In a large ziploc bag combine raw shrimp, olive oil, McCormick Original Taco Seasoning, and lime juice. Seal bag and shake to distribute ingredients. Allow to marinate for 15 minutes.
Transfer shrimp to a large skillet and saute over medium-high heat for 5-8 minutes until shrimp is opaque.
Assemble salad with lettuce on the bottom topped with shrimp, corn, black beans, tomatoes, and cilantro. Add any extra topping desired such as avocado, tortilla strips, or salad dressing, and serve.