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We're Your Modern B2B Lead Generation Experts

with a successful track record since 2003!

About Grindstone

Grindstone, Inc. is a sales leads generation company headquartered in the Baltimore Metro region of Maryland, USA. Grindstone was founded by CEO Brian Augustus Parnell. Established in 2003, Grindstone specializes in professional B2B sales and marketing programs for clients nationally and internationally. Grindstone integrates talented people, email marketing, automated lead nurturing, and professional management oversight in every program. All programs embrace a multi-touch strategy that drives near term revenue opportunities. The spectrum of clients range from small businesses to fortune 500 companies with complex sales cycles. A proven sales leads generation company since 2003, we are here to help you grow your company. We are proud to maintain A+ BBB rating as a professional lead generation company.

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