These Are The 100 Largest Companies In Iowa

Chris Kolmar
by Chris Kolmar
Biggest Companies, Rankings - 3 months ago
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If you live in Iowa and you’re looking for a job, you have come to the right place.

Because, sure, you can google things like ‘biggest companies in Iowa’ and get a fairly long list of companies with a lot of employees, or perhaps that have the biggest names — but here, we bring you the companies with the most current employees that are actually headquarted in Iowa.

Below, we’ll give you a complete list of Iowa’s 100 largest companies, but first, here’s a look at the top 10:

  1. Casey’s General Stores
  2. Rockwell Collins
  3. Principal Financial Group
  4. Hy-Vee
  5. University of Iowa
  6. RSM US
  7. Fareway Stores
  8. HNI
  9. Pella
  10. University of Iowa Hospitals and Clinics

Casey’s General Stores comes in at the top, with more current employees than any other company in the . We’ll get to specifics in a moment; first, here’s a look at our methodology.

If you’re interested, you can read more about the Iowa job scene here:

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How we identified the biggest companies in Iowa

Here at Zippia we have developed a database of over 250,000 companies that spans the entire country.

For this report, we looked at the companies headquartered in Iowa with at least 100 employees. That left us with 321 companies.

We then ranked each company from most to least current employees to determine the biggest companies in Iowa.

As it turns out, Casey’s General Stores looks to the be the biggest company in Iowa clocking in with 25,463 employees.

Now, check out how the 100 biggest companies in Iowa ranked.

For more reading, check out:

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Detailed List Of The 100 Biggest Companies In Iowa

Rank Company City Employees
1 Casey’s General Stores Ankeny 25,463
2 Rockwell Collins Cedar Rapids 19,000
3 Principal Financial Group Des Moines 14,854
4 Hy-Vee West Des Moines 10,300
5 University of Iowa Iowa City 10,090
6 RSM US Davenport 9,000
7 Fareway Stores Boone 9,000
8 HNI Muscatine 8,900
9 Pella Pella 8,726
10 University of Iowa Hospitals and Clinics Iowa City 7,638
11 Ruan Des Moines 5,600
12 TMC Transportation Des Moines 5,052
13 DuPont Pioneer Johnston 5,025
14 Von Maur Davenport 4,500
15 Pizza Ranch Orange City 3,800
16 Heartland Express North Liberty 3,600
17 Meredith Des Moines 3,560
18 Omega Cabinets Waterloo 3,500
19 Lee Enterprises Davenport 3,445
20 Bandag Muscatine 3,362
21 Ruffalo Noel Levitz Cedar Rapids 3,136
22 Winnebago Forest City 3,050
23 Kum & Go West Des Moines 3,000
24 Buhrow William L Dr MD Waverly 3,000
25 Uni-Mart Ames 3,000
26 United Building Centers Waukon 3,000
27 Breitkreuz David R MD Waterloo 3,000
28 Adventure Lands Of America, Inc. Altoona 3,000
29 University of Northern Iowa Cedar Falls 2,860
30 Wells Enterprises Le Mars 2,800
31 West Liberty Foods West Liberty 2,736
32 WTC Communications Wilton 2,700
33 Wright Tree Service West Des Moines 2,700
34 Wright Service West Des Moines 2,500
35 EMC Insurance Des Moines 2,338
36 ABCM Hampton 2,215
37 McFarland Clinic Ames 2,048
38 Wellmark Blue Cross and Blue Shield Des Moines 2,013
39 The Weitz Des Moines 2,000
40 United Community Bank Milford 1,928
41 Heartland Financial USA Dubuque 1,862
42 Kent Corporation Muscatine 1,800
43 Dubuque Community Schools Dubuque 1,800
44 BH Management Services Des Moines 1,711
45 ACT Iowa City 1,685
46 Lifespace Communities West Des Moines 1,679
47 Dubuque Bank & Trust Dubuque 1,676
48 Allsteel Muscatine 1,600
49 Flexsteel Industries Dubuque 1,460
50 Genesis Health System Davenport 1,350
51 Kinseth Hospitality North Liberty 1,282
52 UnityPoint Health – St. Luke’s Sioux City 1,250
53 Des Moines Area Community College Ankeny 1,250
54 IDEAL INDUSTRIES Fayette 1,225
55 Prairie Meadows Altoona 1,223
56 Wilson Trailer Sioux City 1,206
57 Curries Mason City 1,200
58 Workiva Ames 1,195
59 Iowa Department of Natural Resources Des Moines 1,170
60 Dee Zee Des Moines 1,122
61 UFG Insurance Cedar Rapids 1,102
62 Mercy Iowa City Iowa City 1,100
63 West Des Moines Community Schools West Des Moines 1,000
64 Iowa 80 Group Walcott 1,000
65 Luther College Decorah 1,000
66 Sears Seating Davenport 1,000
67 Broadlawns Medical Center Des Moines 1,000
68 Stanley Consultants Muscatine 1,000
69 VT Industries Holstein 996
70 Lutheran Services in Iowa Waverly 995
71 The Waldinger Des Moines 991
72 Great River Health Systems West Burlington 960
73 CBE Companies Cedar Falls 957
74 Bomgaars Supply Sioux City 944
75 Four Oaks Cedar Rapids 939
76 Kemin Industries Des Moines 919
77 Farner-Bocken Carroll 908
78 Decker Truck Line Fort Dodge 905
79 Engineered Plastic Components, Inc. West Des Moines 901
80 ISU Research Park Ames 900
81 Mercy Clinton Clinton 900
82 The VGM Group Waterloo 900
83 Centro North Liberty 896
84 American Republic Insurance Des Moines 891
85 Musco Lighting Oskaloosa 874
86 Marshalltown Community School District Marshalltown 870
87 Rhythm City Casino Davenport 868
88 Hagie Manufacturing Clarion 860
89 Iowa Select Farms Iowa Falls 850
90 Mercy Medical Center – Des Moines Des Moines 827
91 WesleyLife Johnston 821
92 Iowa Telecom Newton 800
93 Des Moines Register Des Moines 800
94 Dexter Apache Holdings, Inc. Fairfield 794
95 Custom-Pak Clinton 788
96 Bertch Cabinets Waterloo 770
97 Altorfer Cedar Rapids 759
98 Iowa Western Council Bluffs 750
99 Vista-Wayne Joyce A MD Ottumwa 750
100 NRG Media Cedar Rapids 749

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