Stan & Lou Advertising recently celebrated its 15th anniversary at its new Houston office with a traditional Mexican-themed party for more than 200 guests and agency personnel. Partygoers in attendance included (l. to r.) Britni Schmermund, S&LA account coordinator; Bill Penczak, agency CEO; Dennis Vegas, vice president and director of marketing for Mexican Restaurants Inc.; and Debbie Santinga, shop production manager.