Chamber go Results Found: 9 Button group with nested dropdown St. John - Dyer Chamber of Commerce 9495 Keilman St. John IN 46373 (219) 365-4686 South Holland Business Assocaition P.O. Box 334 South Holland IL 60473 (708) 596-0065 Oak Forest - Crestwood Area Chamber 15440 Central Ave Oak Forest IL 60452 (708) 687-4600 Munster Chamber of Commerce 1005 Ridge Road Munster IN 46321 (219) 836-5549 Lynwood Chamber of Commerce 21460 - A Lincoln Highway Lynwood IL 60411 (708) 906-8965 Lakeshore Chamber of Commerce Lakeshore Chamber of Commerce 7120 Indianapolis Blvd Hammond IN 46324 (219) 931-1000 Highland / Griffith Chamber of Commer... Highland / Griffith Chamber of Commerce 8536 Kennedy Avenue Highland IN 46322 (219) 923-3666 Crossroads, Northwest Indiana's Chamber 440 W. 84th Dr. Merrillville IN 46410 (219) 769-8180 Chicago Southland Chamber of Commerce PO BOX 946 Frankfort IL 60423 (708) 957-6950