2008 Top 50 Trenchless Design Firms

Each year, Trenchless Technology surveys North American engineeringfirms involved in the trenchless field for its annual Top 50 TrenchlessDesign Firm showcase. Survey participants were asked to include theirfirm’s overall billings and trenchless billings for the previous year. TrenchlessTechnology also inquired about the number of trenchless professionals and the totalamount of projects the firm has completed in the past five years (2002 to 2007). Thenext page reveals the results of the survey, listed from one to 50, identifying keytrenchless engineering firms in the United States and Canada.

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