Top 100 Systems Integrator Companies in Wisconsin
The Best of December 2025List of the Best Wisconsin System Integrators
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1$10,000+10 - 49 employeesAppleton, WIRead More
Weidert Group is a marketing and advertising agency and was founded in 1980. Its 28-person team serves the manufacturing, business services, financial services, and information technology sectors. Based in Appleton, Wisc., Weidert Group provides services for web design, SEO, and marketing strategy.
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Sentry EquipmentIndustries
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2Undisclosed50 - 249 employeesMilwaukee, WIRead More
CRM consulting and SI company Penrod was founded in 2012. They are located in Milwaukee, Wisconsin and have a midsize team. Their services include CRM consulting and SI.
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3$10,000+10 - 49 employeesHartland, WIRead More
Xorbix Technologies, Inc., an app development company, was launched in 1998. The small team focuses on mobile app development, custom software development, enterprise app modernization, ux/ui design, and more. The agency is based in Milwaukee, Wisconsin.
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Brady GrandeIndustries
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4$25,000+250 - 999 employeesMilwaukee, WIRead More
Software development firm SPR was established in 1973. The midsize team specializes in custom software development, enterprise app modernization, cloud consulting & SI, ux/ui design, and more. The company is headquartered in Chicago, Illinois and Milwaukee, Wisconsin.
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5Undisclosed50 - 249 employeesAppleton, WIRead More
Ledgeview Partners is an Appleton, Wis. based consultancy that has been in operation since 2007. Their team of 58 assists clients with CRM consulting & SI, business consulting, and market strategy.
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6$1,000+10 - 49 employeesMount Pleasant, WICCB Technology is a Cybersecurity company. Their small team is located in Mount Pleasant, Wisconsin and Kenosha, Wisconsin and focuses on Cybersecurity, IT managed services, IT strategy consulting, and unified communications consulting & SI. The firm was established in 1991.Read More
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7$5,000+50 - 249 employeesSun Prairie, WIAnchor Group, NetSuite and Ecommerce Consultants and Developers is a Sun Prairie, Wisconsin-based ERP consulting and SI company. They specialize in ERP consulting and SI and E-Commerce Development and were launched in 2018.Read More
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National Restaurant AssociationIndustries
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8$5,000+10 - 49 employeesMadison, WIHeadquartered in Albuquerque, New Mexico and Madison, Wisconsin, Mile Marker is a custom software development company. The small company was established in 2020. Their services include custom software development, web development, mobile app development, and cloud consulting & SI.Read More
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FishidyIndustries
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9Undisclosed1,000 - 9,999 employeesMilwaukee, WIIT strategy consulting company LTI was founded in 1997. They are based in Tampa, Florida and Milwaukee, Wisconsin and have a large team. LTI specializes in IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and cybersecurity.Read More
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10Undisclosed10 - 49 employeesMadison, WIRead More
ERP consulting and SI company SuiteDynamics is based in Madison, Wisconsin. The small team focuses on ERP consulting and SI, e-commerce development, and cloud consulting & SI. The agency was launched in 2020.
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11$100,000+10 - 49 employeesGreen Bay, WICRM consulting and SI company QOLOS is based in Green Bay, Wisconsin. The small company was established in 2018. Their team specializes in CRM consulting and SI, Custom Software Development, and E-Commerce Development.Read More
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STRYKER CERTCO THERMOSIndustries
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12$10,000+2 - 9 employeesBrookfield, WIRead More
Octavian Technology Group, LLC is a big data consultancy firm that’s based in Milwaukee and founded in 2019. With a team of fewer than 10 people, they are experts in big data consulting, cloud consulting, and AI solutions for clients.
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All-Star SportsIndustries
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13$1,000+10 - 49 employeesBrookfield, WIRead More
Core Vision IT Solutions is an IT managed services company headquartered in Brookfield, Wisconsin and Palatine, Illinois. The agency offers IT managed services, cybersecurity, cloud consulting & SI, unified communications consulting & SI, and more and has a small team.The agency was established in 2002.
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14$1,000+10 - 49 employeesMount Pleasant, WIDevTeamPro Inc. Is an e-commerce development firm launched in 2021. The small team focuses on E-Commerce Development, ERP consulting and SI, and Web Design. The firm is located in Mount Pleasant, Wisconsin.Read More
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15$1,000+2 - 9 employeesGrafton, WIRead More
3Fold IT, LLC is a small Grafton, Wisconsin-based IT managed services company. They offer IT managed services, unified communications consulting & SI, cybersecurity, IT strategy consulting, and more and were founded in 2006.
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16$25,000+10 - 49 employeesMilwaukee, WIRead More
Swarming Technology is a small e-commerce development company. Launched in 2011, the team offers e-commerce development, cloud consulting & SI, IT strategy consulting, and other IT consulting and SI. The agency is in Milwaukee, Wisconsin.
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17$5,000+10 - 49 employeesNew Berlin, WIRead More
Located in New Berlin, Wis., SWICKtech is an IT managed services provider. Their team of over 10 serves small and midmarket businesses in industries such as manufacturing, business services, and consumer products. Additional services include cybersecurity, cloud consulting, and IT consulting. They were founded in 2004.
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Kesslers Diamond CenterIndustries
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18Undisclosed250 - 999 employeesLittle Chute, WIFounded in 1991, Heartland Business Systems is a midsize CRM consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.Read More
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19Undisclosed250 - 999 employeesMadison, WILaunched in 1993, OneNeck IT Solutions is a big data analytics company. The team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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20$5,000+2 - 9 employeesMilwaukee, WIRead More
James Pellizzi and Company is a digital marketing agency from Milwaukee, Wisconsin. Founded in 2017, the 7-person team provides various services such as marketing strategy, branding, and digital strategy.
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Halling & Cayo -
21Undisclosed50 - 249 employeesMilwaukee, WINew Resources Consulting is an IT staff augmentation company. They provide IT staff augmentation and other IT consulting and SI and were established in 1992.Read More
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22$25,000+50 - 249 employeesGreen Bay, WIThe Lake Companies, Inc. Is an ERP consulting and SI company. The company is based in Green Bay, Wisconsin. Their team focuses on ERP consulting and SI and BI & big data consulting & SI.Read More
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23$1,000+10 - 49 employeesMilwaukee, WIILRAA Data & Analytics is a big data company. Their small team of employees is located in Milwaukee, Wisconsin. Their team provides BI & big data consulting & SI and ERP consulting and SI.Read More
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24$1,000+50 - 249 employeesWausau, WIRMM Solutions is a cloud consulting & SI company launched in 2002. The firm provides cloud consulting & SI and IT managed services, and is midsize.Read More
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25Undisclosed50 - 249 employeesOnalaska, WIInnovia Consulting is an ERP consulting and SI company. They specialize in ERP consulting and SI and Business Consulting and were established in 1984.Read More
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26Undisclosed50 - 249 employeesBrookfield, WIAllium Salesforce Consulting is a CRM consulting and SI company. Founded in 2011, their team focuses on CRM consulting and SI and Custom Software Development.Read More
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27Undisclosed10 - 49 employeesMilwaukee, WIStamm Tech is an IT strategy consulting company. Based in Milwaukee, Wisconsin, the team offers IT strategy consulting and cloud consulting & SI.Read More
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28$1,000+10 - 49 employeesSheboygan, WIFounded in 2016, Panacea Smart Solutions, a small IT managed services company, is in Sheboygan, Wisconsin and Mequon, Wisconsin. Their services include IT managed services and Cybersecurity.Read More
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29$10,000+50 - 249 employeesMadison, WIMIO, a big data analytics company, offer BI & big data consulting & SI. They were established in 1998.Read More
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30$5,000+50 - 249 employeesLa Crosse, WIMidsize big data analytics company Authenticom, is headquartered in La Crosse, Wisconsin. Their services include BI & big data consulting & SI.Read More
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