Omni Computer Services, Inc. 7501 Village Rd, Sykesville, MD21784 Omni Computer Services, Inc., is a full-service direct mail fundraising and business solutions company. It specializes…More in direct mail fundraising for fire rescue and ambulance services as well as non-profits. It also can provide marketing work, promotional items, business cards, printing services, graphic design work and more. Some promotional items include mugs, calendars, magnets, mousepads, notebooks, calculators and much more. Check the main site for details on services or for a full list of capabilities.