• SINGH + Associates is proud to announce
    David Tapia, PE is now a Project Manager
    in our Milwaukee Office

David will lead the transportation department and will be active in all transportation related efforts in the Wisconsin Region.  David has 23 years of experience in urban and rural highway transportation design projects including agency and utility coordination, environmental documentation in conjunction with historical and archaeological coordination,  stakeholder/public involvement, hazardous materials investigation, pavement type selection report, design study report, right-of-way needs, air and noise analysis, and preparation of plans, specifications, and construction cost estimates.


He will maintain client relations and pursue new clients insuring that all work is exceeds quality expectations while staying on budget.  Mr. Tapia’s experience and industry knowledge will lead SINGH’s efforts to be a consultant of choice on any urban or rural design project.


Mr. Tapia earned his Bachelor of Science Civil Engineering from Marquette University.  Mr. Tapia is a licensed Professional Engineer in Wisconsin. 

  • SINGH + Associates is pleased to announce
    the addition of Mr. Walter Bartel, PE, PLS
    as our Oregon Business Development Leader

As the Oregon Business Development Leader, Mr. Walt Bartel is responsible for developing robust relationships with business and agency leaders, while guiding SINGH to project success. His leadership will introduce SINGH’s strong experience and ability in Transportation Engineering demonstrating that SINGH should be a partner of choice on any upcoming Transportation Project. 


Mr. Bartel brings more than 40 years of diverse transportation engineering experience for the public sector. His expert knowledge of the Oregon Department of Transportation operations and procedures was gained through his 30 years of service to ODOT. Prior to joining SINGH, Mr. Bartel spent a decade in  the private sector providing Project Management and engineering design services for infrastructure projects for a variety of state and local agency clients.  His expertise will be critical to achieving project milestones from planning to preliminary design to final construction documents on a variety of transportation projects.

  • ACEC - Illinois 2011 Engineering Excellence Award           Merit Award Winner - Chicago Riverwalk

Singh & Associates, Inc. was recognized as a member of the Collins Engineers, Inc. Project Team on the award-winning Chicago Riverwalk.  The Chicago Riverwalk project brought to life the vision of providing accessible and easy to use pedestrian right-of-way from Michigan Avenue to State Street.  The Project Team's design included the construction of "under-bridges" in front of the existing abutments at Michigan and Wabash.  SINGH provided electrical engineering and lighting design services for the pedestrian and architectural lighting, LED handrail lighting system integrated into existing stone stairways, relocation of shore power, and the design a unique lighting system for under-bridge canopy.

  • 2011 - WTS, Greater Chicago Recognizes Singh & Associates, Inc. as Employer of the Year

Sadhu Singh Rikhiraj, PE accepted the Employer of the Year award from the Greater Chicago Chapter of WTS.  The award recognizes the contributions that SINGH & Associates makes to the transportation industry through the continuing education, encouragement and support of diversity in the workplace.

SINGH is a certified, MBE/DBE firm that has been a trusted partner for the public sector since 1992.  SINGH is a strong believer in the mission to advance a diverse professional workforce in the transportation industry.  We strongly believe that our greatest resource is our employees and supports and encourages employees at all levels to pursue advanced licensing, accreditation and continuing education opportunities.

Mr. Singh accepted the award June 20th 2011 at the Annual Awards Luncheon held at the Hotel Allegro.  WTS Greater Chicago Chapter has been focused on promoting the development and advancement of women in one of the nation's largest transportation hubs for 25 years.

  • 2008 - American Council of Engineering Companies Honor Sadhu Singh Rikhiraj, PE

Sadhu Singh Rikhiraj, PE received the prestigious Community Service Award from the American Council of Engineering Companies -IL (ACEC). The award recognizes outstanding individuals from the Engineering community who have shown leadership in their communities.

Mr. Singh accepted the award June 12, 2008 at the annual conference and gala held in Springfield, IL. ACEC selects those individuals who have been active in improving the quality of life in their communities. The award acknowledges Mr. Singh Rikhiraj's community leadership demonstrated by his sustained commitment for more than six years to the Sikh Religious Society in Palatine Illinois and to giving generously to other worthy causes.

  • Fall of 2006 - SINGH is moving into an expanded office later this year

The new space will accommodate current staff and is part of SINGH's vision for future growth. An open house event will be held after the move is complete.

  • Announced 2005 & 2006 - Singh & Associates, Inc. is proud of their recent achievements as team members on award winning projects

The following projects won awards from ACEC-Illinois:

  • Special Achievement Award for 127th Street Over Iowa Interstate/Metra Railroad (2006)
  • Honor Award for the South Lake Shore Drive Rehabilitation (2005)
  • January 1, 2004. Singh & Associates, Inc. proudly unveils the new look for

The website was redesigned to reflect SINGH's growth and commitment to customer satisfaction. The site is easily navigated to find important information regarding the company and its vast experience in design engineering. SINGH has maintained a web presence since 2001; however the new more elegant site was designed to more accurately reflect SINGH's capabilities.

  • 2003 - Singh & Associates, Inc. was part of the team that received local recognition for the rehabilitation of historic Wacker Drive.

SINGH was a sub-consultant to TYLIN on this award-winning project. SINGH is also working on the second design phase of this historic rehabilitation of this two level thoroughfare that has a traffic volume of more than 60,000 cars and thousands of pedestrians every day. It was originally constructed in 1926 and is eligible to be named a national landmark. The lower portion of the roadway facilitates parking and major deliveries and refuse pick-up from 57 high-rise buildings. The upper level helps to ease congestion in the central business district by distributing traffic. The overall project goals include rebuilding and restoring the entire structure; easing the flow of traffic on adjacent streets; and improve access and safety on lower Wacker Drive. SINGH is providing design services for the new roadway lighting system, electrical, as well as traffic signal modernization for nine intersections. The project requires street lighting as well as underpass lighting. SINGH's team is coordinating with other consultants to insure that the design and project objectives are met on time and within budget. The improvements to this major artery in the heart of Chicago's Loop will improve safety and traffic flow. The design will be completed using a state of the art lighting design program.

  • 2002 - Singh & Associates, Inc. was proud to announce Thomas Mikolajewski P.E. joined the firm as Project Manager, Electrical. Mr. Mikolajewski brings more than 30 years of practical experience to SINGH.

He has engineered and managed electrical engineering projects involving outdoor and indoor lighting, fiber-optical cable systems and power transmission and distribution systems. During his career, he has directed project teams, designed complex systems and worked closely with clients. Currently he is managing lighting design projects including: 11th Street Bridge and Columbus Street underpass for CDOT; S. Lake Shore Drive for CDOT; Wacker Drive for CDOT; and I-94/Dan Ryan for IDOT. Mr. Mikolajewski received his B.S. in Electrical Engineering from Pennsylvania State University. He will use his engineering experience to lead SINGH's efforts to broaden and expand the electrical engineering department. He is licensed in Illinois, Iowa and Pennsylvania.

  • 2002 - SINGH & ASSOCIATES, INC. celebrated their 10-year anniversary on July 25, 2002.

The firm held an open house for clients and employees to mark 10 successful years of operation as a Consulting Engineering firm specializing in civil, structural, mechanical, electrical, environmental and construction administration. The open house also showcased SINGH's expanded offices in downtown Chicago, at 300 W. Adams Street. The company's President S. Singh Rikhiraj treated clients and employees to a fun filled evening and handed out various promotional items. Mr. Rikhiraj began the firm in 1992 with a vision for success and will continue to provide quality services to clients.

  • 2002 - Singh & Associates, Inc. was part of the team that received a Merit Award from the Consulting Engineers Council of Illinois for the Chicago/State Subway Rehabilitation.

The project's prime was Baker Engineering, Inc. SINGH was a sub-consultant on the team.