- Colonial Metals Co.
- 217 Linden St
- Columbia, Pennsylvania 17512-1179
- Phone: 717-684-2311
- Website: www.colonialmetalsco.com
- Number of Employees: 95
- Annual Receipts: $75,000,000
- Business Start Date: 1946
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- Columbia Catholic Housing For Elderly INC
- 400 Mill St Ofc
- Columbia, Pennsylvania 17512-0000
- Phone: 717-291-1911
- Number of Employees: 0
- Annual Receipts: $0
- Business Start Date: 1975
- More Detail:
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- ON Line Publishers Inc
- 3912 Abel Dr
- Columbia, Pennsylvania 17512-9031
- Phone: 717-285-8130
- Website: www.onlinepub.com
- Number of Employees: 15
- Annual Receipts: $1,800,000
- Business Start Date: 1995
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- River Valley Animal Health & Production LLC
- 541 Blue Ln
- Columbia, Pennsylvania 17512-9303
- Phone: 717-342-7019
- Number of Employees: 0
- Annual Receipts: $0
- Business Start Date: 2010
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