GEI Consultants, Inc., one of the nation’s leading geotechnical, environmental, water resources, and ecological science and engineering firms has provided a broad range of consulting and engineering services on over 35,000 projects in 50 states and 22 countries. GEI is honored to maintain decades-long trusted advisor relationships with dozens of clients and partners nationwide. Narrow-scope projects with new clients often lead to an expanded relationship over time as we prove our technical qualifications and offer innovative solutions that improve bottom line results.