Transtec, Inc is a consulting firm specializing in design, analysis, and research in the transportation field, particularly pavements. They have developed the HIPERPAV software (from HIgh PERformance PAVing), a comprehensive concrete pavement design software that predicts the behavior of concrete pavements over the first 72 hours after placement.

CHEC Consultants, a civil engineering company, specialises in rehabilitation design, asphalt mix specifications for special purposes, pavement management consulting, and research for the pavement management industry.

ERES Consultants, Inc. specialises in the development and application of state-of-the-art pavement engineering principles for design, construction, maintenance, and rehabilitation. 

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