PA Yellow Pages > Horsham
601 Dresher Road Suite 275
Horsham, PA (Pennsylvania) 19044-2277
(215) 442-9480 (Primary Phone)



Business Details
William Trefz (Owner)
Credit Rating: Very Good
Sales Volume: 1M - 2M
Employee Size Range: 10-19
Number of PC's: 10-29
Square Footage: 2500-9999
Fortune 500: No


Additional Categories
William J Trefz Consulting Engineers is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:
  • Engineers Consulting
North American Industry Classification System (NAICS) Categories:
  • Engineering Services > Engineers Consulting
Standard Industry Classification (SIC) Categories:
  • Engineering Services > Engineers Consulting


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