Form 5500 Plan Sponsors in Wisconsin
Page 118 of 182 · 18,129 sponsors (2020–2025).
Oak Medical Sc
81-5159190Hartland, WI·1 plan·2024, 2023, 2022, 2021, 2020Oak Park Dental Mineral Point Rd LLC
14-1921143Madison, WI·1 plan·2024, 2023, 2022, 2021Oak Park Nursing And Rehab Center, LLC
20-5281787Cottage Grove, WI·2 plans·2024, 2023, 2022, 2021, 2020Oak Ridge Care Center, INC.
39-1081647Union Grove, WI·2 plans·2024, 2023, 2022, 2021Oak Ridge Foam & Coating Systems, INC.
26-1571248Green Lake, WI·1 plan·2024, 2025, 2023, 2022, 2021Oakbrook Corporation
39-1591030Madison, WI·2 plans·2024, 2023, 2022, 2021, 2020Oakdale Credit Union
39-6049985Oakdale, WI·1 plan·2024, 2025, 2023, 2022, 2021, 2020Oakdale Estates INC
39-1091709Sturtevant, WI·1 plan·2024, 2023, 2022, 2021, 2020Oakfield Stone Company, INC.
39-1340915Fon Du Lac, WI·1 plan·2024, 2023, 2022, 2021, 2020Oakleaf Clinics, INC.
27-4563392Eau Claire, WI·6 plans·2024, 2023, 2022, 2021, 2020Oakleaf Surgical Hospital LLC
72-1375184Altoona, WI·1 plan·2024, 2023, 2022, 2021, 2020Oakridge Gardens Nursing Center, INC.
39-1367894Menasha, WI·1 plan·2024, 2025, 2023, 2022, 2021, 2020Oaksacorn, INC.
46-4558159Salem, WI·1 plan·2020Oakwood Bank
39-0539730Pigeon Falls, WI·1 plan·2024, 2023, 2022, 2021, 2020Oakwood Clinical Associates Ltd
39-1691074Kenosha, WI·1 plan·2024Oakwood Hills Animal Hospital
04-3623167Eau Claire, WI·1 plan·2024, 2023, 2022, 2021, 2020Oakwood Hills Family Dental, LLC
45-4155567Eau Claire, WI·1 plan·2024, 2025, 2023, 2022, 2021, 2020Oakwood House Of Waukesha Corp.
39-1982688Delafield, WI·1 plan·2024, 2023, 2022, 2021, 2020Oakwood Solutions, LLC
39-1883466Appleton, WI·1 plan·2024, 2023, 2022, 2021, 2020Oakwood Village University Woods Homes, INC.
39-0790565Madison, WI·3 plans·2024, 2023, 2022, 2021, 2020Oasis Health Care
84-4201142Grafton, WI·1 plan·2024, 2023, 2022, 2021Oasys LLC
39-1943684Franklin, WI·1 plan·2020Oberg Ventures, INC.
46-5529991Lake Mills, WI·1 plan·2022, 2021, 2020Oboikovitz Dental, S.C.
86-2469192Madison, WI·1 plan·2024, 2025, 2023Obrien Farms, INC.
39-1344723Brooklyn, WI·1 plan·2024, 2023, 2022, 2021, 2020Ocenco Incorporated
25-1207350Pleasant Prairie, WI·1 plan·2024, 2023, 2022, 2021, 2020Oconnell Financial Services, LLC
20-4328629Windsor, WI·1 plan·2023, 2022, 2021, 2020Oconomowoc Animal Hospital LLC
47-1392088Oconomowoc, WI·1 plan·2022, 2021, 2020Oconomowoc Lake Club
39-0513325Oconomowoc, WI·1 plan·2024, 2023, 2022, 2021, 2020Oconomowoc Landscape Supply Center Ltd
39-1818256Oconomowoc, WI·1 plan·2024, 2023, 2022, 2021Oconomowoc Pediatric Dentistry, S.C.
81-3280450Oconomowoc, WI·1 plan·2024Oconomowoc Pizza, INC.
39-1942095Oconomowoc, WI·1 plan·2024, 2023, 2022, 2021, 2020Oconomowoc Residential Programs, INC.
39-1510207Oconomowoc, WI·3 plans·2024, 2023, 2022, 2021, 2020Oconomowoc Transport Co., INC.
39-1304327Oconomowoc, WI·1 plan·2022, 2021, 2020Oconomowoc Vision Clinic
45-5610995Oconomowoc, WI·1 plan·2024, 2023Ocreative
20-0290793Hartland, WI·1 plan·2024, 2023, 2022, 2021, 2020Octane, LLC DBA Octane Consulting
20-8173372Milwaukee, WI·1 plan·2024, 2023, 2022, 2021, 2020Octavia Legal Associates
82-5433603Madison, WI·1 plan·2024, 2025, 2023, 2022, 2021Octavian Technology Group, LLC
83-3573052Brookfield, WI·1 plan·2022, 2021Octophant LLC
83-3886478River Falls, WI·1 plan·2024, 2025, 2023, 2022Octopi Brewing, LLC
46-4662427Waunakee, WI·2 plans·2024, 2023, 2022, 2021Ocupop INC
20-5137030Milwaukee, WI·1 plan·2024, 2023, 2022Odd Fellow Rebekah Home Association INC
39-0838135Green Bay, WI·1 plan·2024, 2023, 2022, 2021, 2020Odesky Consulting, LLC.
82-0600537Mequon, WI·1 plan·2024, 2023, 2022, 2021, 2020Odyne Systems, LLC
26-4295983Pewaukee, WI·1 plan·2024, 2023, 2022, 2021, 2020Odyssey Climbing Co., LLC
85-1507452Ashwaubenon, WI·1 plan·2024, 2023, 2022Odyssey Fun Center INC
39-1933908Sheboygan Falls, WI·1 plan·2024, 2023, 2022, 2021Odyssey Hotels
68-0593900Glendale, WI·1 plan·2024, 2023, 2022, 2021, 2020Oec Graphics, INC.
39-0520080Oshkosh, WI·1 plan·2024, 2023, 2022, 2021, 2020Oec Graphics, INC.
39-1300300Oshkosh, WI·1 plan·2024, 2023, 2022, 2021, 2020Oem Fabricators, INC.
39-1571676Woodville, WI·2 plans·2024, 2023, 2022, 2021, 2020Oem Products, LLC
20-1284433Sun Prairie, WI·1 plan·2024, 2023, 2022, 2021, 2020Oemmcco, INC.
36-2760105Kenosha, WI·1 plan·2020Office Enterprises, Incorporated
39-1623206Weston, WI·1 plan·2024, 2023, 2022, 2021, 2020Office Furniture Resources, INC.
39-1775972Milwaukee, WI·1 plan·2024, 2023, 2022, 2021, 2020Office Of The Standing Chapter 12 And 13 Trustee Western Dist. Of Wi
39-6640166Madison, WI·1 plan·2024, 2023, 2022, 2021, 2020Office Pro, INC.
68-0542207Beloit, WI·1 plan·2024, 2023, 2022, 2021, 2020Office Systems Installation, LLC
01-0748693New Berlin, WI·1 plan·2024, 2023, 2022, 2021, 2020Offsite, LLC
37-1450524Kenosha, WI·1 plan·2024, 2023, 2022, 2021, 2020Ogden & Company, INC.
39-0514020Milwaukee, WI·1 plan·2024, 2023, 2022, 2021, 2020Oglesby Hardwood Flooring INC
81-2268129Elkhorn, WI·1 plan·2024, 2023, 2022Oguis Auto Repair LLC
37-1642317Milwaukee, WI·1 plan·2020Oh Snap! Pickling, LLC
27-0047645Appleton, WI·1 plan·2024, 2023, 2022, 2021, 2020Ohmco, Co.
84-4214785Appleton, WI·1 plan·2024, 2025Ohnstad Therapy Services, LLC
46-0737372Grantsburg, WI·1 plan·2024, 2023, 2022, 2021Oil Equipment Company, INC.
39-1408347Madison, WI·1 plan·2024, 2023, 2022, 2021, 2020Oil-Rite Corporation
39-1498248Manitowoc, WI·1 plan·2022, 2021, 2020Oil-Rite, LLC
93-3540122Manitowoc, WI·1 plan·2024, 2023Okauchee Redi-Mix, INC.
39-0931405Okauchee, WI·1 plan·2022, 2021, 2020Okeefe Millwork, LLC
88-1340892River Falls, WI·1 plan·2024, 2023, 2022Okray Family Farms, INC.
83-2694115Plover, WI·1 plan·2024, 2023, 2022, 2021, 2020Olameter Corporation
38-2611717Waukesha, WI·2 plans·2024, 2023, 2022, 2021, 2020Olbrich Botanical Society
39-1357247Madison, WI·1 plan·2024, 2023, 2022, 2021, 2020Old Abe Mercantile LLC
99-0939872Park Falls, WI·1 plan·2024Old Fashioned Foods, INC
39-1352833Mayville, WI·2 plans·2024, 2023, 2022, 2021, 2020Old Well Services LLC
93-2012512Pleasant Prairie, WI·1 plan·2024, 2023Oldenburg Group Incorporated
39-0943085Glendale, WI·4 plans·2024, 2023, 2022, 2021, 2020Oldenburg Group Incorporated
39-2036526Glendale, WI·1 plan·2024, 2023, 2022, 2021, 2020Olds Products Co. Of Illinois
36-1577920Pleasant Prairie, WI·2 plans·2024, 2023, 2022, 2021, 2020Oleary & Anick LLC
39-1977004Wauwatosa, WI·1 plan·2024, 2023, 2022, 2021, 2020Oleary-Guth Law Office Sc
39-1669344Mequon, WI·1 plan·2024, 2023, 2022, 2021, 2020Olerud Team Real Estate Group Corp.
83-0842233Wesby, WI·1 plan·2024, 2023, 2022, 2021Oliaun Builders, LLC
84-2252654Mountain, WI·1 plan·2024, 2023Oliphant Brewing, LLC
45-5343982Somerset, WI·1 plan·2024Oliphant Haltom Golf
46-0884135Plover, WI·1 plan·2024, 2023, 2022, 2021, 2020Oliver Construction Company
39-0742570Oconomowoc, WI·1 plan·2024, 2023, 2022, 2021, 2020Olivia INC.
82-1927188Shorewood, WI·1 plan·2024, 2023, 2022Olmix Na INC
61-1701009Black River Falls, WI·1 plan·2020Olp & Associates
81-4729274Trailmukwonago, WI·1 plan·2024, 2025, 2023, 2022, 2021, 2020Olsen Machine
39-1304493Marinette, WI·1 plan·2024, 2023, 2022, 2021, 2020Olsen, Kloet, Gunderson & Conway
39-1020462Sheboygan, WI·1 plan·2024, 2023, 2022, 2021, 2020Olson Dental, LLC
26-1772201Sturgeon Bay, WI·1 plan·2024, 2025, 2023, 2022, 2021, 2020Olson Eye Care, LLC
74-3234248Madison, WI·1 plan·2024, 2023, 2022, 2021Olson Fabrication, INC.
20-2947895Algoma, WI·1 plan·2024, 2025, 2023, 2022, 2021, 2020Olson Funeral Home & Cremation Services
39-1100444Menomonie, WI·1 plan·2024, 2023, 2022, 2021, 2020Olson Paving, INC.
39-1381973Wausau, WI·1 plan·2021, 2020Olson Solar Energy
82-3088304Onalaska, WI·1 plan·2024, 2023, 2022Olson Tire & Auto Service, INC.
39-1593478Wausau, WI·1 plan·2024, 2025, 2023, 2022, 2021, 2020Olson Toon Landscaping INC
39-1876470Verona, WI·1 plan·2024, 2023, 2022, 2021, 2020Olsons Contracting LLC
82-2655483Little Suamico, WI·1 plan·2024