225 S. Main, Suite 200
O'Fallon, MO 63366
GBA provides innovative engineering and architectural solutions for high-profile projects. GBA and its subsidiaries, GBA Builders, LLC, gba Systems Integrators, LLC, and ViroCon, Inc. serve primary markets including transportation, water environment, building design, site development, commissioning, systems integration and construction management.
GBA and its subsidiaries employ a staff of 200 headquartered in Lenexa, Kansas, and 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.”
buildings (warehouse, corporate office, parking structures), transportation (highway and streets, bridges, traffic, construction administration, surveying), water environment (water/wastewater, stormwater, design and construction, environmental, GIS), site development (healthcare, commercial retail, industrial and office, municipal, residential)