Jefferson Chamber of Commerce CSL Plasma Share: Blood Banks & Centers CSL Plasma Visit Website 2532 Williams Blvd. Kenner, LA 70062 (504) 704-1371 Cslplasma.com Hours: Monday - Friday (7am - 7pm)Saturday & Sunday (8am -4pm) About Map About SL Plasma operates one of the world’s largest and most sophisticated plasma collection networks, with more than 300 plasma collection centers in U.S., Europe and China and employs over 12,000 employee What's Nearby? Distance: 5 10 15 20 25 50 mi.