The 100 Largest Companies In Wyoming For 2020

by Chris Kolmar
Biggest Companies, Rankings - 9 months ago

Find a Job You Really Want In

To get started, tell us where you'd like to work.

Sorry, we can't find that. Please try a different city or state.


If you live in Wyoming and you’re looking for a job, you have come to the right place.

What’s The Largest Company In Wyoming?

University Of Wyoming is the largest company headquartered in Wyoming based on our database of 10 million resumes. It has 3,870 employees. See the full table or the methodology below.

Because, sure, you can google things like ‘biggest companies in Wyoming’ 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 Wyoming.

Below, we’ll give you a complete list of Wyoming’s 41 largest companies, but first, here’s a look at the top 10:

  1. University of Wyoming
  2. Omega Probe
  3. Sheridan College
  4. Boardwalk Real Estate Investment Trust
  5. Elkhorn Construction
  6. Cloud Peak Energy
  7. Admiral Beverage
  8. Wyoming Medical Center
  9. True Drilling
  10. Sierra Trading Post

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

How we identified the biggest companies in Wyoming

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 Wyoming with at least 100 employees. That left us with 41 companies.

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

As it turns out, University of Wyoming looks to the be the biggest company in Wyoming clocking in with 3,870 employees.

Now, check out how the 41 biggest companies in Wyoming ranked.

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

Detailed List Of The 41 Biggest Companies In Wyoming

Rank Company City Employees
1 University of Wyoming Laramie 3,870
2 Omega Probe Cheyenne 2,200
3 Sheridan College Gillette 2,000
4 Boardwalk Real Estate Investment Trust Gillette 1,300
5 Elkhorn Construction Evanston 1,300
6 Cloud Peak Energy Gillette 1,200
7 Admiral Beverage Worland 1,189
8 Wyoming Medical Center Casper 1,082
9 True Drilling Casper 799
10 Sierra Trading Post Cheyenne 780
11 Wyoming Machinery Company Casper 764
12 L&H Industrial Gillette 720
13 Sheridan VA Medical Center Sheridan 650
14 Cyclone Drilling Gillette 600
15 Taco John’s Cheyenne 473
16 Jackson Hole Mountain Resort Wilson 410
17 Trihydro Laramie 301
18 Northwest College Powell 270
19 Simon Contractors Cheyenne 240
20 Teton Pines Wilson 175
21 Craft-Co Enterprises Sheridan 175
22 Parkway Plaza Casper 175
23 Spradley Barr Motors Cheyenne 175
24 Automation & Electronics Casper 175
25 Centennial Park Rock Springs 175
27 Campbell County High SchoolCCHS, Campbell County Gillette 175
28 Uinta 1 Evanston 175
29 Memorial Hospital of Carbon County Rawlins 175
30 Wyoming Tribune Eagle Cheyenne 175
31 Green River Green River 175
32 Y-Tex Cody 175
33 Excal Mills 175
34 Old Baldy Saratoga 175
35 Castle Rock Convalescent Ctr Green River 175
36 Teton Mountain Lodge & Spa Teton Village 175
37 Hawkins & Powers Aviation Greybull 175
38 Kelly Walsh High School Casper 175
39 North Big Horn Hospital Clinic Lovell 175
40 Teton County Parks & Rec Dept Jackson 175
41 SST Energy Casper 120

For more reading, check out:

Job type you want
Full Time
Part Time