These Are The 100 Largest Companies In Iowa

Chris Kolmar
by Chris Kolmar
Biggest Companies, Rankings - 10 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 headquartered 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. Iowa State University
  6. Fareway Stores
  7. HNI
  8. Pella
  9. Marsden Services
  10. University of Iowa Health Care

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.

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 408 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.

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

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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 10,750
5 Iowa State University Ames 10,740
6 Fareway Stores Boone 9,000
7 HNI Muscatine 8,900
8 Pella Pella 8,726
9 Marsden Services Des Moines 8,160
10 University of Iowa Health Care Iowa City 7,638
11 Mercy Medical Center – Des Moines Des Moines 7,000
12 Ruan Des Moines 5,600
13 TMC Transportation Des Moines 5,052
14 DuPont Pioneer Johnston 5,025
15 Von Maur Davenport 4,500
16 The HON Company Muscatine 4,000
17 Pizza Ranch Orange City 3,800
18 Heartland Express North Liberty 3,600
19 Meredith Des Moines 3,560
20 Omega Cabinets Waterloo 3,500
21 Lee Enterprises Davenport 3,445
22 Ruffalo Noel Levitz Cedar Rapids 3,136
23 Winnebago Forest City 3,050
24 Buhrow William L Dr MD Waverly 3,000
25 Kum & Go West Des Moines 3,000
26 Uni-Mart Ames 3,000
27 United Building Centers Waukon 3,000
28 American Crane Garner 3,000
29 Breitkreuz David R MD Waterloo 3,000
30 Adventure Lands Of America Inc Des Moines 3,000
31 Racing Association-Central Ia Altoona 3,000
32 ACT Educational Svc Iowa City 3,000
33 Wells Enterprises Le Mars 2,800
34 West Liberty Foods West Liberty 2,736
35 Wright Tree Service West Des Moines 2,700
36 WTC Communications Wilton 2,700
37 Per Mar Security Services Davenport 2,500
38 CDS Global Des Moines 2,500
39 Wright Service West Des Moines 2,500
40 EMC Insurance Companies Des Moines 2,338
41 ABCM Hampton 2,215
42 McFarland Clinic Ames 2,048
43 Wellmark Blue Cross and Blue Shield Des Moines 2,013
44 The Weitz Company Des Moines 2,000
45 St Lukes Methodist Hospital Cedar Rapids 2,000
46 Heartland Financial USA Dubuque 1,862
47 Kent Muscatine 1,800
48 Dubuque Schools Dubuque 1,800
49 BH Management Des Moines 1,711
50 ACT Iowa City 1,685
51 Lifespace Communities West Des Moines 1,679
52 Dubuque Bank and Trust Dubuque 1,676
53 FBL Financial Group West Des Moines 1,644
54 Allsteel Muscatine 1,600
55 Des Moines Area Community College Ankeny 1,500
56 Flexsteel Industries Dubuque 1,460
57 Titan Tire Corporation Des Moines 1,450
58 Genesis Health System Davenport 1,400
59 Kinseth Hospitality North Liberty 1,282
60 UnityPoint Health – St. Luke’s Sioux City 1,250
61 EFCO Des Moines 1,250
62 Prairie Meadows Altoona 1,223
63 Wilson Trailer Company Sioux City 1,206
64 Curries Mason City 1,200
65 Vista Bakery Inc Burlington 1,200
66 Workiva Ames 1,195
67 Iowa Department of Natural Resources Des Moines 1,170
68 Dee Zee Des Moines 1,122
69 Linn-Mar Community Schools Marion 1,118
70 UFG Insurance Cedar Rapids 1,102
71 Mercy Services Iowa City Inc Iowa City 1,100
72 Dahl’s Foods Des Moines 1,100
73 Mercy Iowa City Iowa City 1,100
74 idX Coralville 1,045
75 West Des Moines Community Schools West Des Moines 1,000
76 Sears Seating Davenport 1,000
77 Stanley Consultants Muscatine 1,000
78 Iowa 80 Group Walcott 1,000
79 Broadlawns Medical Center Des Moines 1,000
80 VT Industries Holstein 996
81 Lutheran Services in Iowa Des Moines 995
82 The Waldinger Des Moines 991
83 CBE Companies Cedar Falls 957
84 Four Oaks Cedar Rapids 939
85 Advanced Component Technology Northwood 930
86 Kemin Industries Des Moines 919
87 Farner-Bocken Carroll 908
88 Decker Truck Line Fort Dodge 905
89 Engineered Plastic Components West Des Moines 901
90 Mercy Clinton Clinton 900
91 VGM Group Waterloo 900
92 Marshalltown Community School District Marshalltown 900
93 ISU Research Park Ames 900
94 Centro North Liberty 896
95 American Republic Insurance Des Moines 891
96 Musco Lighting Oskaloosa 874
97 Rhythm City Casino Davenport 868
98 Hagie Manufacturing Clarion 860
99 Iowa Select Farms Iowa Falls 850
100 Grain Processing Muscatine 840

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