I guarantee you that you can always find a new or different way to win new customers if you think / look hard enough.
There’s some great advice in the links below:
Why you aren’t getting new business referrals – from the Marketing Profs folks – people I admire from afar
B2B lead generation video – I interview Lindsay Willott, an ex-boss and the founder of The Marketing Practice
The art of getting a business referral from Flying Solo – colleagues in Australia
Understanding business development from one of my favourite authors, Seth Godin
The lead generation handbook – a pdf I read a couple of years ago which still holds true today
Here’s a suggestion, pick something new and try it today. What’s the worst that can happen?