The 100 Largest Companies in Idaho for 2026
If you’re seeking employment opportunities in Idaho, you’ve come to the right place. While a simple online search for the ‘largest companies in Idaho’ might yield a long list, we focus on providing you with the most current information about companies headquartered in Idaho with the highest number of employees.
Below, you will find a comprehensive list of the 100 largest companies in Idaho, but first, let’s highlight the top 10:
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Albertsons Companies (Jobs)
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Albertsons (Jobs)
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Micron Technology (Jobs)
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AMI Semiconductor (Jobs)
-
St. Luke’s Health System (Jobs)
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Washington Group International (Jobs)
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Winco Holdings, Inc. (Jobs)
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Forest Products Holdings LLC (Jobs)
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J.R. Simplot (Jobs)
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Forsta (Jobs)
Albertsons Companies ranks as the largest employer in the state, boasting the highest number of employees. Now, let’s dive into our methodology for these rankings.
Methodology for Identifying Idaho’s Largest Companies
At Zippia, we’ve built a comprehensive database of over 250,000 companies across the country.
For this report, we focused on companies headquartered in Idaho with a minimum of 100 employees, resulting in a pool of 240 companies. We then ranked these companies based on the number of current employees to determine Idaho’s largest companies.
As it stands, Albertsons Companies is the largest employer in Idaho, with an impressive 325,000 employees. Now, let’s take a closer look at the full list of Idaho’s 100 largest companies.
Detailed List of the 100 Largest Companies in Idaho
| Rank |
Company |
City |
Employees |
Jobs |
| 1 |
Albertsons Companies |
Boise |
325,000 |
Jobs |
| 2 |
Albertsons |
Boise |
325,000 |
Jobs |
| 3 |
Micron Technology |
Boise |
49,000 |
Jobs |
| 4 |
AMI Semiconductor |
Pocatello |
36,000 |
Jobs |
| 5 |
St. Luke’s Health System |
Boise |
30,000 |
Jobs |
| 6 |
Washington Group International |
Boise |
20,000 |
Jobs |
| 7 |
Winco Holdings, Inc. |
Boise |
20,000 |
Jobs |
| 8 |
Forest Products Holdings LLC |
Boise |
10,191 |
Jobs |
| 9 |
J.R. Simplot |
Boise |
10,002 |
Jobs |
| 10 |
Forsta |
Boise |
7,500 |
Jobs |
| 11 |
Norco |
Boise |
7,500 |
Jobs |
| 12 |
POWER Engineers |
Hailey |
7,500 |
Jobs |
| 13 |
Lamb Weston |
Eagle |
7,200 |
Jobs |
| 14 |
Boise Cascade |
Boise |
6,370 |
Jobs |
| 15 |
University of Idaho |
Moscow |
4,490 |
Jobs |
| 16 |
Idaho State University |
Pocatello |
4,295 |
Jobs |
| 17 |
US Ecology |
Boise |
3,600 |
Jobs |
| 18 |
Taylorview Middle School |
Idaho Falls |
3,500 |
Jobs |
| 19 |
Idaho Timber |
Meridian |
3,500 |
Jobs |
| 20 |
Kyäni |
Idaho Falls |
3,415 |
Jobs |
| 21 |
PartnerHero |
Boise |
3,000 |
Jobs |
| 22 |
Jackson Food Store |
Meridian |
3,000 |
Jobs |
| 23 |
Mountain View Hospital |
Idaho Falls |
3,000 |
Jobs |
| 24 |
Assisting Hands Home Care |
Nampa |
3,000 |
Jobs |
| 25 |
Portneuf Medical Center |
Pocatello |
3,000 |
Jobs |
| 26 |
North Wind, Inc. |
Idaho Falls |
3,000 |
Jobs |
| 27 |
Coriolis Télécom |
Paris |
3,000 |
Jobs |
| 28 |
North Idaho College |
Coeur d’Alene |
3,000 |
Jobs |
| 29 |
Snake River Sugar Company |
Boise |
2,500 |
Jobs |
| 30 |
Hagadone Investment Company |
Coeur d’Alene |
2,250 |
Jobs |
| 31 |
Woodgrain |
Fruitland |
2,200 |
Jobs |
| 32 |
Extreme Staffing & Payroll |
Twin Falls |
2,000 |
Jobs |
| 33 |
Sun Valley Resort |
Sun Valley |
2,000 |
Jobs |
| 34 |
Ridley’s Family Markets |
Jerome |
2,000 |
Jobs |
| 35 |
Idaho Power |
Boise |
1,943 |
Jobs |
| 36 |
PetIQ |
Eagle |
1,929 |
Jobs |
| 37 |
Hecla Mining |
Coeur d’Alene |
1,650 |
Jobs |
| 38 |
Idaho Central Credit Union |
Chubbuck |
1,600 |
Jobs |
| 39 |
Kootenai Health |
Coeur d’Alene |
1,579 |
Jobs |
| 40 |
CTI Foods |
Wilder |
1,500 |
Jobs |
| 41 |
Idaho Forest Group |
Coeur d’Alene |
1,200 |
Jobs |
| 42 |
Melaleuca: The Wellness |
Idaho Falls |
1,200 |
Jobs |
| 43 |
Scentsy |
Meridian |
1,056 |
Jobs |
| 44 |
Washington Closure Company LLC |
Boise |
1,050 |
Jobs |
| 45 |
Agri Beef |
Boise |
1,000 |
Jobs |
| 46 |
Bingham Memorial Hospital |
Blackfoot |
1,000 |
Jobs |
| 47 |
Amalgamated Sugar |
Boise |
1,000 |
Jobs |
| 48 |
College of Western Idaho |
Nampa |
962 |
Jobs |
| 49 |
St. Joseph Regional Medical Center |
Lewiston |
849 |
Jobs |
| 50 |
Manito Super 1 Foods Inc |
Hayden |
800 |
Jobs |
| 51 |
West Valley Medical Center |
Caldwell |
800 |
Jobs |
| 52 |
Excaliber Inc |
Post Falls |
790 |
Jobs |
| 53 |
AGC AeroComposites |
Hayden |
751 |
Jobs |
| 54 |
Idaho Falls Regional Airport |
Idaho Falls |
750 |
Jobs |
| 55 |
Madison Memorial Hospital |
Rexburg |
750 |
Jobs |
| 56 |
Lewis-Clark State College |
Lewiston |
750 |
Jobs |
| 57 |
SCIENTECH |
Idaho Falls |
750 |
Jobs |
| 58 |
Impact Group Brokerage |
Boise |
750 |
Jobs |
| 59 |
Bonner General Health |
Sandpoint |
750 |
Jobs |
| 60 |
Cradlepoint |
Boise |
750 |
Jobs |
| 61 |
Elevation Labs |
Idaho Falls |
750 |
Jobs |
| 62 |
Arnold Machinery |
Meridian |
750 |
Jobs |
| 63 |
Terteling Co Inc |
Boise |
725 |
Jobs |
| 64 |
Hill Construction Company |
Meridian |
700 |
Jobs |
| 65 |
Larsen Farms |
Hamer |
687 |
Jobs |
| 66 |
Northwest Nazarene University |
Nampa |
677 |
Jobs |
| 67 |
Northwest Bec-Corp |
Pocatello |
650 |
Jobs |
| 68 |
BRP Health Mgmt. |
Pocatello |
634 |
Jobs |
| 69 |
Idahoan |
Idaho Falls |
590 |
Jobs |
| 70 |
Atk |
Lewiston |
500 |
Jobs |
| 71 |
Clean and Green |
Rexburg |
499 |
Jobs |
| 72 |
Glanbia Foods Inc |
Twin Falls |
499 |
Jobs |
| 73 |
Northwest Lineman College |
Meridian |
464 |
Jobs |
| 74 |
Nez Perce Tribe |
Lapwai |
450 |
Jobs |
| 75 |
Great American Appetizers |
Nampa |
450 |
Jobs |
| 76 |
Smith Optics |
Ketchum |
422 |
Jobs |
| 77 |
Canyon County |
Caldwell |
412 |
Jobs |
| 78 |
In Time Tec |
Meridian |
409 |
Jobs |
| 79 |
Western Power Sports |
Boise |
398 |
Jobs |
| 80 |
The College of Idaho |
Caldwell |
394 |
Jobs |
| 81 |
Empowered Education |
Boise |
375 |
Jobs |
| 82 |
Topo Insurance Group |
Rexburg |
375 |
Jobs |
| 83 |
Royal Journeys, LLC |
Idaho City |
375 |
Jobs |
| 84 |
Hayden Beverage |
Boise |
375 |
Jobs |
| 85 |
North Canyon Medical Center |
Gooding |
350 |
Jobs |
| 86 |
Coldwell Banker Distinctive Properties |
Ketchum |
350 |
Jobs |
| 87 |
Capital High School |
Boise |
350 |
Jobs |
| 88 |
IEC Group |
Meridian |
350 |
Jobs |
| 89 |
SummerWinds Nursery |
Boise |
350 |
Jobs |
| 90 |
Dickinson Frozen Foods |
Fruitland |
350 |
Jobs |
| 91 |
Opportunities Unlimited, Inc. |
Lewiston |
350 |
Jobs |
| 92 |
MOFFATT |
Boise |
350 |
Jobs |
| 93 |
Sun-Glo of Idaho |
Sugar City |
350 |
Jobs |
| 94 |
Ford Idaho Center |
Nampa |
350 |
Jobs |
| 95 |
C-A-L Ranch Stores |
Burley |
350 |
Jobs |
| 96 |
Shore Lodge |
McCall |
350 |
Jobs |
| 97 |
The Salvation Army Kroc Center Coeur d’Alene |
Coeur d’Alene |
350 |
Jobs |
| 98 |
Axiom Fitness |
Boise |
350 |
Jobs |
| 99 |
City of Lewiston |
Lewiston |
350 |
Jobs |
| 100 |
City of Meridian, Idaho – Government |
Meridian |
350 |
Jobs |
As you explore career opportunities in Idaho, consider the diverse sectors represented by these companies, from healthcare and technology to education and retail. With many organizations adopting flexible work arrangements, this list reflects a robust job market that continues to evolve. Whether you’re starting your career or seeking new opportunities, Idaho’s largest employers offer a variety of paths to success.
