Fitchburg's Major Employers
The City of Fitchburg combines the best of city and rural life with a population of more than 25,260 residents and over 700 businesses surrounded by family farms, community parks and world-class bike trails.
The following list is in order by the number of employees:
| COMPANY NAME | FITCHBURG EMPLOYER | WEB ADDRESS |
| Promega Corp. ( Includes Terso, BTC & Fitchburg Research Assoc | 815 | www.promega.com |
| Sub Zero Freezer Co Inc | 474 | www.subzero.com |
| Agrace HospiceCare Inc | 468 (FT/PT) | www.agracehospicecare.org |
| Super Target | 450 (FT/PT) | www.target.com |
| Thermo Fisher Scientific | 430 | www.thermofisher.com |
| Wolf Appliance | 418 | www.wolfappliance.com |
| Placon Corporation | 341 | www.placon.com |
| CDW | 261 | www.cdw.com |
| City of Fitchburg | 260 (FT/PT) | www.city.fitchburg.wi.us |
| Tri-North Builders | 250 (FT/PT) | www.tri-north.com |
| Certco Inc | 216 | www.certcoinc.com |
| Wingra Stone Co/Redi-Mix, Inc. | 200 | www.wingrastone.com |
| Oakhill Correntional Facility | 200 + | www.wi-doc.com/oakhill.htm |
| Saris Cycling Group | 167 | www.saris.com |
| WI Depart of Natural Resources | 165 | www.dnr.state.wi.us |
| General Beverage Sales Co./Beer Distributors | 150 | www.genbev.com |
| Verona School District (Savanna Oaks/Stoner Prairie Schools) | 141 | www.verona.k12.wi.us |
| Gordon Flesch Company | 131 | www.gflesch.com |
| Per Mar Security Service | 128 FT 2 PT | www.permarsecurity.com |
| Bruker AXS | 128 | www.bruker-axs.com |
| St Mary's Hospital (Renal Clinic, Sleep Clinic and Business Office) | 117 | www.stmarysmadison.com |
| Clear Channel Radio-Madison | 100 | www.clearchannel.com |
| Copp's Food Store | 90 (FT/PT) | www.copps.com |
| Group Health Cooperative (GHC) | 89 | www.ghc-hmo.com |
| Citrus Systems Madison LLC | 78 | www.citrussystemsmadison.com |
| Park Bank | 75 | www.parkbank.com |
| Stark Company Realtors | 74 | www.starkhomes.com |
| Philips Medical | 70 | www.philips.com |
| Nedrebo's Formal Wear | 70 (FT/PT) | www.nedrebos.com |
| Insperity Time and Attendance | 66 | www.insperity.com |
| First Weber Real Estate | 65 | www.firstweber.com |
| Wisconsin Dialysis Clinic | 65 | www.wisconsindialysis.org |
| AMC Theatres | 67 (FT/PT) | www.amctheathres.com |
| Woods Hollow Daycare | 56 (FT/PT) | www.woodshollow.com |
| Payne & Dolan Inc | 54 | www.payneanddolan.com |
| Credit Union Executives Society (CUES) | 54 | www.cues.org |
| Coldwell Banker Success | 50 | www.sveum.com |
| Cameca Instruments Inc | 50 | www.imago.com |
| Auxiant | 46 | www.auxiant.com |
| Benjamin Plumbing | 45 | www.benjaminplumbing.com |
| KL Engineering | 42 | www.klengineering.com |
| Quality Inn & Suites | 42 (FT/PT) | www.qualitysuitesmadison.com |
| Tuscany Grill | 42 (FT/PT) | www.tuscanygrill-fitchburg.com |
| Eagle School | 37 (FT/PT) | www.eagleschool.org |
| Wisconsin Hospital Association (WHA) | 36 | www.wha.org |
| Bunbury & Associates Real Estate | 35 | www.bunburyrealtors.com |
| Pike Technologies | 34 | www.piketech.com |
| United Vaccines | 33 | www.unitedvaccines.com |
| PDQ Food Stores (3 Stores) | 32 (FT/PT) | www.pdqstores.com |
| Mastergraphics | 31 | www.mastergraphics.com |
| UW Health - Physcians Plus | 30 | www.uwhealth.org |
| Oak Bank | 29 | www.oakbankonline.com |
| North Star Financial Services | 25 | www.northstarfinancial.com |
| Mapping Specialists | 24 | www.mappingspecialists.com |
| Sprint Print | 22 | www.sprintprint.com |
| Happy Dogz | 21 | www.happyz.com |
| Level 5 Motorsports | 21 | www.l5racing.com |
| Sara Investments | 20 | www.sarainvest.com |
| Platypus Technologies | 20 | www.platypustech.com |