Top Tech Companies in Chicago, IL (4,904)

OptuLink develops and markets a centralized Self Optimizing Network (SON) platform that increases the effective headroom of mobile networks. Optulink combines IP and RAN domain expertise to be a force multiplier by automating incremental network changes with dynamic feedback expanding effective network capacity by 10% to 20% or more. Optulinks' SON solution tackles the surging demand for mobile data by dynamically...

We're a Chicago digital marketing agency specializing in search engine optimization (SEO), pay per click (PPC), and digital PR. With ROI as our focus, we make a measurable difference and build long-lasting relationships with our clients. -2020 US Search Awards Winner -2020 US Search Awards Finalist x2 -2020 Clutch Top SEO Companies -2019 Best and Brightest Companies to Work For in Chicago -2019 National Winner...

Premium dog walking and sitting services – book on demand or schedule in advance, 24/7x365. Passionately serving dogs and their owners in metro Chicago since 2013. 

Volexion is a battery technology company working to improve the performance of lithium-ion batteries globally. Volexion’s proprietary graphene coating for lithium-ion battery cathodes dramatically improves energy and power density while reducing costs. Volexion was founded by Prof. Mark Hersam, Director of the Northwestern University Materials Research Center and a MacArthur Fellow, who discovered that coating battery cathodes with graphene can...