The firm holds a certificate of authorization and a registered professional engineering license in each of the following states:

   - South Carolina

   - North Carolina

   - Georgia

...also W. G. Bartlett maintains an NCEES (National Council of Examiners for Engineering and Surveying) record which will allow the firm to easily and quickly be licensed in any additional state as a client project may require.

W. G. Bartlett also maintains membership in the following professional organizations:

- American Society of Mechanical Engineers

- American Society of Heating, Refrigeration and Air Conditioning Engineers

-International Code Council