| 1 | Teamsters-National 401(k) Savings Plan | Pittsburgh | 152,462 | $1.5B |
| 2 | Aramark Hourly 401(k) Plan | Philadelphia | 92,914 | $251.9M |
| 3 | The Cigna Group 401(k) Plan | Philadelphia | 66,532 | $14.2B |
| 4 | Universal Health Services, Inc. Retirement Savings Plan | King Of Prussia | 64,799 | $3.7B |
| 5 | Dick's Sporting Goods, Inc. Smart Savings 401(k) Plan | Coraopolis | 53,323 | $883.7M |
| 6 | The PNC Financial Services Group, Inc. Incentive Savings Plan | Pittsburgh | 53,180 | $10.2B |
| 7 | Thermo Fisher Scientific Inc. 401(k) Retirement Plan | Pittsburgh | 52,390 | $10.3B |
| 8 | Oak View Group 401(k) Plan | Philadelphia | 49,999 | $176.1M |
| 9 | Retirement Contribution And 403(b) Matching Plan Of The University Of Pennsylvania Health System | Philadelphia | 42,299 | $1.1B |
| 10 | Select Medical Corporation 401(k) Plan | Mechanicsburg | 41,698 | $2.8B |
| 11 | The Giant Company 401(k) Plan | Carlisle | 37,097 | $991.5M |
| 12 | Elevator Constructors Annuity And 401(k) Retirement Plan | Newtown Square | 28,341 | $7.3B |
| 13 | Geisinger System Services 401(k) Savings Plan | Danville | 24,845 | $3.0B |
| 14 | Urban Outfitters, Inc. 401(k) Savings Plan | Philadelphia | 24,239 | $419.8M |
| 15 | The Bank Of New York Mellon Corporation 401(k) Savings Plan | Pittsburgh | 22,098 | $9.9B |
| 16 | WellSpan 403(b) Retirement Savings Plan | York | 21,551 | $2.6B |
| 17 | Allegheny Health Network 401(k) Plan | Pittsburgh | 21,530 | $1.4B |
| 18 | Aramark Retirement Savings Plan For Salaried Employees | Philadelphia | 21,039 | $1.4B |
| 19 | Weis Markets, Inc. Retirement Savings Plan | Sunbury | 21,014 | $304.0M |
| 20 | Rentokil Initial USA 401(k) Plan | Reading | 20,428 | $1.3B |
| 21 | Penn Entertainment, Inc. 401(k) Plan | Wyomissing | 19,862 | $694.0M |
| 22 | CSLB Holdings Inc. 401(k) Plan | King Of Prussia | 19,635 | $1.2B |
| 23 | Wawa, Inc. 401(k) Plan | Wawa | 18,984 | $1.1B |
| 24 | Sheetz, Inc. 401(k) Retirement Plan | Altoona | 18,452 | $778.4M |
| 25 | American Eagle Outfitters, Inc. Profit Sharing And 401(k) Plan | Pittsburgh | 18,133 | $538.1M |
| 26 | Genesis Administrative Services 401(k) Plan #1 | Kennett Square | 18,042 | $981.4M |
| 27 | The Vanguard Retirement And Savings Plan | Malvern | 17,477 | $11.1B |
| 28 | Penske Truck Leasing Co., L.P. Savings Retirement Plan | Reading | 16,969 | $1.3B |
| 29 | The Rite Aid 401(k) Plan | Harrisburg | 16,944 | $3.2B |
| 30 | SAP America, Inc. 401(k) Plan | Newtown Square | 16,587 | $8.1B |
| 31 | Ikea Retirement And Savings Plan | Conshohocken | 16,565 | $1.1B |
| 32 | Cencora Employee Investment Plan | Conshohocken | 16,073 | $2.1B |
| 33 | Penn State Health 401(k) Savings Plan | Hershey | 15,720 | $2.9B |
| 34 | Chubb US 401(k) Plan | Philadelphia | 15,717 | $5.0B |
| 35 | Giant Eagle, Inc. Employee Savings Plan | Cranberry Twp | 15,282 | $845.1M |
| 36 | Highmark Investment Plan | Pittsburgh | 14,917 | $2.9B |
| 37 | The Brightview 401(k) Plan | Blue Bell | 14,899 | $378.4M |
| 38 | Genesis Administrative Services 401(k) Plan #2 | Kennett Square | 14,565 | $85.5M |
| 39 | Constellation Employee Savings Plan | Kennett Square | 14,256 | $6.0B |
| 40 | Eurofins Scientific, Inc. 401(k) Incentive Savings Plan | Leola | 13,409 | $1.3B |
| 41 | Kraft Heinz Savings Plan | Pittsburgh | 13,247 | $3.6B |
| 42 | Wesco Distribution, Inc. Retirement Savings Plan | Pittsburgh | 13,146 | $1.9B |
| 43 | Penske Retirement Savings Plan | Reading | 12,647 | $142.6M |
| 44 | Westinghouse Electric Company Savings Plan | Cranberry Township | 12,540 | $2.1B |
| 45 | Siemens Medical Solutions USA, Inc. Savings Plan | Malvern | 12,534 | $7.9B |
| 46 | Towne Park 401(k) Plan | Plymouth Meeting | 12,346 | $17.7M |
| 47 | GSK 401(k) Plan | Philadelphia | 12,254 | $8.8B |
| 48 | Santander 401(k) Plan | Wyomissing | 12,035 | $1.9B |
| 49 | The Hershey Company 401(k) Plan | Hershey | 11,915 | $2.1B |
| 50 | Wabtec Savings Plan | Pittsburgh | 11,741 | $1.6B |
| 51 | Ppg Industries, Inc. Employee Savings Plan | Pittsburgh | 11,668 | $4.3B |
| 52 | The Hersha Hospitality Management 401(k) Plan | Philadelphia | 11,635 | $73.5M |
| 53 | Ricoh USA, Inc. Retirement Savings Plan | Exton | 11,575 | $2.2B |
| 54 | Uss 401(k) Plan For Usw-Represented Employees | Pittsburgh | 11,419 | $1.4B |
| 55 | Icon Clinical Research, LLC 401(k) Plan | Blue Bell | 10,795 | $1.6B |
| 56 | Five Below 401(k) Retirement Savings Plan | Philadelphia | 10,753 | $87.8M |
| 57 | Howmet Aerospace Hourly Retirement Savings Plan | Pittsburgh | 10,509 | $952.4M |
| 58 | Adapthealth 401(k) Profit Sharing Plan And Trust | Plymouth Meeting | 10,416 | $159.0M |
| 59 | The Iron Mountain Companies 401(k) Plan | Royersford | 10,113 | $943.1M |
| 60 | Lnc Employees' 401(k) Savings Plan | Radnor | 9,981 | $3.5B |
| 61 | East Penn Manufacturing Co. 401(k) Savings Plan | Lyon Station | 9,960 | $729.0M |
| 62 | Saint-Gobain Corporation 401(k) Plan For Hourly Employees | Malvern | 9,663 | $737.5M |
| 63 | Amerihealth Caritas 401(k) Plan | Newtown Square | 9,598 | $947.5M |
| 64 | Amended And Restated Savings Fund Plan For Employees Of 84 Lumber Company | Eighty-Four | 9,227 | $779.5M |
| 65 | Communications Test Design, Inc. 401(k) Profit Sharing Plan | West Chester | 8,636 | $408.9M |
| 66 | The Pep Boys 401(k) Plan | Bala Cynwyd | 8,541 | $205.2M |
| 67 | The Ametek Retirement And Savings Plan | Berwyn | 8,402 | $1.9B |
| 68 | System One Holdings, LLC 401(k) Savings Plan | Pittsburgh | 8,326 | $103.7M |
| 69 | Clark Associates Multiple Employer 401(k) Plan | Lancaster | 8,318 | $258.2M |
| 70 | Te Connectivity Retirement Savings And Investment Plan | Berwyn | 8,252 | $3.1B |
| 71 | Nnpp Contractor Savings Plan | West Mifflin | 8,223 | $2.5B |
| 72 | Metz Culinary Management, LLC 401(k) Plan | Dallas | 8,079 | $35.1M |
| 73 | Post Acute Medical, LLC 401(k) Plan | Enola | 7,873 | $90.2M |
| 74 | Eat'n Park Hospitality Group 401(k) Retirement Plan | Homestead | 7,866 | $90.2M |
| 75 | David's Bridal 401(k) Retirement Plan | King Of Prussia | 7,765 | $66.1M |
| 76 | Ollie's Bargain Outlet, Inc. 401(k) Retirement Plan | Harrisburg | 7,389 | $36.9M |
| 77 | Bimbo Bakeries USA Savings Plan | Horsham | 7,363 | $1.2B |
| 78 | Air Products & Chemicals, Inc. Retirement Savings Plan | Allentown | 6,914 | $2.7B |
| 79 | Boscov's 401(k) Defined Contribution Plan | Reading | 6,826 | $147.2M |
| 80 | Asm Global Retirement & Savings Plan | West Conshohocken | 6,818 | $336.8M |
| 81 | Erie Insurance Group Employee Savings Plan | Erie | 6,803 | $1.4B |
| 82 | Saint-Gobain Corporation 401(k) Plan For Salaried Employees | Malvern | 6,770 | $1.8B |
| 83 | Ibew Local Union No. 126 Retirement Plan | Collegeville | 6,529 | $1.1B |
| 84 | Inland Empire Ibew-Neca Defined Contribution Plan | Pittsburgh | 6,503 | $254.3M |
| 85 | Spring Education Group 401(k) Retirement Plan | West Chester | 6,418 | $217.0M |
| 86 | Hajoca Corporation Employees 401(k) Plan | Lafayette Hill | 6,206 | $352.3M |
| 87 | Acts Retirement - Life Communities, Inc. Retirement Savings Plan - 401(k) | Ft Washington | 6,188 | $227.0M |
| 88 | Giant Eagle, Inc. And Affiliates 401(k) Plan For Union Represented Employees | Cranberry Twp | 6,083 | $212.5M |
| 89 | Bimbo Bakeries USA Union Savings Plan | Horsham | 6,021 | $153.4M |
| 90 | Fullbloom Retirement Savings Plan | Philadelphia | 5,955 | $85.5M |
| 91 | Qurate Retail Group 401(k) Retirement Savings Plan For Qvc And Hsn | West Chester | 5,820 | $1.1B |
| 92 | B. Braun Medical Inc. Savings Plan | Bethlehem | 5,781 | $977.3M |
| 93 | Penske Logistics Retirement Savings Plan | Reading | 5,564 | $359.9M |
| 94 | Moravia Health Network LLC 401(k) Profit Sharing Plan & Trust | Philadelphia | 5,560 | $1.6M |
| 95 | Arconic Corp. Hourly 401(k) Plan | Pittsburgh | 5,436 | $750.8M |
| 96 | Carnegie Mellon University 401(k) Plan | Pittsburgh | 5,436 | $63.5M |
| 97 | Jako Enterprises, LLC 401(k) Profit Sharing Plan | Philadelphia | 5,428 | $15.5M |
| 98 | Ghr Healthcare, LLC 401(k) Profit Sharing Plan | Blue Bell | 5,372 | $33.1M |
| 99 | Miter Brands 401(k) Plan | Harrisburg | 5,362 | $303.8M |
| 100 | Avantor Retirement Savings 401(k) Plan And Trust | Radnor | 5,274 | $648.0M |
| 101 | The 401(k) Retirement Savings Plan For Yoh Contract Employees | Philadelphia | 5,263 | $43.9M |
| 102 | Rite Aid Corporation 401(k) For Collectively Bargained Associates | Harrisburg | 5,165 | $68.8M |
| 103 | Gannett Fleming, Inc. Tax Deferred 401(k) Savings Plan | Mechanicsburg | 5,064 | $830.4M |
| 104 | The Clemens Family Sharing Plan | Hatfield | 5,058 | $260.4M |
| 105 | Starr Restaurants 401(k) Plan | Philadelphia | 4,947 | $3.5M |
| 106 | Toll Brothers 401(k) Savings Plan | Fort Washington | 4,908 | $727.8M |
| 107 | Ascensus, LLC 401(k) Savings Plan | Dresher | 4,858 | $621.8M |
| 108 | Olympus Corporation Of The Americas 401(k) Savings Plan | Center Valley | 4,648 | $1.1B |