#1Administrative Services Only, Inc
Based in Lynbrook, NY
401(k) TPAs & Recordkeepers in Nassau County, NY
The top-ranked 401(k) TPAs and recordkeepers serving Nassau County, NY are Administrative Services Only, Inc, Aria Employee Benefits Services Inc and Claudia Marquez. We list 67 401(k) TPAs and recordkeepers serving Nassau County, NY. 30 of the providers shown match an active record from U.S. Department of Labor, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
401(k) TPAs & Recordkeepers serving Nassau County, NY. 67 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked 401(k) TPAs and recordkeepers for Nassau County
#2Aria Employee Benefits Services Inc
Based in Rockville Centre, NY#3Claudia Marquez
Based in Uniondale, NY#4Dickinson Group LLC
Based in Uniondale, NY#5Eastern States Joint Board
Based in Valley Stream, NY#6Economic Group Pension Services
Based in Franklin Square, NY#7Economic Group Pension Services
Based in Franklin Square, NY#8Egps Inc.
Based in Franklin Square, NY#9Freedom Care LLC
Based in North New Hyde Park, NY#10International Benefits Administrati
Based in Uniondale, NY
20 more providers serving this area
- Kmr Systems Corp, Syosset, NY
- Lincoln Computer Services, Hicksville, NY
- Local 282 Welfare Trust Fund, Lake Success, NY
- Magnacare, Salisbury, NY
- Marshall & Moss Admin Services, Inc, Salisbury, NY
- Mr. Microchip Software Center, Inc., East Meadow, NY
- Peak Retirement Group, LLC, Levittown, NY
- Priscilla Farduchi, Valley Stream, NY
- Robin S. Weingast & Associates, Inc, Uniondale, NY
- Rpg Consultants, Hewlett, NY
- V. Lagreca, Valley Stream, NY
- Sele-dent, Inc., Melville, NY (9 mi)
- Cwa Iue-cwa Local 464-81463, Melville, NY (10 mi)
- Erp National LLC, Melville, NY (10 mi)
- Erp National LLC DBA Erp Retirement, Melville, NY (10 mi)
- Erp Southwest LLC, Melville, NY (10 mi)
- Associated Pension Consultants, Inc, Melville, NY (10 mi)
- Ub Pensions, Melville, NY (10 mi)
- Dioscuri Administrator Inc., New York, NY (11 mi)
- Fm International, Huntington, NY (13 mi)
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Frequently asked questions
How many 401(k) TPAs and recordkeepers serve Nassau County?
We list 67 401(k) TPAs and recordkeepers serving Nassau County, NY: 21 based there and 46 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which 401(k) TPAs and recordkeepers serve Nassau County?
The top-ranked 401(k) TPAs and recordkeepers serving Nassau County, NY are Administrative Services Only, Inc, Aria Employee Benefits Services Inc, Claudia Marquez, Dickinson Group LLC and Eastern States Joint Board. The full ranked list, with the official records each provider matched, is on this page.
Which 401(k) TPAs and recordkeepers serving Nassau County are verified against official records?
10 of the top 10 match an active official record: Administrative Services Only, Inc (U.S. Department of Labor), Aria Employee Benefits Services Inc (U.S. Department of Labor), Claudia Marquez (U.S. Department of Labor), Dickinson Group LLC (U.S. Department of Labor) and Eastern States Joint Board (U.S. Department of Labor), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What does a 401(k) TPA do?
A third-party administrator handles plan compliance: nondiscrimination testing, Form 5500 preparation, contribution limits and plan documents. Recordkeepers track participant accounts; some firms do both.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Cities in Nassau County
Communities served
Garden City, Merrick, Massapequa, Mineola, Lynbrook, North Bellmore, East Massapequa, West Hempstead, Syosset, Woodmere, Wantagh, North Valley Stream, Roosevelt, North Massapequa, Massapequa Park, Port Washington, Bethpage, Bellmore, Floral Park, Westbury, North New Hyde Park, Seaford, Jericho, South Farmingdale, New Cassel, Salisbury, North Merrick, North Wantagh, Inwood, Great Neck, New Hyde Park, East Rockaway, Plainedge, Woodbury, Farmingdale, Malverne, Manhasset, Garden City Park, Great Neck Plaza, Williston Park, Cedarhurst, East Hills, Hewlett, Oyster Bay, Manorhaven, Lawrence, Roslyn Heights, Bayville, Old Bethpage, South Valley Stream, Lakeview, Kings Point, North Hills, Albertson, Searingtown, Sea Cliff, Island Park, Carle Place, Old Westbury, Glen Head