Credit Cards:
Chase Ink Business Cards (75k points for $6k spend in 3 months)
Investing:
Personal Capital (outstanding FREE financial planning and wealth management website, receive $20 for signing up)
Robinhood (simple platform and no commission fees, receive free stock for signing up)
Military Specific:
Vet Tix (free event tickets for Active Duty and Veterans)
ExpertVoice (significant discounts on popular outdoors brands)