From the OHS PC Database, derived from A Guide to North American Organbuilders, rev. ed. by David H. Fox (Organ Historical Society, 1997). -

Operated Ballard Pipe Organs of San Antonio, Texas, by 1986; active 1996.

Staff: G. Mark Caldwell; Peter W. Chappell.

Sources:

• American Institute of Organbuilders, Membership Roll: 1982.
• American Institute of Organbuilders, Membership Roll: 1986.
• American Institute of Organbuilders, Membership Roll: 1996.

From the OHS PC Database Builders Listing editor, Mar 15, 2016. -

John G. Ballard operated Ballard Pipe Organs of San Antonio, Texas from the 1980s; the firm was active until at least 2008, although it was reorganized under the name John G. Ballard & Associates, LLC in 2005.¹ The firm serviced and rebuilt electro-pneumatic instruments, and may have been associated with the Rodgers Instruments firm; the firm did the pipe work for the pipe/electronic combination instrument at St. Theresa Catholic Church in Austin, Texas in 2008.² The firm was no longer active in 2016.

Sources:

1. CorporationWiki, John G. Ballard, http://www.corporationwiki.com/Texas/San-Antonio/john-g-ballard-associates-llc/37181212.aspx, Accessed Jan. 11, 2016
2. Rodgers Instruments website, http://www.rodgersinstruments.com/installation/st-theresa-catholic-church-austin, Accessed Jan. 11, 2016.
3. CorporationWiki, John G. Ballard