Construction projects

Littleton Middle School (2006, D'Agostino Associates of Newton, $1.47 million) -- 19 workers, of which six were bogus or questionable.

Littleton Middle School (2006, C-D-Bee Drywall of Nashua, N.H., cost unavailable) -- 10 workers, of which 2 were bogus or questionable.

Blackstone Water Tank (2005, M K Painting of Lincoln Park, Mich., $302,450) -- eight workers, of which six were bogus or questionable.

New Bedford Sea Lab Marine Science Education Center (2005, Lighthouse Masonry, cost unavailable) -- 27 workers, of which at least five were bogus or questionable.

Oliver Ames High School in North Easton (2005, D'Agostino Associates, cost unavailable) -- 38 workers, of which 13 were bogus or questionable.

King Phillip Regional High School in Wrentham (2005, Lighthouse Masonry, $3.8 million) -- 36 workers, of which three were bogus or questionable.

UMass-Dartmouth Dormitories (2004, Lighthouse Masonry, $9.8 million) -- 87 workers, of which 55 were bogus or questionable.

Middlesex Jail at Billerica (2004, Lighthouse Masonry, $1.7 million) -- 25 workers, of which four were bogus or questionable.

Dennis-Yarmouth Regional High School (2004, Lighthouse Masonry, $753,000*) -- 12 workers, of which six were bogus .

* Indicates base bid awarded on project

SOURCE: Payroll records; state and local officials