| Principal Global Investors, LLC | Des Moines | $427.71B | 10 |
| Cambridge Investment Research Advisors, Inc. | Fairfield | $138.69B | — |
| Sammons Financial Group Asset Management, LLC | West des Moines | $122.05B | — |
| Principal Real Estate Investors, LLC | Des Moines | $105.65B | 18 |
| Aegon USA Investment Management, LLC | Cedar Rapids | $88.8B | 19 |
| Transamerica Retirement Advisors, LLC | Cedar Rapids | $18.83B | — |
| Principal Securities, Inc. | Des Moines | $17.02B | — |
| Avantax Planning Partners, Inc. | Dubuque | $7.57B | — |
| Integrity Alliance, LLC | Urbandale | $5.41B | — |
| Foster Group, Inc. | West des Moines | $4.78B | — |
| Nations Financial Group, Inc. | Cedar Rapids | $4.77B | — |
| Btc Capital Management, Inc. | Des Moines | $4.6B | — |
| Bfc Planning, Inc. | Cedar Rapids | $3.84B | — |
| Ausdal Financial Partners, Inc. | Davenport | $3.73B | — |
| Steele Capital Management, Inc. | Dubuque | $3.55B | — |
| Investment Consulting Group Inc | Davenport | $2.84B | — |
| Gilbert & Cook, Inc. | West des Moines | $1.7B | — |
| Principal Advised Services, LLC | Des Moines | $1.42B | — |
| Accel Wealth Management LLC | Waverly | $1.15B | — |
| Northwest Wealth Management, LLC | Spencer | $1.03B | — |
| Legacy Financial Group, LLC | Des Moines | $1.01B | — |
| Syverson Strege & Company | West des Moines | $910.8M | — |
| Berthel, Fisher & Company Financial Services, Inc. | Cedar Rapids | $906.4M | — |
| Dmkc Advisory Services, LLC | Des Moines | $902.5M | — |
| Basepoint Wealth, LLC | Cedar Rapids | $883.8M | — |
| Rda Financial Network, Inc. | Akron | $675.2M | — |
| West Financial Advisors, L.L.C. | Des Moines | $674.2M | — |
| Elite Retirement Planning, LLC | Grimes | $568.8M | — |
| RIA Advisory Group, LLC | Des Moines | $568.4M | — |
| Retireright, LLC | West des Moines | $561.1M | — |
| Dynamic Financial Group, LLC | Cedar Falls | $539.6M | — |
| Wealth Advisors of Iowa, LLC | West des Moines | $539.4M | — |
| Matheson & Rock Wealth Management, LLC | Davenport | $530M | — |
| Independent Wealth Network, Inc. | Urbandale | $518.4M | — |
| Wealthspan Partners, LLC | Davenport | $451.1M | — |
| Nikulski Financial, Inc. | Bettendorf | $449M | — |
| Fsb Premier Wealth Management, Inc. | Waterloo | $431.7M | — |
| Legacy Bridge, LLC | West des Moines | $425.8M | — |
| Quad-Cities Investment Group, LLC | Davenport | $425.5M | — |
| Valiant Wealth, LLC | West des Moines | $423.1M | 30 |
| Mokosak Advisory Group, LLC | Urbandale | $413.9M | — |
| Friday Financial, Inc. | Dubuque | $409.3M | — |
| Compass Financial Services, Inc. | West des Moines | $407.4M | — |
| Midwest Heritage Bank, Fsb | West des Moines | $398.7M | — |
| Aegon USA Realty Advisors, LLC | Cedar Rapids | $394.5M | 1 |
| Pecaut & Co. | Sioux City | $381.8M | — |
| Boyle Capital Management, L.L.C. | West des Moines | $342M | — |
| Ballast Capital Advisors LLC | West des Moines | $328.7M | — |
| Weitzel Financial Services, Inc. | Dubuque | $327.8M | — |
| Peterson Financial Group, Inc. | Des Moines | $299.2M | — |