISERV SOLUTIONS, LLC.BROOKFIELD, WIPlan assets$5.1B→23NVIDIA CORPORATIONSANTA CLARA, CAPlan assets$4.7B→24WPP GROUP USA, INC.NEW YORK, NYPlan assets$4.7B→25OMNICOM GROUP INC.NEW YORK, NYPlan assets$4.5B→26WILLIS TOWERS WATSON US LLCARLINGTON, VAPlan assets$4.5B→27BAXTER INTERNATIONAL INC.DEERFIELD, ILPlan assets$4.3B→28VMWARE, INC.PALO ALTO, CAPlan assets$4.1B→29THE INTERPUBLIC GROUP OF COMPANIES, INC.NEW YORK, NYPlan assets$4.1B→30CACI INTERNATIONAL, INC.RESTON, VAPlan assets$3.9B→31SAS INSTITUTE INC.CARY, NCPlan assets$3.7B→32BATTELLE MEMORIAL INSTITUTECOLUMBUS, OHPlan assets$3.4B→33RSM US, LLPDAVENPORT, IAPlan assets$3.4B→34WSP USA BUILDINGS INC.NEW YORK, NYPlan assets$3.3B→35LATHAM & WATKINS LLPLOS ANGELES, CAPlan assets$3.1B→36COGNIZANT TECHNOLOGY SOLUTIONSTEANECK, NJPlan assets$3B→37BVH, INC.OVERLAND PARK, KSPlan assets$3B→38THE BOSTON CONSULTING GROUP, INC.BOSTON, MAPlan assets$2.9B→39EPIC SYSTEMS CORPORATIONVERONA, WIPlan assets$2.9B→40GENERAL ATOMICSSAN DIEGO, CAPlan assets$2.8B→41SYNOPSYS, INC.SUNNYVALE, CAPlan assets$2.7B→42BLACK & VEATCH HOLDING COMPANYOVERLAND PARK, KSPlan assets$2.7B→43KIRKLAND & ELLIS LLPCHICAGO, ILPlan assets$2.7B→44WORKDAY, INC.PLEASANTON, CAPlan assets$2.6B→45DXC TECHNOLOGY COMPANYASHBURN, VAPlan assets$2.6B→46PERATON CORP.RESTON, VAPlan assets$2.5B→47LAWRENCE LIVERMORE NATIONAL SECURITY LLCLIVERMORE, CAPlan assets$2.5B→48TRIAD NATIONAL SECURITY, LLCLOS ALAMOS, NMPlan assets$2.5B→49AMENTUM SERVICES, INC.CHANTILLY, VAPlan assets$2.5B→50FLUOR MARINE PROPULSION, LLCWEST MIFFLIN, PAPlan assets$2.5B→
Source: U.S. Department of Labor Form 5500 public filings. Figures describe retirement plans, not an employer’s total workforce or current benefit promise.