Some of Marko & Associates' clients:

• Bethesda Elementary School - Waukesha, WI
• Blessed Sacrament School - Milwaukee, WI
• Bruce Guadalupe Community School - Milwaukee, WI
• Cardinal Stritch University - Milwaukee, WI
• Cardinal Stritch University M-Tec Program - Glendale, WI
• Carmen High School of Science & Technology - Milwaukee, WI
• Christ Saint Peter School - Milwaukee, WI
• Cooperative Educational Service Agency #1 (CESA1) - Milwaukee, WI
• Glendale-River Hills School District - Glendale, WI
• Hawthorne Elementary School - Waukesha, WI
• Holy Family Parish School - Whitefish Bay, WI
• Knapp Elementary School - Racine, WI
• Kosciuszko Elementary School - Cudahy, WI
• Kosciuszko Middle School - Milwaukee, WI
• Loyola Academy High School - Milwaukee,WI
• Lumen Christi Catholic School - Thiensville, WI
• Marengo Community Middle School - Marengo, IL
• Martin Luther King Elementary School - Milwaukee, WI
• Milwaukee Academy of Science - Milwaukee, WI
• Mt. Calvary Lutheran School - Milwaukee, WI
• Mundelein High School - Mundelein, IL
• Nativity Jesuit Middle School - Milwaukee, WI
• Notre Dame Middle School - Milwaukee, WI
• Oak Creek-Franklin Joint School District - Oak Creek, WI
• Our Lady Queen of Peace School - Milwaukee, WI
• Pulaski School District - Pulaski, WI
• Racine School district - Racine, WI
• Richmond Elementary School - Sussex, WI
• South Milwaukee High School - South Milwaukee, WI
• St. Adalbert Elementary School - Milwaukee, WI
• St. Catherine School - Milwaukee, WI
• St. Eugene School - Fox Point, WI
• St. Francis Xavier Grade School - Manitowoc, WI
• St. Joan Antida High School - Milwaukee, WI
• St. John's Lannon School - Lannon, WI
• St. John's Lutheran School - West Bend, WI
• St. John's Northwestern Military Academy - Delafield, WI
• St. Peter Immanuel Lutheran School - Milwaukee, WI
• St. Robert Elementary School - Shorewood, WI
• St. Stanislaus Elementary School - Stevens Point, WI
• Tremper High School - Kenosha, WI
• United Visual - Chicago, IL
• University of Wisconsin Stevens Point - Stevens Point, WI
• UW-Milwaukee GEAR-Up Program -Milwaukee, WI
• Washington - Ozaukee Reading Council
• Wisconsin Dells School District - Wisconsin Dells, WI
• Wisconsin State Reading Association