Contact Us

General Information:

For general information, billing questions, or other business related questions,
please contact Mark Johnston at (205) 620-4990 x10, or by email to

For engineering support, DER services, or any other engineering/certification related questions, feel free to contact any of our associates listed within the directory below.

You can usually reach us by dialing our main number, (205) 620-4990, during our normal business hours: Monday through Friday, 7am - 4pm CST. However, if the person that you are calling does not answer, dial "0" and usually someone will pick up, or you may feel free to leave us a message and we will return your call as soon as possible.

Employee Directory:

All of our associates can be reached by dialing the main number to the office: (205) 620-4990.
A directory of phone extensions and email addresses is provided below for your convenience.

Name Position Extension Email
Bill Cotney, Jr. FAA DER/President 15
Mark Johnston Business Manager 10
Chad Woodham Project Engineer 11
Tim Stacks Manager-Structures 12
Steve Charleson Manager-Interiors 13
James Stewart Project Engineer 14
Jason Murphy Project Engineer 17
Scott Craig Project Engineer 18
Andy Horisberger Project Engineer 19
Brad Halbrook Project Engineer 21
  Conference Room 16  

Shipping/Mailing Information:

For mail or packages delivered by the United States Postal Service (USPS), please use the following mailing address:

Cotney Aerospace, Inc.
P.O. Box 429
Helena, AL 35080

For all other deliveries (Fed-Ex, UPS, DHL, etc.), please use the following shipping address:

Cotney Aerospace, Inc.
6280 Helena Road
Helena, AL 35080

Directions to our Office:

From Birmingham, Take I-65S towards Montgomery. Exit Right at Exit 247 onto Valleydale Road / Hwy 261. After 1.1 miles, continue straight across at the intersection of Hwy 31 and Hwy 261. Continue on for 3.0 miles - the office building will be the second drive on the left past the USA Concrete plant.