From Jim in Indiana:
JK’s Surprise Rub
Makes about 1/4 Cup of Rub

2 tsp. Salt
1 tsp. Paprika
4 tsp. Onion Powder
5 tsp. Garlic Powder
2 tsp. Oregano
5 T. Coarse Ground Pepper
1 tsp. Lemon Zest
1 1/2 tsp. Chili Powder

Combine all ingredients, rub
onto steak before grilling or
broiling.  Cook steak to
desired doneness.

From Patricia in California:
Family Favorite Rub (Slightly Spicy)
Makes enough rub for 4 to 6 steaks

1/4 C. Coarse/Kosher Salt
1/4 C. Dark Brown Sugar, packed
1/4 C. Paprika
3 T. Ground Pepper (from whole peppercorns)
1 T. Garlic Powder
1 T. Poppy Seeds
1 T. Dried Onion Flakes
1 tsp. Cayenne Pepper

Combine all ingredients in a jar or airtight plastic container with lid.
Stir well before using; coat both sides of your favorite steak and
grill or broil steaks to desired doneness. Leftover will keep well
for several weeks in refrigerator.

From Chris in Iowa
Rub Me All Over
Makes enough for 12 steaks

3 T. Sweet Paprika
1 T. Cayenne Pepper
1 T. Onion Powder
2 T. Garlic Powder
2 T. Sea Salt
2 T. Freshly Ground White Pepper
2 tsp. Dried Oregano
2 tsp. Dried Thyme
Combine all ingredients; store in an airtight container.  Rub generously on
your favorite steak 2 hours prior to grilling as desired.