#1 Mercer
Serves this area from St. Louis, MO (18 mi)
Call (314) 588-2500 · WebsitePension Actuarial Firms in St. Clair County, IL
The top-ranked pension actuarial firms serving St. Clair County, IL are Mercer, Milliman, Inc. and Milliman, Inc.. We list 12 pension actuarial firms serving St. Clair County, IL. 12 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.
Pension Actuarial Firms serving St. Clair County, IL. 12 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked pension actuarial firms for St. Clair County
#2 Milliman, Inc.
Serves this area from St. Louis, MO (18 mi)Call (314) 446-5607 · Website#3 Milliman, Inc.
Serves this area from St. Louis, MO (18 mi)Call (314) 446-5607 · Website#4 Pwc US Consulting LLP
Serves this area from St. Louis, MO (18 mi)Call (630) 730-2494#5 Aon Consulting, Inc.
Serves this area from St. Louis, MO (21 mi)Call (314) 721-5100 · Website#6 Ekon Benefits
Serves this area from St. Louis, MO (22 mi)Call (314) 367-6555 · Website#7 Buck Global, LLC
Serves this area from Clayton, MO (25 mi)Call (972) 366-2028#8 Willis Towers Watson US LLC
Serves this area from Clayton, MO (25 mi)Call (314) 719-5900 · Website#9 Buck Global LLC
Serves this area from MOCall (314) 725-0114#10 Benefit Plans Plus, LLC
Serves this area from Maryland Heights, MO (31 mi)Call (314) 383-1398 · Website
2 more providers serving this area
- Benefit Plans Plus, LLC, Maryland Heights, MO (31 mi)
- Ttdj Consultants, Chesterfield, MO (35 mi)
Request quotes
Frequently asked questions
How many pension actuarial firms serve St. Clair County?
We list 12 pension actuarial firms serving St. Clair County, IL: 0 based there and 12 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which pension actuarial firms serve St. Clair County?
The top-ranked pension actuarial firms serving St. Clair County, IL are Mercer, Milliman, Inc., Milliman, Inc., Pwc US Consulting LLP and Aon Consulting, Inc.. The full ranked list, with the official records each provider matched, is on this page.
Which pension actuarial firms serving St. Clair County are verified against official records?
10 of the top 10 match an active official record: Mercer (U.S. Department of Labor), Milliman, Inc. (U.S. Department of Labor), Milliman, Inc. (U.S. Department of Labor), Pwc US Consulting LLP (U.S. Department of Labor) and Aon Consulting, Inc. (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.
Who must sign a defined benefit plan's Schedule SB?
An enrolled actuary must certify the funding information on Schedule SB (single-employer plans) or MB (multiemployer plans) filed with Form 5500.
"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 .
Communities served
Belleville, O'Fallon, East St. Louis, Cahokia Heights, Fairview Heights, Shiloh, Swansea, Mascoutah, Lebanon, Freeburg, Caseyville, Millstadt, Smithton, Dupo, Washington Park, Fairmont City, New Athens, Marissa, Brooklyn, St. Libory, Lenzburg, East Carondelet, Summerfield, Fayetteville, Sauget, Darmstadt, Floraville, Rentchler, Paderborn