hearing test RV

Need Annual Hearing Testing?

Enjoy a time and cost effective alternative to sending workers to an off-site facility for hearing testing. We will come to you! We offer both annual testing and retesting.


It has always been a great experience when working with you and your team. I wanted to make sure she got with a company that would be honest and good to her. Also someone that would be able to meet the needs for the plant.

Meisha K.Abbot Nutrition

We really appreciate your promptness and professionalism. It has been a pleasure to work with the Foster Instrument’s team.

Dan S.Samtec, New Albany IN

I love your company and appreciate all of the help and support that you give to us!!

Rhonda H.Kings Daughter Medical Center

I want to thank you and Foster Special Instruments for the services you have provided Carlisle Local Schools for over
30 years. It has been a pleasure doing business with you.

Vicki M.Carlisle Local Schools

I really enjoyed the training and feel like I gained a lot of knowledge! I think you are a great
resource for us and appreciate all of your time and help

Lindsey F.Cover-Tek

I want to personally thank you for fixing our machines and always being available.

Rachael P.Greater Tomorrow Health

I’m happy to recommend the services of Foster Onsite, a division of Foster Instruments. They do an excellent job, are always punctual, and offer the most competitive rates in town.

September C.Montgomery County Environmental Services

I’ve been doing business with Foster Instruments for years and it is a great company.

Pam T.Doctor’s Urgent Care

Need Certification?

We offer several training courses throughout the year for your convenience. Whether you need to get fully certified or get recertified, we have a course for you! We offer the following courses:

Register online now or call for more details regarding our classes.

Not sure what you need? Call us at for a free, no-pressure discussion of which products or supplies will solve your problem

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