CRMCulture was a 52 person Salesforce Implementation Partner as well as an ISV developing popular Salesforce AppExchange Apps like ActionGrid and a few free apps.
CRMCulture had roots in on-premise CRM's like Microsoft Dynamics and Pivotal CRM where they were Pivotal's Partner of the year several years running and even created an add-on product similar ActionGrid named "ProductivityPack" which was acquired by Pivotal in 2015.