About Grindstone

Grindstone, Inc. is a B2B expert sales support company specializing in prospecting and business development activities to support it’s clients and their sales teams. The company is headquartered out of the Baltimore/D.C. 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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    Grindstone’s multi-touch approach integrates talented people, sales leads generation techniques, email communication, online automation, and professional management oversight. Primary Services include B2B Sales Lead Generation, Appointment Setting, Event Promotion, and Market Research/Survey services.

    Every program starts with the goal of maintaining a successful partnership with our client. Grindstone conducts marketing programs both nationally and internationally. Whether you are an established fortune 500 company or a small business, Grindstone is a professional sales leads generation company and here to help. Grindstone will consult with you to fully understand your businesses needs and create solutions that get the kind of results you would expect from a reputable company and partner. Grindstone has solutions for all sized companies. We embrace a team oriented culture motivated to succeed for our clients. We love providing high quality Sales Leads to our clients. Accelerated revenue and client ROI is our number one priority.

    Our Mission

    • Accelerate client revenue opportunities
    • Deliver healthy returns on client investment
    • Represent clients with the highest level of professionalism in the industry
    • Earn trust and client loyalty
    • Establish ongoing client partnerships


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