GBA provides innovative engineering and architectural solutions to clients throughout the United States. Primary markets incl ... ude transportation, water, environment, buildings, site development and commissioning. GBA and its subsidiaries employ a staff of 300+ headquartered in Lenexa, Kansas, with regional offices in Missouri, Colorado, Nebraska, Iowa, Texas and Illinois. Members of GBA’s multi-disciplined staff work closely with clients to accomplish the firm’s core purpose – “creating remarkable solutions for a higher quality of life.” read more