From the OHS PC Database, derived from A Guide to North American Organbuilders by David H. Fox (Organ Historical Society, 1991). -

Established in Grand Rapids, Michigan, 1994; relocated to Hendersonville, North Carolina, 1998.

Sources:

• American Organist Apr. 1994, 50.
• American Organist Apr. 1995, 66.
• Organ Handbook: 1995 (Richmond, Virginia, OHS, 1995), 46.
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From the OHS PC Database Builders Listing editor, November 2, 2015. -

Daniel Angerstein, formerly with Aeolian-Skinner of Boston, Massachusetts; M. P. Möller of Hagerstown, Maryland; and King of Instruments of Hagerstown, Maryland and Chicago Illinois, established Daniel L. Angerstein Organ Works in Grand Rapids, Michigan in 1994. He relocated the firm to Hendersonville, North Carolina in 1998.

From a biographical summary provided by Daniel Angerstein, attached to an e-mail received November 1, 2015:

Angerstein Organ Works, Ltd., Hendersonville, North Carolina
January 1998 - present [November 2015]
New instruments, rebuilding, voicing/tonal finishing, consultation.

Angerstein Organ Works, Grand Rapids, Michigan
November 1994 - January 1998
New instruments, rebuilding, voicing/tonal finishing, consultation.

King of Instruments, Inc., Hagerstown, Maryland
September 1992 - November 1994 - Vice-President/Tonal Director.

M. P. Möller, Inc., Hagerstown, Maryland
April 1989 - April 1992 - Tonal Director.
September 1987 - April 1989 - Associate Tonal Director

See main entry at Daniel L. (Dan) Angerstein