For Information on Products and Services Rick O’Sadnick Senior Scientist  Sales/Service 202.258.4777 Fax:  815.280.0909 rick@benzaco.com John Ablon President / CEO 202.338.7777 (office) Cell:  202.255.7770 Fax:  202.625.7777 john@benzaco.com To contact our equipment shop for service and maintenance: Dean Chauncey Equipment Shop Manager 888.413.5900 Shop: 540.371.5560 Mobile: 202.368.7771   Fax: 540.371.0133 dean@benzaco.com To contact accounting and billing & sales: Linda Barnes Vice-President / CFO 888.413.5800 (toll free) 540.752.9294 (office) 540.752.6061 (fax) linda@benzaco.com