• The first 100 units had a huge 14” decal on the front.
• MD produced the first 2-motor unit
• MD produced the first unit with dual intake necks
• 1963 MD started it’s first dealership:  John Blakee of Central Systems
• Model A (cyclonic) , Model B (Basic single Motor) Model E (Extra-Large Capacity)

Marketing materials developed and dealerships grew:

• 1971 Son Wayne Emdy purchased the business from his father
• 1976 Business moved to Sunland, CA in it’s first shop
• 1976 First non-family members hired
• 1978 Wayne quit local installing to concentrate on dealers and distributors
• 1978 MD computerized it’s billing and inventory system
• 1978 Sales of units expand to Ted Hayden in Canada
• 1979 Business moved to North Hollywood on Magnolia Blvd.
• 1979 Air Master brand and FloMaster brand initiated

Growth and expansion - First distribution to nationwide distributors:

• 1980 Improved secondary filtration methods instituted
• 1981 Moved factory to Sun Valley, CA
• 1983 Began exhibiting and teaching seminars at VDTA (Vacuum Dealers Trade Assn)
• 1983 Fire at Sun Valley Plant destroyed all tooling & inventory. Units began shipping two weeks later from operations back at Charlie’s garage.
• 1983 Exhibited at National Builders Show in Houston.
• 1985 MD produced the first installation video of the industry
• 1987 Wayne Emdy receives patent for first Quiet Central Vacuum and Silent Master Brand
• 1987 Factory moves to much larger facility in Bakersfield, CA
• 1988 Sales expand to Australia, New Zealand, South Africa, and Europe

International Growth:

• 1992 Wayne Emdy passes away; succeeded by Grant Olewiler as General Manager
• 1993 Sales extend to Malaysia, Ireland, Spain, UAE, Taiwan
• 1994 MD successfully defends it quiet patent against two infringing companies
• 1994 MD begins sales of incredible new Stealth Powerbrush
• 1995 MD introduces CartMaster; a central vacuum contained within a cart
• 1995 MD purchased domain-names and started builtinvacuum.com and centralvacuuum.com (world's first central vacuum site, initially just over 100 pages).
• 1995 Wayne and Charles Emdy inducted into the VDTA Hall of Fame
• 1995 Charles Emdy quit sewing the cloth bags for all the MD units at age 89
• 1998 MD hires Andrew Bransby as E-Commerce Director

Internal Growth:

• 2001 Shipments of MD Vacuums begin into China
• 2002 MD began on-line sales
• 2002 MD hires Brian Graves from Toshiba as Operations Director
• 2002 MD introduced first integrated vacuum system AirForce (first residential product using UPB powerline communication)
• 2003 Finalist in CEA “Mark of Excellence Award”
• 2004 MD received new “Olewiler” Patent for quieting vacuum motors
• 2004 MD doubles it’s office space in Bakersfield
• 2004 New software system implemented for all facets of the company
• 2005 MD defends against a wave of online copyright infringment
• 2006 First report of broken belt on a Stealth after 12 years
• 2006 MD introduces new Patented CentraMop and Manta to the market
• 2007 State of the art WMS (Warehouse Management Software) implemented
• 2007 MD receives “Product of the Year” award from CE Pro
• 2007 MD receives “Excite” award from Residential Systems
• 2008 MD hires Steve Spriet to take over Dealer Sales
• 2008 MD begins construction of new Manufacturing facility / Corporate office