For 50 years, Wilson Ihrig has offered professional acoustics, noise, and vibration consulting services on light and heavy rail projects; from environmental impact through engineering design. These projects have been completed for 30+ transit systems around the globe. They currently have offices in California, New York and Washington.
ETA Transit Systems was founded in 2003 to take advantage of industry's growing interest in, and use of, Transit ITS communications solutions based upon open architecture. Many transit agencies use GPS-based information and vehicle management systems, and many of these systems have either a... Read More
LTK Engineering Services, a small firm with a big footprint, is employee-owned with a long and rich history in providing engineering and consulting services. LTK is headquartered in Ambler, PA with regional offices in Atlanta, Boston, Brooklyn, Chicago, Dallas, Denver, Lebanon NH, Los Angeles,... Read More
The Transit Bus Technical Advisors (TBTA) team specializes in assisting transit agencies, bus manufacturers, and fellow consultants with technical expertise regarding diesel, CNG, hybrid-electric, fuel-cell, and all-electric heavy-duty buses in an advisory role, including, program management,...