Sign up with your state's vocational rehab agency. They'll pay for speech therapy or a device, look through their database of job openings with employers who want to hire people with disabilities, and coach you with interviewing.
Talk to your employer about your speech. The Americans with Disabilities Act (ADA) prohibits employers from asking employees about disabilities. You have to start the conversation. Ask your employer to help you improve your speech. That could mean time off to go to speech therapy or help paying for an electronic device. If speech therapy [...]
Say that you stutter, show what you're doing to improve your speech, and then do it. Ask the interviewer to help you. If you need to slow your speech, ask the interviewer to raise a hand when you talk too fast. Ask the interviewer to slow their speech and you raise your hand when they [...]