Employers A to Z
5,619 employers: every company on Know The Boss with visa filings, plus every other employer with 10 or more H-1B approvals or green cards in FY2025.
Starting with O
102 employers, H-1B approvals and green cards in FY2025
- O2 Technologies
10 H-1Bs and 0 green cards
- O3 Technology Solutions
16 H-1Bs and 0 green cards
- O9 Solutions
56 H-1Bs and 10 green cards
- Oak Grove School District
10 H-1Bs and 0 green cards
- Oak Street Health Mso
12 H-1Bs and 0 green cards
- Oak View Farms
0 H-1Bs and 34 green cards
- Oakland University
21 H-1Bs and 0 green cards
- Oasis Professional Management Group
0 H-1Bs and 26 green cards
- Obayashi
12 H-1Bs and 0 green cards
- Oberlin College
14 H-1Bs and 0 green cards
- Oberon It
14 H-1Bs and 0 green cards
- Objects On Net Inc Oonet
20 H-1Bs and 0 green cards
- Oc and C Strategy Consultants USA
10 H-1Bs and 0 green cards
- Occidental Petroleum
18 H-1Bs and 0 green cards
- Ocean Air Enterprises
0 H-1Bs and 22 green cards
- Ocean Care Services
0 H-1Bs and 10 green cards
- Ocher Technology Group
10 H-1Bs and 0 green cards
- Ochsner Clinic Foundation
112 H-1Bs and 29 green cards
- Oclc
26 H-1Bs and 0 green cards
- Oconomowoc Developmental Training Center of Wisconsin
0 H-1Bs and 45 green cards
- Octagon It
16 H-1Bs and 0 green cards
- Od Steamboat
0 H-1Bs and 25 green cards
- Odp International
12 H-1Bs and 0 green cards
- Ogrady Peyton Intl USA
29 H-1Bs and 0 green cards
- Ohio Farmers Insurance
23 H-1Bs and 0 green cards
- Ohio State University
219 H-1Bs and 1 green card
- Ohiohealth
154 H-1Bs and 0 green cards
- Ohiohealth Physician Group
13 H-1Bs and 0 green cards
- Ojus
11 H-1Bs and 0 green cards
- Okbl USA Technology
26 H-1Bs and 0 green cards
- Oklahoma State University
56 H-1Bs and 10 green cards
- Okta
106 H-1Bs and 81 green cards
- Old Dominion University
48 H-1Bs and 0 green cards
- Oliver Wyman
13 H-1Bs and 0 green cards
- Olsson
12 H-1Bs and 0 green cards
- Om Partners USA
20 H-1Bs and 0 green cards
- Om Tek
0 H-1Bs and 12 green cards
- Oma4
23 H-1Bs and 0 green cards
- Omd USA
19 H-1Bs and 0 green cards
- Omnicell
21 H-1Bs and 0 green cards
- Omnissa
77 H-1Bs and 0 green cards
- Omnivision Technologies
54 H-1Bs and 18 green cards
- Omron Robotics and Safety Technologies
13 H-1Bs and 0 green cards
- Oncorre
15 H-1Bs and 0 green cards
- One Algorithm
11 H-1Bs and 0 green cards
- Oneh2
24 H-1Bs and 0 green cards
- Onemain General Services
47 H-1Bs and 12 green cards
- Onestopd Solutions
13 H-1Bs and 0 green cards
- Oneus Technologies
16 H-1Bs and 0 green cards
- Onix Networking
24 H-1Bs and 0 green cards
- Only It Consulting
17 H-1Bs and 0 green cards
- Onto Innovation
17 H-1Bs and 0 green cards
- Onward Technologies
32 H-1Bs and 0 green cards
- Open Avenues Foundation
91 H-1Bs and 0 green cards
- Open Systems International
18 H-1Bs and 0 green cards
- Open Text
19 H-1Bs and 0 green cards
- OpenAI
125 H-1Bs and 3 green cards
- Opengov
17 H-1Bs and 0 green cards
- Openlogix
11 H-1Bs and 0 green cards
- Oportun
18 H-1Bs and 0 green cards
- Opportunity of North Central Wisconsin
0 H-1Bs and 80 green cards
- Optimus Services
0 H-1Bs and 21 green cards
- Options in Community Living
0 H-1Bs and 20 green cards
- Optiver Services US
25 H-1Bs and 0 green cards
- Optum
580 H-1Bs and 181 green cards
- Opus Technologies
17 H-1Bs and 0 green cards
- Orabase Solutions
14 H-1Bs and 12 green cards
- Oracle
2,748 H-1Bs and 1,198 green cards
- Oral Arts Dental Laboratories
0 H-1Bs and 10 green cards
- Orangeburg County School District
13 H-1Bs and 11 green cards
- Orasys
15 H-1Bs and 0 green cards
- Orchestra Technology
0 H-1Bs and 22 green cards
- Oregon Health and Science University
84 H-1Bs and 0 green cards
- Oregon Institute of Technology
11 H-1Bs and 0 green cards
- Oregon State University
86 H-1Bs and 0 green cards
- Oreilly Technology Services
12 H-1Bs and 0 green cards
- Oremda Infotech
16 H-1Bs and 0 green cards
- Oriana Software Solutions
13 H-1Bs and 0 green cards
- Orien Solutions
19 H-1Bs and 0 green cards
- Origin Hubs
19 H-1Bs and 26 green cards
- Orion Systems Integrators
62 H-1Bs and 17 green cards
- Oriontek
14 H-1Bs and 0 green cards
- Orlando Health
11 H-1Bs and 0 green cards
- Orpine
31 H-1Bs and 13 green cards
- Orrba Systems
24 H-1Bs and 0 green cards
- Orrick Herrington and Sutcliffe
12 H-1Bs and 0 green cards
- Oscar Management
13 H-1Bs and 0 green cards
- Osf Healthcare System
38 H-1Bs and 13 green cards
- Osf Multi-Specialty Group
39 H-1Bs and 0 green cards
- Oshkosh Coil Spring
0 H-1Bs and 12 green cards
- Osi Digital
14 H-1Bs and 10 green cards
- Osisoft
14 H-1Bs and 0 green cards
- Oss
19 H-1Bs and 0 green cards
- Ot Technology
23 H-1Bs and 0 green cards
- Otis Elevator
25 H-1Bs and 0 green cards
- Otis Technology
0 H-1Bs and 11 green cards
- Otter.Ai
21 H-1Bs and 0 green cards
- Ou Health Partners
19 H-1Bs and 0 green cards
- Outdoor Wireless Networks
18 H-1Bs and 0 green cards
- Overhead Door
21 H-1Bs and 0 green cards
- Overstock.Com
0 H-1Bs and 12 green cards
- Ovs Technologies
19 H-1Bs and 0 green cards
Looking for a smaller employer? Search any name on the visa sponsorships page. It covers every employer in the filings, not just the ones listed here.