• March 18, 2016 marks the 50 Year Anniversary of the firm.
  • Sambatek unveils exterior sign at Minnetonka office.



  • MFRA expands its North Dakota presence with the addition of a new office in the Bismarck-Mandan area.
  • MFRA is retained as a prime consultant by MnDOT, NDDOT, and the Metropolitan Council.
  • The momentum of residential and commercial markets combined with MFRA’s entrepreneurial, creative designs, fuel its ascension to one of the top private land development firms in the Twin Cities.


  • MFRA enters the transportation/transit markets.
  • MFRA begins work related to Metropolitan Council and MnDOT projects as a sub-consultant.
  • MFRA enters North Dakota as a sub-consultant on NDDOT projects.


  • McCombs Frank Roos Associates, Inc. becomes known as MFRA, Inc. following the restructuring, led by Sirish Samba, from a private equity group ownership model to a firm that is owned and operated by key professionals.  
  • MFRA, Inc. receives DBE and MBE certifications.
  • West End, a prominent retail shopping center in St. Louis Park designed by  McCombs Frank Roos Associates, opens its doors to great fanfare and success during the downed economy.  It is a harbinger of the company's coming success and resurgence.


  • Jeff Roos retires.
  • Sirish Samba, PE was appointed as the company's new President & CEO.


  •  McCombs Frank Roos Associates, Inc. merges with Schoell and Madson, Inc.- a civil engineering, surveying, planning, and landscape architecture firm with its roots dating back to 1956.
  • "The Great Recession" takes its toll on several firms in the industry including McCombs Frank Roos Associates.


  • McCombs Frank Roos Associates, Inc. is acquired by a private equity group.


  • McCombs Frank Roos Associates, Inc. is acquired by a private investor owner.
  • Residential and commercial markets experience significant growth.


  • Current Sambatek Vice President, Erik Miller joins McCombs Frank Roos Associates as an Engineer-in-Training after his graduation from Michigan Technological University and a short stint as an intern at Scott County.


  • McCombs Frank Roos Associates is retained to help develop the Arbor Lakes project (downtown Maple Grove) with Opus Corporation.
  • McCombs Frank Roos Associates' design & construction management of the St. Michael Wastewater Treatment Facility earns the "Grand Award" from the Consulting Engineers Council.  The project also receives the "Seven Wonders of Minnesota" Award.


  • Current Sambatek President and CEO Sirish Samba joins McCombs Frank Roos Associates as an Engineer-in-Training upon receiving his Master’s Degree in Civil Engineering from South Dakota State University.
  • Significant municipal clients such as St. Michael, Isanti, North Oaks, Mound and St. Paul Park experience growth and development.
  • Company gains significant residential and commercial client base.


  • Greg Frank becomes President & CEO of McCombs Frank Roos and Associates, Inc.
  • Skip McCombs retires.


  • Mike Gair, Planner and Landscape Architect joins McCombs Frank Roos and Associates from Bather Ringrose Wolsfeld (BRW).


  • Skip McCombs and Dick Knutson build a campus and relocate McCombs Knutson’s corporate office.
  • McCombs Knutson Associates is recognized for their work on wastewater treatment plant projects for the City of Breezy Point (MN), City of Chatfield (MN), Village of Clear Lake (WI), Village of Turtle Lake (WI) and Gold’n Plump Poultry.
  • The Water Resources and Hazardous Waste Division forms with a specialized scientific staff that developed a prototype groundwater contamination plume modeling program.
  • Key employees Greg Frank, Jeff Roos, and Paul Johnson become partners of McCombs Knutson Associates in 1987. To recognize this transition, the company name was changed to McCombs Frank Roos and Associates, Inc.
  • Dickman Knutson retires in 1984.


  • Municipal and Private Development client bases expand.
  • Notable clients include Carlson Properties, Lundgren Brothers, AMPI, Pillsbury, Metropolitan Waste Control Commission and Alexandria area lakes region; along with the City of Mound, City of Litchfield and 30 other municipalities.
  • Chuck Wilson joins McCombs Knutson Associates and expands offices to Hutchinson, Marshall, and Granite Falls, MN


  • U.S Navy veteran Williams (Skip) McCombs, a professional civil engineer and Dickman Knutson, a professional land surveyor, start McCombs Knutson Associates in Plymouth, MN.