What We Do

In summation, WM. J. Keller & Sons Construction Corp.’s principle areas of Constructionendeavor include the following:

  • Site Work
    Including Subdivision Development
  • Utilities
    Storm, Water, Sewer, Horizontal Directional Drilling and Horizontal Earth Boring/Jacking
  • Treatment Plants
    Water & Sewer, New Construction and Rehabilitation
  • NYSDOT
    Highway Pavement Structure, Bridges, Dams, Cofferdams, Sheet Piling,
    Bearing Piles (Concrete, Steel, Timber),  R/C Structures, Decks, Joints,
    Retaining Walls
  • Federal Projects
    Flood Control
  • County & Municipal
    Highway Pavement Structure, Bridges, Dams, Cofferdams, Sheet Piling,
    Bearing Piles (Concrete, Steel, Timber),  R/C Structures, Decks, Joints,
    Retaining Walls
  • Utility Companies
    Dam Rehabilitation, Bridge Construction, Masonry Rehab, Underground Power, Vaults, Site Work, Utilities (as above), Reinforced Sluiceways

WM. J. Keller has over 55 years of experience in large diameter, deep sewer work, as well as large diameter, deep water work, including stream, river, and lake crossings (i.e. underwater construction). In conjunction with this type of utility work, we have built numerous deep sewage lift and pump stations, and elevated water tank structures throughout New York State.

Liberty Mutual SuretyWM. J. Keller & Sons Construction Corp. has been a bonded company since its incorporation, and is presently bonded by Liberty Mutual.  Approximately 50 per cent of the company’s work is bonded, and involves work in the Federal, State, County, Local Municipalities, Educational Institutions, and the private industry.

The geographical areas served by our company are:

  • New York State:  Greene & Columbia Counties and North to the Canadian Border, and from Albany West to Rochester
  • Vermont
  • Massachusetts