Fairfield, CA

Map of Location
Fairfield Office Information

3271 Avenido Del Lago Way
Fairfield, CA 94533


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DSD Fairfield specializes in the selection, customization, implementation, training, and ongoing support of Sage 100 ERP and Sage CRM. We also offer sales and services for Sage-compatible products such as In-Synch, website database integration software, and Time Clock, time attendance software that integrates with Sage 100 ERP Payroll.  Additionally, DSD Fairfield is recognized by both peers and clients for expertise in System Analysis and Design, Data Conversion, Crystal Report Writing, Scripting and Technical Support. Along with nearly 20 years combined experience, our staff members have degrees in accounting and computer engineering and we specialize in serving organizations of all sizes in a wide range of different industries.

Areas Served:

We service all of Northern California, including but not limited to the following areas:

Antioch, Benicia, Concord, Fairfiel, Folsom, Martinez, Napa, Pittsburg, Pleasant Hill, Redding, Sacramento, Vacaville, Vallejo, Yuba City

Office Specializations:
  • Software needs analysis
  • System implementation and project management
  • Data conversion
  • On-site and off-site training
  • Custom Crystal Report Writing
  • Custom Scripting
  • Accounting assistance
Mary McNelis

Mary has over 20 years of Sage 100 ERP experience. She began her career as an Accounting Manager and worked her way up to her last position as a Controller. She has managed an accounting staff ranging from 5 to 25 people in her department. Mary specializes in Sage 100 ERP sales, training, and support. She is a Sage Certified Trainer and especially enjoys training on core financials and distribution. Mary received her Bachelor’s Degree in Accounting in 1990 and is still acting Controller for a Taco Bell Franchisee.

Sage Software:
Sage Compatible Products:
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